Feldspar Ahorow: Nneɛma Ahorow, Nneɛma & Ne Bo a Wɔahyehyɛ

Feldspars ka aboɔden abo a abu so wɔ Asase so no ho, na emu pii yɛ ahwehwɛ a ɛyɛ fɛ. Sɛ woate aboɔden abo te sɛ labradorite, orthoclase, amazonite, anaa ɔsram abo ho asɛm pɛn a, wunim feldspar aboɔden abo ahorow bi dedaw .

Sɛ saa nneɛma no mu bi maa wo ho dwiriw wo a, twɛn kɛkɛ. Wɔ saa akwankyerɛ yi mu no, yɛaboaboa yɛn nimdeɛ ano afiri mfeɛ du du a yɛde ayɛ aboɔden aboɔ adwumayɛ mu de feldspar ahodoɔ no din a ɛdi mũ a mfonini, wɔn agyapadeɛ, ne boɔ, mfasoɔ, ne nea ɛkeka ho bɛbrɛ wo.

Mfonini a ɛwɔ atifi hɔ no: Spectrolite cabochon (labradorite feldspar no su ketewaa bi)

Feldspar ho asɛm

Nea edi kan no, dɛn ne feldspar? “Feldspar” yɛ asɛmfua a wɔde frɛ aboɔden abo kuw bi a ɛwɔ Asase nyinaa so — nokwarem no, ɛyɛ Asase ani bɛyɛ 60%. Wɔde saa aboɔden abo yi bi yɛ aboɔden abo a ɛsom bo fã bi .

Feldspar ahorow ahorow ho hia ma abotan ho animdefo ne asase ho animdefo, efisɛ wɔka abotan a wɔhyehyɛɛ no ​​ho nsɛm pii Feldspar nso ho hia ma nnwuma ahorow. Feldspar a wɔde di dwuma titiriw ne sɛ wɔyɛ dɔte, ahwehwɛ, abrasives, ne fillers a wɔde yɛ nneɛma te sɛ plastic anaa paint. Saa dwumadie yi mu pii nso betumi de feldspar a wɔayɛ no ayɛ adwuma mmom sen sɛ wɔde abɔdeɛ mu feldspar bedi dwuma.

Sɛ w’ani gye nkae aboɔden abo ho a, ebia wunim sɛ feldspar aboɔden abo ɔsram abo no yɛ June awobo , Kokoram nsoromma mu hwɛ bo, ne ayeforohyia afe a ɛto so abiɛsa aboɔden abo. Feldspar ahorow labradorite nso yɛ November awobo foforo .

Sɛ yɛsan kɔ mineral afã no so a, momma yɛnhwehwɛ nyansahu a ɛwɔ feldspar aboɔden abo ahorow yi akyi.

Feldspar Nkyerɛkyerɛmu & Su ahorow

Feldspar aboɔden abo nyinaa yɛ aluminium tectosilicates. Feldspars akuw abien a ɛka bom ne plagioclase feldspars ne alkali feldspars.

Wɔsan frɛ plagioclase feldspar kuw no sɛ albite ne anorthite nhyehyɛe. Plagioclase feldspars nyinaa yɛ sodium calcium aluminosilicates, nanso ɛsono sɛnea calcium ne sodium dodow wɔ emu biara mu, efi anyɛ yiye koraa no sodium ɔha biara mu nkyem 90 na ɛkame ayɛ sɛ calcium biara nni mu (albite) kosi anyɛ yiye koraa no calcium ɔha biara mu nkyem 90 na ɛkame ayɛ sɛ sodium biara nni mu (anorthoclase).

Alkali feldspars nyinaa kura sodium ne/anaasɛ potassium, ɛwom sɛ mpɛn pii no potassium dɔɔso de. Wɔ mfiridwuma mu no, alkali feldspar kuw no nso ka albite ho, efisɛ ɛwɔ akuw abien no mfinimfini, ne ferrisanidine (dade potassium silicate) ne rubicline (rubidium aluminosilicate).

Nanso, kuw ketewa titiriw a ɛwɔ alkali abusua no mu ne K-feldspars anaa potassium feldspars. Aboɔden abo a ɛwɔ kuw ketewa yi mu nyinaa wɔ potassium aluminosilicate nhyehyɛe koro (a ɛtɔ mmere bi a sodium bi si ananmu wɔ sanidine mu) nanso ɛsono ahwehwɛ nhyehyɛe.

Wubetumi asusuw plagioclase ho sɛ sodium-calcium feldspars na alkali yɛ potassium-sodium feldspars.

Feldspar Nneɛma a Wɔahyehyɛ

Ɛrenkyɛ, yɛbɛkɔ sɛnea ɛsono agyapade ahorow a ɛwɔ feldspar ahorow mu no so. Nanso nea edi kan no, momma yɛnhwɛ nneɛma a ɛwɔ hɔ nyinaa a feldspar aboɔden abo ahorow nyinaa wɔ:

• Mohs denden : 6-6.5

• Kɔla : Ɛsono sɛnea ne su te (hwɛ nea wɔahyehyɛ wɔ ɔfã a edi hɔ no mu) .

• Ahwehwɛ nhyehyɛe : Monoclinic (orthoclase & sanidine); Triclinic (microcline, anorthoclase, ne plagioclase feldspars nyinaa) .

• Luster : Vitreous (glassy), ɛtɔ mmere bi a ɛyɛ pearly wɔ cleavages so

• Transparency : Ɛyɛ nea ɛda adi pefee kosi nea ɛnyɛ nea ɛda adi pefee

• Refractive index : Nneɛma a ɛwɔ hɔ nyinaa: 1.516-1.590; Ɛsono sɛnea ɛte biara (hwɛ nea wɔahyehyɛ wɔ ɔfã a edi hɔ no mu) .

