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Amazing combination of Calcite, Quartz and Chalcopyrite



Calcite | #Geology
Formula: CaCO3
System: Trigonal
Colour: White, Yellow, Red, ...
Lustre: Vitreous, Pearly
Hardness: 3


Quartz
Formula:SiO2
System:Trigonal
Hardness:7

From: Boldut Mine, Cavnic, Maramures Co., Romania
Credit: Anton Watzl

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