Chalcopyrite : CuFeS2
Dolomite : CaMg(CO3)2
As recorded:
Heimberg quarry, Harz, Goslar District, Lower Saxony, Germany
11cm x 10cm x 6cm
Photo added to mindat.org
“Chalkopyrite xx on Dolomite xx; size of the specimen: 11 x 10 x 6 cm ; found 1985 on the 5. level ("5. Sohle") of the Heimberg-quarry.”
Eberhard Riech - 20th October 2009
Photo added to mindat.org
“Chalkopyrite xx on Dolomite xx; size of the specimen: 11 x 10 x 6 cm ; found 1985 on the 5. level (5. Sohle). Field of view: 3 cm”
Eberhard Riech - 20th October 2009
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