• Density : Ne nyinaa mu: 2.62-2.76 (plagioclase), 2.54-2.62 (alkali); Ɛsono sɛnea ɛte biara (hwɛ nea wɔahyehyɛ wɔ ɔfã a edi hɔ no mu) .

• Cleavage : Ɛyɛ pɛpɛɛpɛ wɔ {001} & eye/da nsow wɔ {010} (ahorow nyinaa), ɛtwam wɔ bɛyɛ digrii 90 (ne nyinaa gye anorthoclase)

• Fracture : Ɛnyɛ daa/ɛnyɛ pɛpɛɛpɛ kosi conchoidal

• Streak : Ɛyɛ fitaa

• Luminescence : Ɛsono sɛnea ɛte biara (hwɛ nea wɔahyehyɛ wɔ ɔfã a edi hɔ no mu) .

• Pleochroism : Ɛntaa mma wɔ orthoclase (kɔkɔɔ a ɛyɛ kɔkɔɔ wɔ abo kɔkɔɔ a ɛyɛ mmerɛw mu); Mmerewa kosi biara mma feldspar afoforo nyinaa

• Birefringence : Ne nyinaa mu: 0.003-0.013; Ɛgu ahorow wɔ ahorow ahorow mu (hwɛ nea wɔahyehyɛ wɔ ase hɔ) .

• Dispersion : Ɛyɛ mmerɛw ma obiara nni ne nyinaa mu gye orthoclase, a ɛda nsow wɔ nea ɛyɛ den kakra ho

Mfonini a ɛwɔ atifi hɔ no: Rainbow lattice owia abo cabochon (orthoclase feldspar su ketewaa bi)

Potassium (Alkali) Feldspar Aboɔden abo Ahorow

Feldspar aboɔden abo abusua a edi kan a yɛbɛhwehwɛ mu ne potassium feldspar anaa alkali feldspar kuw no.

Saa kuw yi bi ne:

1. Orthoclase a ɔyɛ ɔkyerɛwfo

2. Microcline a wɔde yɛ nneɛma

3. Anorthoclase a ɛyɛ aduru

4. Sanidine a wɔde di dwuma

Momma yɛnhwɛ alkali feldspar ahorow biara yiye, nhwehwɛ biribiara mu fi nea wɔahyehyɛ ne ne kɔla so kosi wɔn aniwa so nkɛntɛnso ne subtypes so.

Orthoclase a ɔyɛ ɔkyerɛwfo

Orthoclase yɛ feldspar ahorow atitiriw abiɛsa no mu biako, wɔ aboɔden abo ne aboɔden abo ho adesua nyinaa mu. Edin no fi Tete Hela kasa mu orthos , a ɛkyerɛ “trenee,” ne klasis , a ɛkyerɛ “apaapae,” a ɛkyerɛ ne kwan abien a ɛyɛ digrii 90 a ɛpaapae no.

Nneɛma a ɛwɔ orthoclase mu ne:

• Nneɛma a wɔde yɛ : Potassium aluminium silicate; K(AlSi3O8) 1000.

• Ahwehwɛ nhyehyɛe : Monoclinic

• Nsonsonoe abien : 0.004-0.005

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.52-1.54

• Nnipa dodow : 2.56-2.59

• Kɔla ahorow : Kɔla nnim, fitaa, fitaa, tuntum, kɔkɔɔ, borɔdɔma, pink, kɔkɔɔ, ahabammono, bruu

• Luminescence : Ɛtɔ da bi a fluorescence, phosphorescence, ne X-ray kɔla — fitaa, kɔkɔɔ, pinkish-kɔkɔɔ, kɔkɔɔ-orange, anaa orange wɔ SW-UV & fitaa, bruu, pink, kɔkɔɔ, anaa kɔkɔɔ-orange wɔ LW-UV & violet anaa fitaa wɔ X-rays mu

• Nneɛma a ɛwɔ aniwa so : Ɛtɔ mmere bi a adularescence, aventurescence (schiller) .

• Subtypes : Ɔsram Abo, Owia Abo (a Rainbow Lattice Owia Abo ka ho), Ɔkraman Aniwa Orthoclase, Delawarite

• Afoforo / abakɔsɛm mu din : Paradoxite, Argillyite, Common Feldspar, Muldan, Murchosonite, Cottaite, Leelite

Ade biako a ɛho hia a ɛsɛ sɛ yɛhyɛ no nsow ne sɛ ɔsram abo nyɛ orthoclase nkutoo; nokwarem no, ɛyɛ orthoclase ne albite a ɛsesa, a ɛma aboɔden abo no nya ne su mu hann.

Afei nso, feldspar ahorow abien na ɛwɔ hɔ a ebetumi ayɛ owia abo : orthoclase owia abo ne oligoclase owia abo. Owia abo abien no nyinaa da wɔn dade a ɛhyerɛn fi hematite ne/anaasɛ goethite mogya nkwammoaa a wɔde ka ho no adi. Nanso refractive index a ɛwɔ orthoclase owia abo mu no sua. Orthoclase owia abo ahorow a eye sen biara no mu biako ne owia abo a ɛyɛ rainbow lattice a efi Australia.

