Dioptase , Alton-attune Area, Karaganda Region, Kazakhstan
Dimensions: 6.3 cm (2.4”) x 6.9 (2.7”)
Weight: 238 grams
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Dioptase?is an intense?emerald-green to bluish-green?copper?cyclosilicate?mineral. It is transparent to?translucent. Its?luster?is vitreous to sub-adamantine. Its formula is CuSiO3?H2O (also reported as CuSiO2(OH)2). It has a hardness of 5.
Nharo has been collecting mineral specimens in Southern Africa since 2002. We focus on bringing a wide variety of unusual, beautiful and energetic minerals back home with us!
