Amazing Smithsonite

Smithsonite is a gemstone lineament zinc carbonate (ZnCO3), sometimes referred to every bit “zinc spar”.
Smithsonite | #Geology
Formula: ZnCO3
System: Trigonal
Colour: White, grey, yellow, …
Lustre: Vitreous, Pearly
Hardness: iv – 4½
From Tsumeb Mine, Tsumeb, Otjikoto, Namibia


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