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Spinel Stone Meaning, Value, Price, and Properties
Značenje, vrijednost, cijena i svojstva Spinel Stone kamena
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spinel gemstoneIf you’ve ever laid eyes on a spinel stone, you may well have wondered if, in fact, you were holding a ruby. Spinel gemstones are renowned for their ruby-like deep red coloring. When it comes to spinel vs ruby, distinguishing them outside of a lab is difficult even for skilled lapidaries and gemologists. 

If not a ruby, what is spinel stone? There is no disputing that spinel is a widely misunderstood gemstone, often living in the shadows of precious gems like sapphire and ruby. When the 19th century brought about a greater understanding of these minerals, spinel’s reputation suffered as long-thought rubies and sapphires were exposed as spinel varieties. 

However, this doesn’t redact from the fact that spinel gemstones are a class all their own and deserve a spotlight. 

In this comprehensive guide, we’re shining a light on spinel stones, their meanings and values, and the qualities that make them stand out against the crowd — even if they look like a spinel in ruby’s clothing.

About Spinel Stone

One of the reasons spinels were long thought to be sapphires and rubies was because they were incorrectly categorized as corundum, a mineral mined alongside spinels in abundance. 

Spinel minerals are isometric oxides composed of iron, zinc, magnesium, and trace elements like aluminum that give them their destined coloring. 

Like the many sapphire colors, spinels exude various colors, from light pink, lavender, and purple pastels to rich, vibrant reds, blues, oranges, and sometimes, black. Also similar to varieties of beryl (aquamarine, morganite, emerald) as well as corundum (ruby, sapphire), and topaz, pure spinel is naturally allochromatic (colorless), only gaining these beautiful colors once exposed to other elements and impurities such as chromium, cobalt, and iron. What makes spinel continue to rise in popularity is its naturally saturated coloration. 

See, most sapphires and rubies today undergo enhancements to make their naturally dull colors appear more vivid and striking. Spinel, on the other hand, requires no such treatments to illuminate its gorgeous colors. 

Spinels are also widely available and sourced from mines around the globe, giving them market accessibility and affordable price points. 

pink spinel

If spinel gemstones haven’t caught your eye yet, it’s time to do a double-take. Spinel isn’t one mineral but a cluster of minerals, including gahnite, hercynite, picotite, galaxite, gahnospinel, ceylonite, and pleonaste. 

It might interest you to know that the spinel birthstone belongs to August, along with peridot. In astrology, the spinel gemstone is the zodiac stone falling under the signs of Aries, Scorpio, Taurus, and Sagittarius.

Spinel has many uses and benefits and is a popular jewelry gemstone thanks to its dependable ranking of 7.5-8 on the Mohs Hardness Scale.

Are you sold on spinel yet? We sure are! With a vivid color portfolio, high durability, and overall versatility, it seems there is a spinel variety for everyone.

Spinel Varieties

Below, we’ve outlined a quick list of the different types of spinel and their associated colors:

  • Spinel: Pure variety except for green and yellow spinel.

  • Picotite: A mixture of magnesium and chromium, seen in dark green to black spinel stone and brown spinel.

  • Galaxite: Manganese-rich variety in dark red spinel to black spinel.

  • Gahnite: Zinc variety in rich, dark green.

  • Ceylonite and Pleonaste: Intensely dark spinel varieties containing magnesium and iron traces

  • Hercynite: An iron variety in dark colors like black spinel, also called chromohercynite

  • Gahnospinel: A solid-state blended species combining spinel and gahnite to produce blue and dark blue varieties

  • Pleonast: Opaque spinels in colors like dark blue, green, and black.

