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Pyrophyllite From Graves Mountain Georgia UsaSize-2cm x 1
The hardness is 2
8cm x 2cm x 6
Minearl class- calcium fluoride
mineral class is silicate and its crystal system is monoclinic
Cobalto calcite Pyrophyllite From Graves Mountain GeorgiaCobalto calcite from Congo Size 8. 9cm x 8. 2cm x 2. 9cm Weight 230g You will receive the item in the photo Cobalto calcite is a vibrant pink cobalt rich variety of the mineral calcite. The pink colour is a result of a chemical substitution where cobalt replaces calcium within the crystal lattice. The mineral class is carbonate and the crystal system is trigonal l. Hardness is 3 on the Mohs scale. Cobalto calcite typically forms in low temperature
US$ 407.69
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