Topaz : Al2(SiO4)(F,OH)2


Topaz : Al2(SiO4)(F,OH)2

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Topaz in situ; At the bottom of a pocket encase in broken xls & cement like rubble the top of a topaz crystal. (65 x 70 mm) July 17 2010 See locality photos of pocket 60'L - 10'SW. Harvest & photo by MWylie. In the collection of JMU mineral museum.

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Photo added: 18th Jul 2010

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