Name QUARTZ
Variety QUARTZ WITH PYRITES
Origin Diamantina (minas Gerais) Brazil
Hardness 7
Composition SiO2
Crystaline sys. TRIGONAL
Size   7,3x7,5,5 cm
Weight 224,4 gr




Description:
Quartz crystals with inclusions of pirite crystals, sometimes longer than 2 cm, coming from this deposit, are the most beautiful of and best in the world. Good specimens are rare and vey much sought after by collectors.


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QUARTZ



VARIETY QUARTZ WITH PYRITES