Name QUARTZ
Variety CITRINE
Origin Joaquin Felicio (Minas Gerais) Brazil
Hardness 7
Composition SiO2
Crystaline sys. TRIGONAL
Size   16,5 x 8,5 x 7 cm
Weight 1.630 gr




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. It is rare to find a natural citrine crystal, and even more, when the facets are clear. That is why they are often polished, as is the case here, so that all its beauty can be admired.


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QUARTZ



VARIETY CITRINE