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Dumortierite Image

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 Dumortierite

Large Dumortierite Image

Mineral: Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3
Comments: Divergent fans of acicular purple to lilac colored dumortierite crystals in white andalusite matrix.
Location: Dehesa, San Diego Co., California, USA.
Scale: Crystal size 2.3cm.
Copyright: © Tom Loomis / Dakota Matrix
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