  • Ruby Spinel: a translucent red gemstone (spinel)

  • Alexandrite Spinel: Grayish blue in daylight and violet in incandescent light

 Next, let’s zoom in on the chemical composition and geological specs of spinel stones.

spinel rough

Spinel Specifications and Characteristics

You might wonder: is spinel a precious gemstone? That’s a great question! Spinel doesn’t fall into the traditional category of precious gems, including diamonds, emeralds, sapphires, and rubies. That said, it’s an undervalued jewel next to these prestigious gemstones, and not rightfully so, considering its relative hardness, durability, clarity, and beauty. Although unique, spinels share many characteristics of corundum varieties, but they are not the same.

  • Chemical Formula: MgAl2O4

  • Color: Red, blue, black, gray, lilac, green, purple, brown, orange, orangish-red, colorless, and pink.

  • Crystal Structure: Isometric with octahedral crystals

  • Luster: Vitreous

  • Transparency: Mostly transparent but can be opaque

  • Refractive Index: 1.719 to 1.920, depending on the variety

  • Fracture: conchoidal

  • Durability: high

  • Dispersion: 0.020

  • Cleavage: None

  • Treatments: Naturally untreated, but can be heat treated

  • Inclusions: Rare, but sometimes silk, spangles, feathers, or swirls.

We will expand on some of these spinel features ahead. But first, let’s talk about spinel’s etymology and background.

Spinel Stone Meaning

Spinel meaning may come from the Latin term, spina, which translates to “thorn.” The theory is that the stone’s spine-shaped crystals are reminiscent of a thorn found in nature. However, if you look closer at spinel’s composition, it’s unlikely to find spine-shaped crystals. Therefore, the name itself is more of a legend than fact.

It’s not outside of the realm of possibility, considering the stone’s ancient origins, and that primitive analysis of gemstones was speculative rather than scientific. 

Sadly, spinel has long been called “the great imposter” once discovered that plenty of famous rubies were actually spinels. But thankfully, spinel is finally being taken seriously as a fine jewelry gemstone thanks to its high luster, hardness, and brilliance.

What does spinel symbolize today? Spinel has many holistic benefits, including metaphysical healing properties, which we’ll unfold in greater detail next.

deep blue spinel star cabochon

Spinel Spiritual and Healing Properties

What healing properties does spinel have? Like other red gemstones, spinel’s fiery red coloring embodies passion as well as longevity. Spinel stone meaning is the embodiment of hope, joy, and vitality, and it has strong associations to the chakras (energy centers in the body).

Most closely, red spinel connects to the Root Chakra, the center of grounding and stamina. Mentally, spinel stone benefits the mind by instilling it with intellectual capabilities. Spinel also balances emotions, bestowing people with the power to self-soothe and heal from personal traumas. If you’re susceptible to bad influences, the spinel stone acts as a protective barrier against negative influences and energies. Spinel has high energy capabilities, making it an ideal conduit for healing the body, mind, and spirit. Physically, spinel properties can soothe inflammation, particularly of the nerves, with its vibrational calming frequencies.

What is spinel used for outside of crystal healing? There are myriad spinel stone benefits, but most popularly, spinel continues to rise in popularity as a gemstone used for fine jewelry. 

Because of this, it’s wise to acquaint yourself with the properties you’ll come across when buying spinel.

Spinel Gemstone Properties

All gem-quality gemstones are evaluated by the 4C’s: cut, color, clarity, and carat weight. And while these factors are important, if you plan to buy spinel gemstones, you’ll want to understand the treatments and be wary of ever-abundant synthetics.

Cut

Thanks to their strong durability and hardness, spinel gemstones come in all shapes and sizes. With such high clarity and refractive index, the most popular cuts include round brilliant, emerald, cushion, and oval. Interestingly, spinels naturally have octahedral (eight-sided) crystals, and gem cutters will commonly cut the stones into octahedrons, which look like an eight-sided diamond shape, to best display the crystals.

Color

We’ve already talked a lot about spinel colors and varieties, but now we’ll share the spectral color qualities used for identification purposes.

  • Pink and red spinel: These gemstones contain chromium (the same mineral that makes rubies red). These red and pink varieties have a broad color band and easily absorb violet.

