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Sphalerite, Dolomite


Sphalerite : (Zn,Fe2+)S, Dolomite : CaMg(CO3)2

Large, complex crystals of black sphalerite up to 5 cm on pink dolomite crystals up to 1 cm. I have many of these old specimens in the past and every one was damaged. This specimen is pristine: all crystals complete and undamaged. Overall size of mineral specimen: 9x7x5 cm. Size of individual crystals: 1-5 cm.

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