|Dimensions (mm)||25 x 24 x 7mm|
|Weight (carats)||39.3 carats|
SPHALERITE ROUGH STONE
Sphalerite is amazing gem stone from Spain . Most material is from the Aliva mine which produced the world best and largest transparent toffee-colored sphalerites until it closed in 1989. It is well known worldwide by collectors of rare gems and minerals.Some faceted stones look Spectacular.
Sphalerite is a soft stone. It’s hardness is only 3.5-4 on Mohs scale. That’s why it is normally not used in jewelry. It does have however both a very high refractive index and an extremely high dispersion, making this gem an extraordinary piece for gem collections.
|Starts||9th Apr 2017 11:55pm PDT|
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