  • Blue spinel: Instead of chromium, trace iron elements make these spinels blue. The same goes for light blue and mauve varieties, which have a similar, but weaker, color spectrum.

  • Black spinel: Magnesium aluminum oxide turns this opaque stone into an inky black. 

Beyond these three popular color categories, various elements interplay with spinel minerals to procure a vast array of hues.

spinel ring with diamonds

Clarity

Spinel has a high refractive index, meaning the light passes and leaves the stone brilliantly, making for a striking, sparkly stone when cut and polished. 

Spinel indeed encounters impurities, which in other gems can diminish the stone’s clarity. Spinel, however, only becomes more beautiful when interacting with elements. It’s the stone’s impurities that color it into a red, blue, orange, or even black variety.

As far as inclusions go, most spinel is virtually eye-clean and free of all inclusions.

Carat Weight

While spinel stones are abundant in nature, you won’t come across them as frequently in the gem trade. Unfortunately, this is a result of their imposter-like qualities that associate them with rubies. That said, most gem-quality fine spinels are cut non-standard in weight. Doing this saves carat weight.

Most fine-quality spinels are mixed-cut in oval shapes to standard sizes like 6x4 and 7x5 mm. These sizes lend themselves best to center stones used in fine jewelry rings. That said, the larger the carat weight, the higher the price-per-carat. The most prestigious spinels weigh five carats in colors like red, blue, and pink. Spinels can even weigh hundreds of carats, as seen in famous gemstones displayed in museums and royal jewelry archives.

Enhancements

Thanks to the elements that beautifully color spinel stones, they rarely receive treatments, and if so, heat treatments are common.

Synthetic Spinels

Synthetic spinels are created using the flame fusion process, which has been used since the late 1800s. The process was initially designed to craft synthetic sapphire. Because naturally colorless spinels are elusive, if you come across one, it is likely a synthetic. Making things tricky are flame fusion or flux grown synthetics, which look nearly indistinguishable from cobalt blue spinels. You can tell them apart if a chalky white/green fluorescence appears. Synthetics also display birefringent “snakelike” or “crosshatched” patterns under cross-polarized light.

However, if you’re not a gemologist, it may be tricky to tell if a spinel is real, which is why it’s vital to purchase your gemstones from reputable, verified dealers.

black spinel buddha carving

Spinel History

We’ve talked a lot about the various confusions and misconceptions encircling the spinel gemstone. The truth is, spinels lived in the shadows of rubies for centuries. How did they finally emerge as a unique entity? It wasn’t until 1783 when French mineralogist Jean Baptiste Louis Rome de Lisle finally discovered the identifiable differences between rubies and spinels. With this revelation, a crescendo of events ensued in the gem world. Taking a more complex look at all of the famous red rubies, a collection of prestigious and even royal “rubies” were discovered actually to be spinels! 

Despite this breakthrough, spinels had been around for centuries, known as “Balas ruby” in Northern India.

A notable example includes the famous Timur Ruby, a whopping 352.5-carat center stone that’s now identified as a spinel.

When Friedrich Mohs published the hardness scale in 1812, poor spinel was downgraded to a 7.5-8 ranking. Because rubies rank at 9, the hardest next to diamonds, spinel was instantly categorized as an imposter jewel less worthy of adoration. 

Because royal crown jewels had been exposed as spinels, the gem’s reputation suffered and became relegated to B-status. But despite spinel’s marred past, it is finally coming into its own and pulling up a seat at the esteemed gemstone table.

The flashy 80s saw a comeback in bright, colorful jewels, and spinel briefly surged into the spotlight. Today, spinel’s are no longer thought of as imposter jewels but well-regarded for their intrinsic value and beauty, and jewelry designers are reaching for them over rubies and sapphires more and more.

Spinel Stone Origins and Sources

Spinels first came from mines in Asia and the Middle East, including Sri Lanka, Myanmar, and Afghanistan. Recently, deposits have been discovered worldwide in localities such as Russia, Australia, Vietnam, and Africa.

