Cactus quartz, South Africa

Cactus quartz, South Africa

Malachite

Malachite

Boulder Opal

Boulder Opal

Gem Silica & Azurite w/Malachite

Gem Silica & Azurite w/Malachite

Bouquet agate |

Bouquet agate |

Azurite Malachite - Azurite is one of the two basic copper carbonate minerals, the other being bright green malachite. http://en.wikipedia.org/wiki/Azurite

Azurite Malachite - Azurite is one of the two basic copper carbonate minerals, the other being bright green malachite. http://en.wikipedia.org/wiki/Azurite

Tourmaline from Shanghai Mineral show.

Tourmaline from Shanghai Mineral show.

Agate

Agate

Another angle of this 801 carat Boulder Opal shows the blues that come out under different light....Bill Kasso

Another angle of this 801 carat Boulder Opal shows the blues that come out under different light....Bill Kasso

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