Name TOPAZ
Variety TOPAZ
Origin Minas Geraes (Brazil)
Hardness 8
Composition Al2SiO4(F,OH)2
Crystaline sys. RHOMBIC
Size   5,7x2,5x2 cm
Weight 42,2 g




Description:
Topaz was chosen by the geologist Friedrich Mohs to represent grade 8 in his famous scale first published in 1825 and which is still valid today. Without doubt it is one of the great gems and a mineral that stands out in any collection due to the beauty, colour and size, sometimes of gigantic proportions, of its crystals.


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TOPAZ



VARIETY TOPAZ