Miners don’t excavate spinel specimens from host rock deposits, though. Instead, they find them in gem gravels that have been washed downstream from alluvial deposits that eroded from the host rock. 

Because of this, miners can find them with relatively simple methods, including sluicing the stream gravel with baskets. 

cobalt blue color-changing spinel

Spinel Care and Maintenance

By now, you know that spinel is a hard, durable gemstone, right? That means that spinel care is effortless! The gems are hard, meaning they won’t easily tarnish, crack, or scratch. However, daily wear means that buildup of skin oils and grime can dull the luster. That’s why it’s wise to wash your stones with warm water and a mild detergent every so often. Use a soft-bristled brush and gently scrub away the residue. 

Spinel Prices and Value

Are spinels valuable? Yes, and no. It ultimately depends on what type of spinel you’re talking about. For instance, pure, colorless spinel is one of the rarest kinds, scarcely found, making it a hot commodity. That’s because spinel is hardly found without having encountered elements and impurities that saturate it with color.

Spinel stone prices largely depend on the variety, color, and quality of the stone. Fine blue spinels range from $78 to $1,250 per carat, while fine red spinels jump up to $200 to $2,000 per carat. Fine purple spinels average $350 per carat, while other colors range from $11 to $100 per carat. Star spinels average about $200 per carat.

Are You Smitten with Spinel?

There’s no disputing it: spinels are gorgeous gemstones that deserve to shine for their inherent qualities, including luster, brilliance, hardness, and versatility. Spinel is no imposter gem; it’s a striking jewel that’s catching well-deserved attention from jewelry designers and consumers alike. If you’re looking for a high-quality gemstone that’s beautifully saturated and durable, look no further than spinel.

Shop Spinel Stones from Gem Rock Auctions Today!

spinel dragi kamen Ako ste ikada bacili oko na kamen od spinela, možda ste se zapitali jeste li u stvari držali rubin. Dragulji od spinela poznati su po tamnocrvenoj boji poput rubina. Kad je riječ o spinelu protiv rubina, razlikovati ih izvan laboratorija teško je čak i za vješte lapidarije i gemologe.

Ako nije rubin, što je spinel kamen? Nema spora da je spinel široko pogrešno shvaćen dragi kamen, koji često živi u sjeni dragocjenih dragulja poput safira i rubina . Kad je 19. stoljeće donijelo bolje razumijevanje ovih minerala, ugled spinela je patio jer su dugomišljeni rubini i safiri bili izloženi kao sorte spinela.

Međutim, to ne redigira činjenicu da su dragulji od dragulja klasa za sebe i zaslužuju pozornost.

U ovom opsežnom vodiču osvjetljavamo kamenje spinela, njegovo značenje i vrijednosti te kvalitete po kojima se ističu u odnosu na gomilu - čak i ako izgledaju poput spinela u rubin odjeći.

O Spinel Stoneu

Jedan od razloga zašto se dugo smatralo da su spineli safiri i rubini bio je i zato što su pogrešno kategorizirani kao korund, mineral koji se u velikoj mjeri vadi uz spinele.

Spinel minerali su izometrijski oksidi sastavljeni od željeza, cinka, magnezija i elemenata u tragovima poput aluminija koji im daju predodređenu boju.

Poput mnogih boja safira , spineli odišu raznim bojama, od svijetloružičastih, lavandinih i ljubičastih pastela do bogatih, jarkih crvenih, plavih, narančastih, a ponekad i crnih boja. Slično kao i sorte beril (akvamarin , morganit , smaragd), kao i korund (rubin, safir) i topaz, čisti spinel je prirodno alohromatski (bezbojan), koji dobiva ove lijepe boje tek kad je izložen drugim elementima i nečistoćama poput kroma , kobalt i željezo. Ono zbog čega spinel nastavlja rasti u popularnosti je njegova prirodno zasićena boja.