Microcline a wɔde yɛ nneɛma

Mfonini a ɛwɔ atifi hɔ no: Amazonite cabochon

Microcline yɛ feldspar a abu so a wonim no sɛ ɛyɛ ahwehwɛ akɛse a ɛwɔ aboɔden abo biara mu no bi, ɛwom sɛ wonhu no pii wɔ aboɔden abo kurukuruwa no mu de. Edin no fi Hela asɛmfua mikron , a ɛkyerɛ “ketewa,” ne klinein , a ɛkyerɛ “sɛ wobɛkɔ fam,” a ɛkyerɛ microcline a ɛpaapae kakra a ennu digrii 90.

Microcline su ahorow a ɛsɛ sɛ wuhu ni:

• Nneɛma a wɔahyehyɛ : K (AlSi3O8); Potassium aluminium a wɔde yɛ aduru a wɔfrɛ no silicate

• Ahwehwɛ nhyehyɛe : Triclinic

• Nsonsonoe abien : 0.007-0.010

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.52-1.53

• Nnipa dodow : 2.54-2.57

• Kɔla ahorow : Fitaa, fitaa, fitaa-kɔla, kɔkɔɔ, tan, borɔdɔma, pink, bruu-ahabammono, ahabammono

• Luminescence : Ɛtɔ da bi a fluorescence & X-ray kɔla — kɔkɔɔ-ahabammono wɔ LW-UV, cherry-kɔkɔɔ wɔ SW-UV, ahabammono wɔ X-ray

• Optical effects : Ɛtɔ mmere bi a aventurescence

• Nneɛma nketewa : Amazonite, Chesterlite, Ferruginous Microcline, Hyalophane, ne Perthite

• Afoforo / abakɔsɛm mu din : Biara nni hɔ

Microcline aboɔden abo titiriw ne amazonite , microcline ahorow a ɛyɛ ahabammono kosi bruu a wɔtaa hu a nsensanee fitaa wɔ so. Amazonite nso betumi ada aventurescence adi.

Microcline ne orthoclase di nsɛ yiye, nanso microcline yɛ triclinic polymorph a ɛwɔ mfinimfini-ba fam a ɛwɔ emu nhyehyɛe a wɔahyehyɛ no yiye bere a orthoclase yɛ monoclinic polymorph a ɛwɔ ɔhyew a ɛkorɔn a ɛwɔ emu nhyehyɛe a wɔahyehyɛ no fã bi.

Anorthoclase a ɛyɛ aduru

Mfonini a ɛwɔ atifi hɔ: Anorthoclase nhwɛsode | Mfonini no fi: James St. John, CC-BY-SA-2.0

Nea edi hɔ a ɛwɔ potassium feldspar a wɔahyehyɛ no mu ne anorthoclase. Edin “anorthoclase” no fi Tete Hela kasa koro no ara mu sɛ orthoclase, nanso wɔde asɛmfua an- a ɛkyerɛ “ɛnyɛ,” efisɛ anorthoclase nni orthoclase mu mpaapaemu a ɛyɛ pɛpɛɛpɛ.

Hwɛ nneɛma a ɛyɛ soronko wɔ anorthoclase ho wɔ ase ha:

• Nneɛma a wɔahyehyɛ : (Na,K)AlSi3O8; Sodium anaa potassium aluminium silicate a wɔde yɛ nneɛma

• Ahwehwɛ nhyehyɛe : Triclinic

• Nsonsonoe abien : 0.008-0.009

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.52-1.54

• Nnipa dodow : 2.57-2.60

• Kɔla ahorow : Fitaa, enni kɔla, fitaa, fitaa-pink, kɔkɔɔ, ahabammono

• Luminescence : Ɛtɔ da bi a fluorescence — pink anaa mmerɛw bluish-white wɔ SW-UV, moderate to strong bluish-white wɔ LW-UV

• Optical effects : Ɛtɔ mmere bi a adularescence

• Subtypes : Biara nni hɔ

• Afoforo / abakɔsɛm mu din : Analbite, Anortoclasio, Mikroklas, Atoro-Orthoclase, Pantellarite, Soda-Microcline, Anothose

Adularescence, aniwa mu adeyɛ a ɛwɔ ɔsram abo akyi no, ɛtɔ mmere bi a ebetumi aba anorthoclase mu nanso ɔsram abo taa yɛ albite ne orthoclase a wɔadi afra.

Sanidine a wɔde di dwuma

Mfonini no fi: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Sanidine yɛ feldspar foforo a wɔntaa nhu wɔ aboɔden abo kurukuruwa no mu. Saa feldspar yi nyaa ne din fii Hela kasa mu sanis , a ɛkyerɛ “abopon ketewaa,” ne idos , a ɛkyerɛ “sɛ ɛbɛda adi,” esiane sanidine su a ɛtaa yɛ ahwehwɛ a ɛyɛ tratraa a ɛyɛ tabular na ɛyɛ tratraa nti.

Momma yɛnhwɛ sanidine ahoɔden:

• Nneɛma a wɔahyehyɛ : K (AlSi3O8); Potassium aluminium a wɔde yɛ aduru a wɔfrɛ no silicate; Hyɛ no nsow: Ebetumi ayɛ sodium 30 kosi 62%

• Ahwehwɛ nhyehyɛe : Monoclinic

• Nsonsonoe abien : 0.003-0.007

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.52-1.53

• Nnipa dodow : 2.52-2.62

• Kɔla ahorow : Enni kɔla, fitaa, kɔkɔɔ, bruu

• Luminescence : Ɛntaa nyɛ fluorescence — mmerɛw kɔkɔɔ-akutu wɔ LW-UV & SW-UV

• Optical nsunsuanso : Ɛntaa mma adularescence

• Nneɛma nketewa : Sanidine a ɛkɔ soro, Sanidine a ɛba fam, Barium-Sanidine, Ferrisanidine, Azulicite, Citron Feldspar

• Afoforo / abakɔsɛm mu din : Glassy Feldspar, Rhyacolite, Riacolite, Gränzerite

Wobetumi akyekyɛ sanidine ahorow nketewa no mu abiɛsa: 1) mineral ahorow (sanidine a ɛkorɔn vs nea ɛba fam), 2) efĩ a egyina (barium-sanidine & ferrisanidine), ne 3) aboɔden abo ahorow (azulicite & citron feldspar).

