|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
KASHMIRE EMERALD SPECIMEN
This emerald is from a new mine in Pakistan from the Khaltaro region in kashmire.it was released on the market at the Tucson 2010 gem show.This is best kept as a specimen and not try and cut stone out of it.Interesting display of matrix on base.
Size 93x60x43 mm app
Weight 1563 app
Emeralds are a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium.
Beryl has a hardness of 7.5–8 on the 10 point Mohs scale
Emerald tends to have numerous inclusions and surface breaking fissures. Unlike diamond, where the loupe standard, i.e. 10X magnification, is used to grade clarity, emerald is 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", to enhance the apparent clarity. 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. This relative crystal non-uniformity makes emeralds more likely than other gemstones to be cut into cabochons rather than faceted shapes
|Starts||21st Sep 2017 9:02pm PDT|
|Ends||22nd Sep 2017 9:00pm PDT|
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