Vidite, većina safira i rubina danas podliježe poboljšanjima kako bi njihove prirodno dosadne boje izgledale življe i upečatljivije. Spinel, s druge strane, ne zahtijeva takve tretmane kako bi osvijetlio njegove prekrasne boje.

Spinels su također široko dostupni i dolaze iz rudnika širom svijeta, što im daje pristupačnost tržištu i pristupačne cijene.

ružičasti spinel

Ako vam dragulji od spinela još nisu zapeli za oko, vrijeme je da napravite dvostruko snimanje. Spinel nije jedan mineral, već skupina minerala, uključujući gahnite, hercinite, pikotite, galaksite, gahnospinel, cejlonit i pleonaste.

Možda bi vas moglo zanimati da rođeni kamen spinela pripada kolovozu, zajedno s peridotom. U astrologiji dragulj spinel je kamen zodijaka koji potpada pod znakove Ovna, Škorpiona, Bika i Strijelca.

Spinel ima mnogo upotreba i prednosti i popularan je dragulj zahvaljujući svom pouzdanom rangu 7,5-8 na Mohsovoj ljestvici tvrdoće.

Jeste li već prodani na spinelu? Sigurno jesmo! Uz portfelj živopisnih boja, visoku trajnost i sveukupnu svestranost, čini se da postoji raznolikost spinela za svakoga.

Sorte kičme

U nastavku smo opisali brzi popis različitih vrsta spinela i povezanih boja:

  • Spinel: Čista sorta osim zelenog i žutog spinela.

  • Picotite: Mješavina magnezija i kroma, viđena u tamnozelenom do crnom spinelnom kamenu i smeđem spinelu.

  • Galaksit: Sorta bogata manganom u tamnocrvenoj i crnoj spineli.

  • Gahnite: Sorta cinka u bogatoj, tamnozelenoj boji.

  • Cejlonit i pleonaste: Intenzivno tamne sorte spinela koje sadrže tragove magnezija i željeza

  • Hercynite: Željezna sorta u tamnim bojama poput crnog spinela, koja se naziva i kromohercit

  • Gahnospinel: Čvrsta mješavina vrsta koja kombinira spinel i gahnite za proizvodnju plavih i tamnoplavih sorti

  • Pleonast: neprozirni spineli u bojama poput tamnoplave, zelene i crne.

  • Ruby spinel: prozirni crveni dragi kamen (spinel)

  • Aleksandrit spinel: Sivoplava na dnevnom svjetlu i ljubičasta na užarenoj svjetlosti

Zatim, zumirajmo kemijski sastav i geološke specifikacije spinelnog kamenja.

spinel hrapav

Specifikacije i karakteristike Spinela

Možda se pitate: je li spinel dragocjen dragi kamen? To je sjajno pitanje! Spinel ne spada u tradicionalnu kategoriju dragocjenih dragulja, uključujući dijamante , smaragde, safire i rubine. Ipak, to je podcijenjeni dragulj pored ovih prestižnih dragulja, i to ne s pravom, s obzirom na njegovu relativnu tvrdoću, izdržljivost, bistrinu i ljepotu. Iako su jedinstveni, spineli dijele mnoge karakteristike sorti korunda, ali nisu iste.

  • Kemijska formula: MgAl2O4

  • Boja: Crvena, plava, crna, siva, lila, zelena, ljubičasta, smeđa, narančasta, narančasto-crvena, bezbojna i ružičasta.

  • Kristalna struktura: Izometrijska s oktaedralnim kristalima

  • Luster: staklasto

  • Transparentnost: Uglavnom prozirna, ali može biti i neprozirna

  • Indeks loma: 1,719 do 1,920, ovisno o sorti

  • Prijelom: konkoidan

  • Trajnost: visoka

  • Disperzija: 0,020

  • Rascjep: Nema

  • Tretmani: Prirodno neobrađeni, ali se mogu termički obraditi

  • Uključuje: Rijetko, ali ponekad svila, šljokice, perje ili vrtlozi.