Ebetumi ayɛ mmerɛw sɛ wode sanidine ne orthoclase bɛfrafra mu . Nsonsonoe atitiriw abiɛsa no ne wɔn formation temperature (ɛkɔ soro ma sanidine, medium a ɛba fam ma orthoclase), crystal nhyehyɛe (a ɛnyɛ nhyehyɛe ma sanidine, wɔhyɛ ma orthoclase), optic angle (ɛkorɔn wɔ orthoclase mu), ne transparency (ɛtaa yɛ pefee ma sanidine na ɛyɛ mununkum ma orthoclase).

Mfonini a ɛwɔ atifi hɔ no: Oregon owia abo a ɛwɔ afã horow (labradorite su ketewaa bi)

Plagioclase Feldspar Aboɔden abo Ahorow

Feldspar aboɔden abo titiriw foforo ne plagioclase feldspar abusua no.

Ade titiriw a ɛwɔ plagioclase feldspars ho bere a wɔde toto alkali feldspars ho ne sɛ striations wɔ hɔ. Mpaapaemu anim a ɛwɔ alkali feldspars so no yɛ torotoro, bere a plagioclase feldspars wɔ etched grooves a wɔfrɛ no striations wɔ anyɛ yiye koraa no wɔn cleavage planes no biako so.

Plagioclase feldspar aboɔden abo ahorow no bi ne:

1. Albite na ɔkyerɛwee

2. Oligoclase na ɛyɛ adwuma

3. Andesine na ɔkyerɛwee

4. Labradorite a wɔde yɛ adwuma

5. Bytownitefoɔ

6. Anorthitefoɔ

Afei momma yɛmfa yɛn ho nhyɛ eyinom mu biara mu!

Albite na ɔkyerɛwee

Mfonini a ɛwɔ atifi hɔ: Cleavelandite (albite su ketewaa bi) ahwehwɛ | Mfonini no fi: Ɔwofo Géry, CC-BY-SA-3.0

Albite yɛ feldspar ahorow abiɛsa a ɛsen biara no mu biako wɔ hia a ɛho hia mu. Edin no fi Latin kasa mu albus , a ɛkyerɛ “fitaa,” a ɛkyerɛ sɛ feldspar yi kɔla taa yɛ fitaa.

Momma yɛnhwɛ albite no su ahorow:

• Nneɛma a wɔahyehyɛ : NaAlSi3O (wɔ ɔkwan a ɛho tew sen biara mu); Sodium aluminium silicate a wɔde yɛ nneɛma; Ɛyɛ 0-10% anorthite & 90-100% albite

• Ahwehwɛ nhyehyɛe : Triclinic

• Nsonsonoe abien : 0.010

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.52-1.54

• Nnipa dodow : 2.57-2.69

• Kɔla : Mpɛn pii no, enni kɔla, fitaa, anaa fitaa; Ebetumi ayɛ pink, kɔkɔɔ, kɔkɔɔ, ahabammono, anaa bruu

• Luminescence : Ɛntaa nyɛ fluorescence — fitaa wɔ LW-UV & Kenya nneɛma lime ahabammono wɔ X-rays

• Optical nsunsuanso : Ɛtɔ mmere bi a chatoyancy, iridescence, adularescence

• Nneɛma nketewa : Ɔsram Abo, Peristerite , Cleavelandite

• Afoforo / abakɔsɛm mu din : Acid Plagioclase, Albitic Plagioclase, Analbite, Cryptoclase, Cryptose, Hyposclerite, Kieselspath, Natro-Feldspat, Olafite, Sodaclase, Soda Feldspar, Tetartine, Feldspar fitaa, Schorl fitaa

Sɛnea yɛadi kan aka no, albite na ɛyɛ ɔsram abo a ɛwɔ ntoatoaso no bi nkutoo — fã a aka no yɛ orthoclase ntoatoaso. Albite nso yɛ aboɔden abo te sɛ maw sit sit, verdite, ne nsensanee fitaa a ɛwɔ amazonite pii so no fã.

Oligoclase na ɛyɛ adwuma

Oligoclase yɛ plagioclase feldspar a ɛtɔ so mmienu wɔ albite kɔsi anorthite ntoatoasoɔ mu. Edin “oligoclase” no fi Tete Hela kasa mu oligos , a ɛkyerɛ “ketewa,” ne klân , a ɛkyerɛ “wɔbubu,” de kyerɛ sɛnea ne mpaapaemu nyɛ pɛ te sɛ albite mpaapaemu no.

