Name QUARTZ
Variety QUARTZ WITH EPIDOTE
Origin Capelhina (Minas Gerais) Brazil
Hardness 7
Composition SiO2
Crystaline sys. TRIGONAL
Size   62 x 40 x 16 cm
Weight 72,5 Kg




Description:
Quartz was chosen by the geologist Friedrich Mohs to represent grade 7 in his famous scale of hardness dating back to 1825, and which is still valid nowadays. Quartz crystals star in some of the most spectacular inclusions of the mineral world. Here we show a magnificent specimen of quartz, of an unusual size and shape, penetrated by large crystals of green epidote.


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QUARTZ



VARIETY QUARTZ WITH EPIDOTE