Pred nama će se proširiti neke od ovih značajki spinela. No, prvo, razgovarajmo o spinelovoj etimologiji i pozadini.

Značenje Spinel Stone -a

Značenje spinela može potjecati od latinskog izraza spina , što u prijevodu znači "trn". Teorija je da kameni kristali u obliku kralježnice podsjećaju na trn koji se nalazi u prirodi. No, ako bolje pogledate sastav spinela, malo je vjerojatno da ćete pronaći kristale u obliku kralježnice. Stoga je samo ime više legenda nego činjenica.

S obzirom na staro podrijetlo kamena, to nije izvan područja mogućnosti i ta primitivna analiza dragog kamenja bila je više spekulativna nego znanstvena.

Nažalost, spinel se dugo nazivao "velikim varalicom", jednom je otkrio da su mnogi poznati rubini zapravo bili spineli. No, na sreću, spinel se napokon ozbiljno shvaća kao dragulj od dragog nakita zahvaljujući visokom sjaju, tvrdoći i sjaju.

Što danas simbolizira spinel? Spinel ima mnoge holističke prednosti, uključujući metafizička ljekovita svojstva, koja ćemo dalje detaljnije otkriti.

tamnoplava spinel zvijezda kabošon

Spinel duhovna i ljekovita svojstva

Koja ljekovita svojstva ima spinel? Spinelova vatrenocrvena boja utjelovljuje strast, ali i dugovječnost. Značenje kamena spinele utjelovljenje je nade, radosti i vitalnosti i ima jake asocijacije na čakre (energetske centre u tijelu).

Najbliže, crveni spinel povezuje se s korijenskom čakrom, središtem uzemljenja i izdržljivosti. Mentalno, spinel kamen koristi umu tako što mu ulijeva intelektualne sposobnosti. Spinel također uravnotežuje emocije, darujući ljudima moć da se smire i izliječe od osobnih trauma. Ako ste podložni lošim utjecajima, kamen spinel djeluje kao zaštitna barijera od negativnih utjecaja i energije. Spinel ima visoke energetske sposobnosti, što ga čini idealnim kanalom za ozdravljenje tijela, uma i duha. Fizički, svojstva spinela mogu ublažiti upalu, osobito živaca, svojim frekvencijama smirivanja vibracija.

Za što se koristi spinel izvan zacjeljivanja kristala? Postoje brojne prednosti spinelnog kamena, ali najpopularnije, spinel nastavlja rasti u popularnosti kao dragi kamen koji se koristi za fini nakit.

Zbog toga je pametno upoznati se sa svojstvima na koja ćete naići pri kupnji spinela.

Svojstva dragulja Spinel

4C ocjenjuju sve drago kamenje dragog kamenja: rez, boju, jasnoću i težinu karata. Iako su ti čimbenici važni, ako namjeravate kupiti drago kamenje od spinela, poželjet ćete razumjeti tretmane i biti oprezni zbog sve veće količine sintetike.

Izrezati

Zahvaljujući snažnoj izdržljivosti i tvrdoći, dragulji od spinela dolaze u svim oblicima i veličinama. S tako visokom jasnoćom i indeksom loma, najpopularniji krojevi uključuju okrugle sjajne, smaragdne, jastučiće i ovalne. Zanimljivo je da spineli prirodno imaju osmougaone (osmostrane) kristale, a rezači dragulja obično će rezati kamenje u oktaedre, koji izgledaju poput osmostranog dijamanta, kako bi se kristali najbolje prikazali.

Boja

Već smo puno govorili o bojama i sortama spinela, ali sada ćemo podijeliti spektralne kvalitete boja koje se koriste u svrhu identifikacije.

  • Ružičasti i crveni spinel: Ovi dragi kamenčići sadrže krom (isti mineral koji rubine čini crvenim). Ove crvene i ružičaste sorte imaju široku traku boja i lako upijaju ljubičastu.