Nneɛma a ɛwɔ oligoclase mu ni:

• Nneɛma a wɔahyehyɛ : (Na, Ca) [Al (Si, Al) Si2O8]; Calcium sodium aluminium silicate a wɔde yɛ nneɛma; Nneɛma a wɔahyehyɛ no yɛ 10-30% anorthite & 70-90% albite

• Ahwehwɛ nhyehyɛe : Triclinic

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.53-1.55

• Nnipa dodow : 2.62-2.67

• Kɔla ahorow : Enni kɔla, fitaa, kɔkɔɔ a ɛyɛ mmerɛw, borɔdɔma, ahabammono, bruu, kɔkɔɔ, bruu, fitaa

• Luminescence : Ɛntaa mma sɛ ɛyɛ fluorescence — kɔkɔɔ a ɛyɛ mmerɛw kosi fitaa a ɛyɛ mmerɛw wɔ SW-UV mu

• Nsunsuanso a ɛwɔ aniwa so : Ɛtɔ mmere bi a aventurescence (schiller), iridescence

• Nneɛma nketewa : Owia Abo, Lazur-Feldspath, Peristerite

• Afoforo / abakɔsɛm mu din : Amansite, Amantite, Amantic, Adventurine Oligoclase, Lluvia, Oligoalbite, Oligoclasite, Sodic plagioclase, Soda-Spodumene, Sodium Spodumene

Te sɛ ɔsram abo no, peristerite yɛ feldspar abien: oligoclase ne albite. Saa ara na feldspar biara a ɛtoatoa so wɔ mu, na ɛma ɛyɛ iridescence na ɛtɔ mmere bi a adularescence a ɛte sɛ ɔsram abo.

Bio nso, owia abo aboɔden abo betumi ayɛ oligoclase owia abo anaasɛ orthoclase owia abo. Wubehu refractive index a ɛkorɔn kakra wɔ oligoclase owia abo mu sen orthoclase owia abo mu.

Andesine na ɔkyerɛwee

Plagioclase feldspar a edi hɔ ne andesine , a ɛwɔ etymology a ɛnyɛ nea ɛtwe adwene si mineralology so kɛse. Saa din a wɔde frɛ feldspar yi yɛ nea ɛkyerɛ sɛ wohuu no wɔ Andes Mmepɔw a ɛwɔ Amerika Kesee Fam no so.

Nneɛma a ɛwɔ andesine ho ni:

• Nneɛma a wɔahyehyɛ : (Na, Ca) [Al (Si, Al) Si2O8]; Calcium sodium aluminium silicate a wɔde yɛ nneɛma; Nneɛma a wɔahyehyɛ no yɛ 30-50% anorthite & 50-70% albite

• Ahwehwɛ nhyehyɛe : Triclinic

• Nsonsonoe abien : 0.009-0.010

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.56-1.57

• Nnipa dodow : 2.64-2.74

• Kɔla ahorow : Fitaa, fitaa, ahabammono, kɔkɔɔ, kɔkɔɔ, borɔdɔma, pink, champagne, sika kɔkɔɔ

• Luminescence : Fluorescence a ɛyɛ mmerɛw — kɔkɔɔ, bruu, pink, kɔkɔɔ, anaa kɔkɔɔ-biribiri wɔ SW-UV & violet wɔ MW-UV & kɔkɔɔ-fitaa, borɔdɔma, anaa borɔdɔma-kɔkɔɔ wɔ LW-UV mu

• Optical effects : Ɛtɔ mmere bi a kɔla-sesa , ɛntaa nsi koraa aventurescence

• Subtypes : Andesine a Ɛsakra Kɔla, .

• Afoforo / abakɔsɛm mu din : Andesite, Sodic Plagioclase, Andesine-Labradorite

Hyɛ no nsow sɛ mprempren wɔde edin “ andesite ” di dwuma ma ɔbotan a plagioclase feldspar bɛyɛ 65% wom, mpɛn pii no andesine. Ɛtɔ mmere bi a wɔde asɛmfua “andesine-labradorite” di dwuma ma ɔbo no efisɛ andesine ne labradorite nyinaa betumi anya albite kosi anorthite 50-50.

Ade foforo a ɛho hia a ɛsɛ sɛ yɛhyɛ no nsow ne sɛ kɔkɔɔ ne/anaasɛ aventurescence ntaa mma wɔ abɔde mu andesine mu. Wɔakyerɛw andesine a ɛyɛ mmerɛw pii a wɔde diffusion ayɛ no “Tibetfo owia abo,” “Chinafo andesine” anaa “Tibetfo andesine.”

Labradorite a wɔde yɛ adwuma

Labradorite yɛ plagioclase feldspar a wonim no sɛ ɛwɔ eponymous optical effect a wɔfrɛ no labradorescence, emu hyerɛn a ɛte sɛ aventurescence — ɛwom sɛ ɛnyɛ labradorites nyinaa na ɛda saa nkɛntɛnso yi adi. Te sɛ andesine no, labradorite din de nidi ma nea wohui wɔ Labrador, Canada.

Ase hɔ no yɛ labradorite nneɛma atitiriw a wɔahyehyɛ:

• Nneɛma a wɔahyehyɛ : (Ca, Na) [Al (Al, Si) Si2O8]; Calcium sodium aluminium silicate a wɔde yɛ nneɛma; Nneɛma a wɔahyehyɛ no yɛ 50-70% anorthite & 30-50% albite

• Ahwehwɛ nhyehyɛe : Triclinic

• Nsonsonoe abien : 0.008-0.010

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.52-1.57

• Nnipa dodow : 2.68-2.72

• Kɔla : Kɔla a wɔde gyina so: Kɔla biara nni mu, fitaa, kɔkɔɔ, anaa fitaa; Kɔla a ɛhyerɛn (sɛ ɛwɔ hɔ a): Ebetumi ayɛ kɔkɔɔ, borɔdɔma, kɔkɔɔ, ahabammono, bruu, ne/anaasɛ violet

• Luminescence : Ɛtɔ da bi a fluorescence — kɔkɔɔ wɔ SW-UV & bruu a ɛyɛ hann anaa violet-blue wɔ LW-UV

• Optical nsunsuanso : Mpɛn pii no labradorescence anaa aventurescence

• Subtypes : Oregon Owia Abo, Spectrolite, Andesine-Labradorite, Nyankontɔn Ɔsram Abo, Lynx Aniwa

• Afoforo / abakɔsɛm mu din : Carnatite, Labrador Feldspar, Labrador Ɔsram Abo, Mauilite, Opaline Feldspar, Ɔsram Abo Tuntum, Radauite, Silicite

Akyinnye biara nni ho sɛ spectrolite ne labradorite no fã ketewaa a eye sen biara. Saa feldspar yi yɛ ahorow a wɔntaa nhu a efi Finland a ɛda nyankontɔn kɔla biara adi wɔ ne labradorescent flashes mu.

