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28/11/2023 11:53 am

Zambia Mined 1.10 Natural Green Emerald

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Einzelheiten
Artikelnummer
Abmessungen (mm)
7.1 x 5.6 x 3.7mm
Gewicht (cts)
1.1
Clarity
I
Type
Faceted
Farben
Beschreibung

Emerald :


Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium and sometimes vanadium.[2] Beryl has a hardness of 7.5–8 on the Mohs scale.[2] Most emeralds are highly included,[3] so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.

Clarity :

Emeralds tend to have numerous inclusions and surface-breaking fissures. Unlike diamonds, where the loupe standard, i.e. 10× magnification, is used to grade clarity, emeralds are graded by eye. Thus, if an emerald has no visible inclusions to the eye (assuming normal visual acuity) it is considered flawless. Stones that lack surface breaking fissures are extremely rare and therefore almost all emeralds are treated ("oiled", see below) to enhance the apparent clarity. The inclusions and fissures within an emerald are sometime described as jardin (French for garden), because of their mossy appearance.[9] Imperfections are unique for each emerald and can be used to identify a particular stone. Eye-clean stones of a vivid primary green hue (as described above), with no more than 15% of any secondary hue or combination (either blue or yellow) of a medium-dark tone, command the highest prices.[5] The relative non-uniformity motivates the cutting of emeralds in cabochon form, rather than faceted shapes. Faceted emeralds are most commonly given an oval cut, or the signature emerald cut, a rectangular cut with facets around the top edge.

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Treatment None

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Versand
Versandanbieter Versand nach Thailand Versand in den Rest der Welt Kombiversand ( Thailand ) Kombiversand (Rest der Welt)
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/ 7
/ 21
bei Bestellungen mit 2 Artikeln oder mehr
bei Bestellungen mit 2 Artikeln oder mehr
DHL
/ 4
/ 7
bei Bestellungen mit 2 Artikeln oder mehr
bei Bestellungen mit 2 Artikeln oder mehr

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Versanddetails

Kosten:
Transit:
7 über DHL
Schiffe von:
Thailand

Zahlungsmöglichkeiten

  • paypal

Überblick

Auflistungstyp : Standard
Produkt ID : 2284281
Beginnt : 26th November 2023 01:12 pm PST
* Alle Preise sind in USD

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