Native Copper Inclusions in a Cu-bearing Tourmaline

Precious Braswell 12/1/18 Precious Braswell 12/1/18

Native Copper Inclusions in a Cu-bearing Tourmaline

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Sapphires from Kina, Kenya

Precious Braswell 12/1/15 Precious Braswell 12/1/15

Sapphires from Kina, Kenya

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Blue Chrysocolla Chalcedony from Peru

Precious Braswell 1/1/14 Precious Braswell 1/1/14

Blue Chrysocolla Chalcedony from Peru

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Gray-to-Blue-to-Violet Hydrogren-Rich Diamonds From The Argyle Mine, Australia

Precious Braswell 3/21/09 Precious Braswell 3/21/09

Gray-to-Blue-to-Violet Hydrogren-Rich Diamonds From The Argyle Mine, Australia

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