Dioptase 4g from Kaokoveld, Kunene, Namibia

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This gorgeous thumbnail sized specimen is from Kaokoveld, Kunene, Namibia. Dimensions - Width : 17.84mm Height : 11.48mm Weight : 4g 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! Show more