Ebia edin “nyankontɔn ɔsram abo” no bɛma adwene atu afra, nanso nokwarem no ɛyɛ labradorite ahorow, a ɛwɔ schiller bruu a ɛte sɛ adularescence a ɛwɔ ɔsram abo mu no ara kwa.

Nea ɛnte sɛ owia abo afoforo no, labradorite ahorow Oregon owia abo no nya ne schiller fi kɔbere a wɔde ka ho, na ɛnyɛ hematite.

Bytownitefoɔ

Te sɛ labradorite ne andesine no, wɔde bytownite din too so esiane nea wohuu wɔ Bytown, din a na wɔde frɛ Ottawa, Canada kan no nti. Nanso, nea ɛnte sɛ plagioclase feldspars a atwam no, wɔntaa nhu bytownite wɔ aboɔden abo wiase no mu.

Nokwarem no, bytownite ne plagioclase feldspar a ɛto so abien a ɛho yɛ na sen biara. Ɛyɛ den sɛ wubenya bytownites a wɔyɛ aboɔden abo.

Ase hɔ no yɛ bytownite agyapade atitiriw a ɛsɛ sɛ wuhu no din:

• Nneɛma a wɔahyehyɛ : (Ca, Na) [Al (Al, Si) Si2O8]; Calcium sodium aluminium silicate a wɔde yɛ nneɛma; Nneɛma a wɔahyehyɛ no yɛ 70-90% anorthite & 10-30% albite

• Ahwehwɛ nhyehyɛe : Triclinic

• Nkyekyɛm abien : 0.007-0.011

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.56-1.58

• Nnipa dodow : 2.72-2.75

• Kɔla ahorow : Enni kɔla, fitaa, fitaa, kɔkɔɔ, ahabammono-kɔla, ahabammono a ɛyɛ mmerɛw, kɔkɔɔ-biribiri

• Luminescence : Biara nni hɔ

• Optical nsunsuanso : Ɛtɔ mmere bi a labradorescence, ɛntaa mma aventurescence

• Subtypes : Biara nni hɔ

• Afoforo / abakɔsɛm mu din : Biara nni hɔ

Wɔ mmere a ɛntaa nsi mu no, Oregon owia abo a efi Ethiopia no anya nneɛma a wɔahyehyɛ wɔ bytownite ne labradorite ntam pɛɛ. Ɔhyew a wɔde sa yare nso betumi adan Oregon labradorites binom adan bytownite.

Anorthitefoɔ

Mfonini a ɛwɔ atifi hɔ: Anorthite — a wɔada no adi wɔ Royal Ontario Tete Nneɛma Akorae, Toronto, Canada | Mfonini no: S. Rae a ofi Scotland, UK, CC-BY-SA-2.0

Anorthite yɛ calcium awiei a ɛwɔ plagioclase feldspar ntoatoaso no mu, a ɛne albite di nhwɛanim wɔ awiei foforo no. Saa feldspar yi gye abodin a ɛne plagioclase feldspar a ɛntaa nsi wɔ wiase, ɛmfa ho sɛ wohu wɔ mmeae pii — saa ara na feldspar abu so!

Edin “anorthite” no fi Hela asɛmfua an ne orthos , a sɛ wɔka bom a ɛkyerɛ “ɛnyɛ tẽẽ” anaa “ɛyɛ nea ɛkɔ fam,” a ɛkyerɛ ahwehwɛ anim a ɛhyiam wɔ ɔkwan a ɛyɛ mmerɛw so.

Anorthite nneɛma a wɔahyehyɛ ni:

• Nneɛma a wɔahyehyɛ : CaAl2SiO8; Calcium aluminium silicate a wɔde yɛ nneɛma; Nneɛma a wɔahyehyɛ no yɛ 90-100% anorthite & 0-10% albite

• Ahwehwɛ nhyehyɛe : Triclinic

• Nkyekyɛm abien : 0.012-0.013

• Nneɛma a ɛma nneɛma yɛ mmerɛw : 1.57-1.59

• Nnipa dodow : 2.74-2.76

• Kɔla ahorow : Enni kɔla, fitaa, fitaa, kɔkɔɔ-akutu, kɔkɔɔ

• Luminescence : Ɛtɔ da bi a fluorescence — kɔkɔɔ a ɛyɛ mmerɛw wɔ LW-UV & fitaa wɔ SW-UV

• Nsunsuanso a efi aniwa so : Biara nni hɔ

• Nneɛma nketenkete : Lindsayite, Barium-Anorthite

• Afoforo / abakɔsɛm mu din : Amphodelite, Anorthoîte, Barsovite, Beffanite, Beffonite, Biotin, Calciclase, Cyclopite, Didymolite, Indianite, Latrobite, Lepolite, Thiorsauite, Calcium Feldspar, Mfitiase Plagioclase, Lime-Feldspar

Wɔntaa nhu Anorthite wɔ aboɔden abo wiase no mu. Ebia wubehu sɛ aboɔden abo ho animdefo binom a wɔkyekyɛ plagioclase feldspar afoforo te sɛ bytownite ne labradorite mu sɛ anorthite ahorow no aka ho asɛm.

