Mohs Scale 8 Topaz
Topaz, 6.3 cm high
Ouro Preto, Minas Gerais, Brazil
Bruce Carter Collection
Image Credit and Copyright: Jeff Scovil
Topaz
Topaz
Mohs: 8, Absolute: 200
Mohs: 8, Absolute: 200
The November birthstone. Its natural color is mostly yellow, but because of impurities it can be brown, red, pink, orange, gray, and blue, though most blue topaz has been treated to produce the blue color.
The November birthstone. Its natural color is mostly yellow, but because of impurities it can be brown, red, pink, orange, gray, and blue, though most blue topaz has been treated to produce the blue color.
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7: Quartz
7: Quartz
9: Corundum
9: Corundum