  • Plavi spinel: Umjesto kroma, elementi željeza u tragovima koji čine ove špinele plavima. Isto vrijedi i za svijetloplave i ljubičaste sorte koje imaju sličan, ali slabiji spektar boja.

  • Crni spinel: Magnezijev aluminijev oksid pretvara ovaj neprozirni kamen u crnu boju.

Osim ove tri popularne kategorije boja, različiti elementi međusobno se međusobno povezuju s mineralima spinela kako bi dobili široku paletu nijansi.

spinel prsten s dijamantima

Jasnoća

Spinel ima visok indeks loma, što znači da svjetlost prolazi i brilijantno napušta kamen, što rezultira sjajnim, svjetlucavim kamenom pri rezanju i poliranju.

Spinel doista nailazi na nečistoće, koje u drugim draguljima mogu umanjiti bistrinu kamena. Spinel, međutim, postaje ljepši samo u interakciji s elementima. Nečistoće kamena boje ga u crvenu, plavu, narančastu ili čak crnu raznolikost.

Što se tiče inkluzija, većina spinela je gotovo očišćena i bez svih uključaka.

Težina karata

Iako je kamenje spinel u prirodi bogato, nećete ga tako često sretati u trgovini draguljima. Nažalost, to je rezultat njihovih osobina sličnih varalicama koje ih povezuju s rubinima. S tim u vezi, većina finih spinela kvalitetnih dragulja reže se nestandardne težine. Time se štedi težina karata.

Većina kvalitetnih špinela mješovito je izrezana u ovalne oblike do standardnih veličina poput 6x4 i 7x5 mm. Ove veličine najbolje se centriraju kamenjem koje se koristi u finim prstenovima za nakit. Međutim, što je veća težina karata, veća je cijena po karatu. Najprestižniji spineli imaju pet karata u bojama poput crvene, plave i ružičaste. Spinele mogu čak težiti stotine karata, što se vidi u poznatim draguljima izloženim u muzejima i arhivima kraljevskog nakita.

Poboljšanja

Zahvaljujući elementima koji lijepo obojavaju kamenje spinela, rijetko dobivaju tretmane, a ako jesu, uobičajeni su toplinski tretmani.

Sintetičke spinele

Sintetički spineli nastaju postupkom plamene fuzije, koji se koristi od kasnih 1800 -ih. Postupak je u početku bio osmišljen za izradu sintetičkog safira. Budući da su prirodno bezbojni spineli nedostižni, ako naiđete na njih, vjerojatno je riječ o sintetičkoj. Zapetljavanje čini sintetika uzgojena plamenom fuzijom ili fluksom, koja se izgleda gotovo ne razlikuje od kobaltno plavih spinela. Možete ih razlikovati ako se pojavi kredasto bijela/zelena fluorescencija. Sintetika također prikazuje dvolomne "zmijolike" ili "ukrštene" uzorke pod unakrsnom polariziranom svjetlošću.

Međutim, ako niste gemolog, možda će biti teško odrediti je li spinel stvaran, zbog čega je važno kupiti drago kamenje od provjerenih, provjerenih prodavača.

crni spinel buda rezbarenje

Povijest Spinela

Puno smo pričali o raznim zabludama i zabludama koje okružuju dragi kamen spinel. Istina je, spineli su stoljećima živjeli u sjeni rubina. Kako su se konačno pojavili kao jedinstvena cjelina? Tek 1783. godine francuski mineralog Jean Baptiste Louis Rome de Lisle konačno je otkrio prepoznatljive razlike između rubina i spinela. Ovim je otkrićem nastao krešendo događaja u svijetu dragulja. Kad smo složenije pogledali sve poznate crvene rubine, otkriveno je da su zbirke prestižnih, pa čak i kraljevskih "rubina" zapravo spineli!