Mfonini a ɛwɔ atifi hɔ no: Feldspar kɛse a ɛyɛ abien a efi Himayalas a cleavelandite wɔ n’afã; Chuck Houser San Diego Nneɛma a Wɔaboaboa Ano | Mfonini no fi: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Eyi yɛ KILLER Himalaya nhwɛsode bi kɛkɛ - baveno twin a ɛyɛ kɛse yiye, edi mũ na wɔayɛ no pɛpɛɛpɛ a ɛyɛ feldspar! Feldspar no yɛ TRANSLUCENT kakra ankasa: ne soro te sɛ porcelain a wɔankyerɛw so sɛnea ɛtaa ba no. Eyinom yɛ den yiye sɛ wobehu wɔ gua so - wɔanpue da wɔ dodow mu kɛkɛ. Hyɛ cleavelandite fɛfɛ a ɛyɛ accenting a ɛwɔ twin no afã no nsow. Bio nso, nkonimbo ankasa ma obi a ɔpɛ Himalaya! Dada. Chuck Houser San Diego Nneɛma a Wɔaboaboa Ano.

Feldspar Mineral Formation & Nneɛma a Wɔde Yɛ Adwuma

Nea enti a feldspar dɔɔso saa no fã bi ne sɛ etumi yɛ wɔ abotan ahorow pii mu. Feldspar dodow no ara yɛ crystallize wɔ cooling magma mu, na saa ahorow yi of feldspar wɔ abotan a ogya wom mu. Nanso, wobetumi ahu feldspars wɔ abotan a ɛyɛ metamorphic ne sedimentary abotan mu.

Ɔkwan a feldspar ahorow ahorow fa so yɛ no yɛ nneɛma atitiriw a ɛma ahorow biara da nsow no mu biako. Na nea ɛfa ɔhyew ho kɛse .

Alkali feldspars ba wɔ ɔhyew a ɛkɔ soro mu, na potassium ne sodium si wɔn ho wɔn ho ananmu wɔ dodow ahorow mu, na ɛde nneɛma ahorow a efi orthoclase kosi sanidine anaa nea ɛkame ayɛ sɛ albite ba.

Nneɛma afoforo te sɛ onwini dodow a ɛba no nso di dwuma. Sɛ nhwɛso no, sanidine ba bere a ɔhyew no kɔ soro na ɛno akyi no, ɛyɛ nwini ntɛmntɛm no. Nanso microcline ba bere a ɔhyew no ba fam kakra a ɛno akyi no, ɛyɛ nwini nkakrankakra no.

Plagioclase feldspars ba wɔ ɔhyew a ɛba fam kosi mfinimfini-a ɛkɔ soro mu, na ɛyɛ kristal fi magma mu kɔ plagioclase ahorow ahorow mu a egyina calcium ne sodium dodow a ɛwɔ magma no mu so.

Sɛ wɔhyehyɛ bere a igneous crystallization (wɔ magma mu bere a ɛyɛ den no) a, plagioclase feldspars di nhyehyɛe a wɔhyehyɛ akyi . Plagioclase feldspars a edi kan a ɛba no yɛ ahorow a calcium wom te sɛ anorthite, afei ahorow a sodium wom te sɛ albite ba akyiri yi bere a ɔhyew no kɔ fam no.

Mmeae a Wɔtu Tuo

Sɛnea wunim mprempren no, wohu feldspar ahorow ahorow wɔ wiase nyinaa... na yɛkyerɛ sɛ, wɔ baabiara . Nanso feldspar biara wɔ ne nsoromma fibea, enti aman a ɛwɔ soro ma ahorow biara ni bere a ɛfa nneɛma a ɛyɛ aboɔden abo ho no:

• Orthoclase : Myanmar ne Sri Lanka na wɔde wɔn ho hyɛ mu

• Microcline (Amazonite) : Russia, Brazil, ne Colorado (U.S.A.) .

• Anorthoclase : Mexico ne Australia na ɛwɔ hɔ

• Sanidine : Germany, Madagascar, ne Mexico

• Albite : Brazil, Russia, Madagascar, Canada

• Oligoclase : North Carolina (U.S.A.), Canada, Norway, ne Kenya

• Andesine : Tibet ne Mongolia na ɛwɔ hɔ

• Labradorite : Madagascar, Finland, ne Canada

• Kurow no mufo : Mexico ne Oregon (U.S.A.) .

• Anorthite : Italy, Japan, ne Germany

Sɛ wonya fi wɔn fibea kɔ wo adetɔ teaseɛnam mu wie a, feldspar ahorow ahorow bo yɛ ahe?

Mfonini a ɛwɔ atifi hɔ no: Ɔsram abo cabochon a wɔde sɛn so a wɔde cubic zirconia ayɛ

Feldspar Bo & Ne Bo

Nea eye ne sɛ, feldspar aboɔden abo no bo nyɛ den dodo. Ebinom bo yɛ den sen afoforo, nanso ɛkame ayɛ sɛ wɔda so ara wɔ mmeae a wotumi kɔ hɔ ma sikasɛm nhyehyɛe biara.

