Topaz – 31 mm – 48 ct “Imperial Topaz” Crystal From Ouro Preto


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This topaz is from Ouro Preto in the Iron Quadrangle of Minas Gerais, Brazil. This source is reportedly exhausted and topaz is no longer being found. It is a silicate and it contains the elements Al, Si, O, F, and H. It can be found in a variety of colors which are created by different trace impurities in the crystal lattice. This crystal has a orange color. This crystal is terminated and is transparent with internal flawing. It has a glass luster. It measures 31 x 15 x 10 mm

Additional information

Weight 5 oz