Colemanite Mineral Gallery

Colemanite Mineral Gallery
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Colemanite Minerals


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Colemanite Mineral Gallery With 2 Images

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Colemanite: Ca2B6O11·5(H2O)

Comments: Coarsely crystalline colemanite, in part, covered with minute acicular crystals of strontianite.
Location: Boraxo #3 pit, Death Valley, California, USA. Scale: 30 cm.
© Dave Barthelmy

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Colemanite: Ca2B6O11·5(H2O)

Comments: Large crystals of brown colemanite with second generation of absolutely clear and gemmy (colorless) colemanite. Intensely fluorescent in long and short UV..
Location: Mustafakemalpascha Mine, West-Anatolia Turkey. Scale: Crystal size: 1.3 x 1 cm.
© Fabre Minerals
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