Yɛakyekyɛ bo a wɔbɔ ma feldspar biara wɔ wɔn info akwankyerɛ ahorow mu, nanso ɛha na yɛakyekyɛ bo a wɔbɔ no nyinaa mu ntɛmntɛm ama feldspar aboɔden abo ahorow a ɛwɔ afã horow:

• Orthoclase : $7 kosi $45 wɔ carat biara mu

  • Ɔsram abo : $5 kosi $25 wɔ carat biara mu

  • Sunstone : Bɛyɛ $75 wɔ carat biara mu

• Microcline : $0.25 kosi $0.40 wɔ carat biara mu

• Sanidine : Bɛyɛ $10 wɔ carat biara mu

• Albite : Bɛyɛ $100 wɔ carat biara mu

• Oligoclase : $20 kosi $100 wɔ carat biara mu

• Andesine : $10 kosi $150 wɔ carat biara mu

• Labradorite : $2 kosi $20 wɔ carat biara mu (cabochons) .

  • Spectrolite : ne nyinaa yɛ dɔla 20 kosi 200 (cabochons) .

  • Oregon Sunstone : $5 kosi $70 wɔ carat biara mu

  • Rainbow Moonstone : $40 kosi $400 wɔ carat biara mu

• Bytownite : $20 kosi $40 wɔ carat biara mu

Feldspar Ɔhwɛ ne Nsiesiei

Ɛnyɛ den sɛ wobɛhwɛ feldspar biara so , nanso nneɛma bi wɔ hɔ a ɛsɛ sɛ wode sie w’adwenem. Titiriw no, cleavage akwankyerɛ ahorow no. Feldspar cleavage ma ɛyɛ mmerɛw sɛ wobɛpaapae abien esiane ɔhwe a emu yɛ den nti, enti ɛsɛ sɛ feldspar agude biara nya nhyehyɛe a ɛbɔ ho ban .

Yɛhyɛ nyansa nso sɛ fa feldspar sie wɔ baabi a ɛda nsow wɔ aboɔden abo afoforo ho na amma ansɛe. Wubetumi de nsu a ɛyɛ hyew, samina a ɛnyɛ den, ne brɔs a ɛyɛ mmerɛw asiesie feldspar biara.

Nsɛm a Wɔtaa Bisa

Dɛn na ɛkyerɛkyerɛ feldspar mu?

Wɔkyerɛ feldspars ase sɛ aluminosilicate aboɔden abo a ɛyɛ abotan a calcium, sodium, barium, ne/anaasɛ potassium wom a emu yɛ ahwehwɛ nhyehyɛe koro no ara. Ɛkame ayɛ sɛ abotan a ahwehwɛ wom nyinaa yɛ feldspars titiriw.

Feldspar ahorow ahe na ɛwɔ hɔ?

Feldspar yɛ kuw kɛse bi a ɛwɔ aboɔden abo ahorow bɛboro 20, a emu pii wɔ wɔn ankasa ahorow ne nketewa. Feldspar ahodoɔ du titire a ɛsɛ sɛ yɛhunu ne plagioclase feldspars nsia — albite, oligoclase, andesine, labradorite, bytownite, ne anorthite — ne alkali feldspars titire anan — orthoclase, sanidine, microcline, ne anorthoclase.

Dɛn ne feldspar ahorow atitiriw abiɛsa no?

Sɛ yɛreka akuw ho asɛm a, akuw atitiriw abiɛsa no ne plagioclase, alkali, ne K-feldspar mmusua. Feldspar ankorankoro ahorow abiɛsa titiriw ne orthoclase, albite, ne anorthite.

Nsonsonoe bɛn na ɛda plagioclase ne K feldspar ntam?

Plagioclase ne K-feldspar (kuw titiriw a ɛwɔ alkali feldspar abusua no mu) yɛ soronko wɔ akwan atitiriw kakraa bi so:

• Nneɛma a ɛwom : Potassium titiriw (K-feldspar) vs calcium anaa sodium titiriw (plagioclase) .

• Striations : Ntrɛwmu a ɛyɛ mmerɛw (K-feldspar) vs nsonsonoe a ɛyɛ etched striations a ɛwɔ mpaapaemu wimhyɛn biako anaa nea ɛboro saa so (plagioclase) .

• Twinning : Ɛtɔ mmere bi a, twinning a ɛnyɛ den (K-feldspar) vs twinning a wɔtaa yɛ polysynthetic (plagioclase) .

• Kɔla : Mpɛn pii no pink (K-feldspar) vs mpɛn pii no fitaa kosi fitaa (plagioclase) .

Ɛyɛɛ dɛn na feldspar nyaa ne din?

Edin “feldspar” no fi German kasa mu Feldspath anaa Feldspat , a ɛpaapae mu yɛ no Feld , a ɛkyerɛ “afuw,” ne spath anaa spat , a ɛkyerɛ “spar.” Abakɔsɛm mu no, na wɔde “spar” anaa spat yɛ aboɔden abo a ɛnyɛ den sɛ wobetumi abubu ayɛ no nsensanee a ɛyɛ tratraa.

Ɛbɛyɛ sɛ saa mfiase yi fi feldspar a wohu wɔ abotan a wohu wɔ mfuw mu mu, ne akwan abien a ɛma aboɔden abo yi mu paapae ntɛmntɛm no.

Feldspar Ebɛn na Ɛfata W’anigye?

Efi orthoclase so kosi sanidine so, albite so kosi anorthite so, po so kosi po a ɛhyerɛn so... feldspar yɛ aboɔden abo kuw kɛse bi a ɛho hia ma okyinnsoromma yi, aboɔden abo, ne aboɔden abo adɔfo nyinaa. Sɛ woanpaw feldspar a w’ani gye ho de besi nnɛ a, wowɔ pii a wubetumi apaw bi ne pii a wobɛhwehwɛ mu wɔ bo a wontumi nni so nkonim wɔ ha wɔ Gem Rock Auctions.

Kɔtɔ feldspar aboɔden abo ahorow nyinaa ne ademude afoforo nnɛ!