Unatoč ovom proboju, spineli su postojali stoljećima, u sjevernoj Indiji poznati kao "Balas rubin".

Značajan primjer uključuje poznati Timur Ruby, ogromni središnji kamen od 352,5 karata koji je sada identificiran kao spinel.

Kad je Friedrich Mohs 1812. objavio ljestvicu tvrdoće, loš je spinel smanjen na 7,5-8. Budući da se rubini nalaze na 9 mjestu, najtvrđih pored dijamanata, spinel je odmah kategoriziran kao dragulj varalica manje vrijedan obožavanja.

Budući da su dragulji kraljevske krune bili izloženi kao spineli, ugled dragulja je patio i postao je B-statusa. No, unatoč pokvarenoj prošlosti spinela, napokon dolazi na svoje i povlači mjesto za cijenjenim stolom od dragog kamenja.

Blještave 80 -te vratile su se u svijetle, šarene dragulje, a spinel je nakratko izbio u središte pozornosti. Danas se o spinelima više ne misli kao o draguljima od laži, već su cijenjeni zbog svoje unutarnje vrijednosti i ljepote, a dizajneri nakita sve više posežu za njima preko rubina i safira.

Podrijetlo i izvori kamena Spinel

Spineles su prvi put došli iz rudnika u Aziji i na Bliskom istoku, uključujući Šri Lanku, Mjanmar i Afganistan. Nedavno su u svijetu otkrivena ležišta na lokalitetima kao što su Rusija, Australija, Vijetnam i Afrika.

Međutim, rudari ne iskopavaju uzorke spinela iz naslaga stijena domaćina. Umjesto toga, pronalaze ih u dragim šljuncima koji su isprani nizvodno od aluvijalnih naslaga koje su nagrizle stijenu domaćina.

Zbog toga ih rudari mogu pronaći relativno jednostavnim metodama, uključujući nasipanje šljunka potoka košarama.

spinel kobaltno plave boje koji mijenja boju

Njega i održavanje Spinela

Do sada znate da je spinel tvrdi, izdržljivi dragi kamen, zar ne? To znači da je skrb za spinel bez napora! Dragulji su tvrdi, što znači da se neće lako okaljati, ispucati ili ogrebati. Međutim, svakodnevno nošenje znači da nakupljanje kožnih ulja i prljavštine može umanjiti sjaj. Zato je pametno svako vrijeme prati kamenje toplom vodom i blagim deterdžentom. Upotrijebite četku s mekim čekinjama i nježno očistite ostatke.

Cijene i vrijednost Spinela

Jesu li spineli vrijedni? Da i ne. To u konačnici ovisi o kojoj vrsti spinela govorite. Na primjer, čisti, bezbojni spinel jedna je od najrjeđih vrsta, rijetko se nalazi, što ga čini vrućom robom. To je zato što se spinel teško može pronaći a da nije naišao na elemente i nečistoće koji ga zasićuju bojom.

Cijene spinel kamena uvelike ovise o sorti, boji i kvaliteti kamena. Fino plavi spineli kreću se od 78 do 1.250 dolara po karatu, dok fini crveni špineli skaču do 200 do 2.000 dolara po karatu. Fino ljubičasti špineli u prosjeku iznose 350 dolara po karatu, dok se ostale boje kreću od 11 do 100 dolara po karatu. Zvjezdasti spineli u prosjeku iznose oko 200 dolara po karatu.

Jeste li očarani Spinelom?

Nema spora: spineli su prekrasni dragi kamen koji zaslužuje sjaj zbog svojih svojstava, uključujući sjaj, sjaj, tvrdoću i svestranost. Spinel nije dragulj varalica; upečatljiv je dragulj koji plijeni zasluženu pozornost dizajnera nakita i potrošača. Ako tražite visokokvalitetni dragi kamen koji je lijepo zasićen i izdržljiv, ne tražite dalje od spinela.

Kupujte Spinel kamenje na aukcijama Gem Rock danas!

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