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Topaz Mountain, Thomas Range, Juab Co., Utah, USA Mirror-like lustre. From Cubical #2 Claim. 4 x 2.5 x 1.5 cm overall specimen size, this crystal is 7mm. Whole-specimen image also provided. RFC M1483. Mindat.org Photo of the Day - 18th Jan 2008 |
| © MIchael C. Roarke | Photo ID: 102567 View Count: 494 |
Bixbyite : (Mn3+,Fe3+)2O3 | |
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Topaz Mountain, Thomas Range, Juab Co., Utah, USA A 2 1/2x2 inch piece of white rhyolite is host to a couple of 1/4" cubes and a elongated crystal of bixbyite. In the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 17616 View Count: 365 |
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Topaz Mountain, Thomas Range, Juab Co., Utah, USA A great example of Bixbyite with a single black cube exhibiting trisoctahedron corners, a mirror-like metallic lustre and measuring 1cm width, on a Rhyolite matrix surrounded by gemmy, pale pink, elongate Topaz crystals to 1cm length. The Bixbyite has no damage, and is a large crystal for Bixbyite, making this a fine specimen. Size: 54mm x 33mm ... |
| © Kristalle and Crys | Photo ID: 111934 View Count: 95 |
Bixbyite : (Mn3+,Fe3+)2O3 | |
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Topaz Mountain, Thomas Range, Juab Co., Utah, USA Mirror-like lustre. From Cubical #2 Claim. 4 x 2.5 x 1.5 cm overall specimen size, this crystal is 7mm. Whole-specimen image. RFC M1483. |
| © Michael C. Roarke | Photo ID: 82306 View Count: 93 |
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Topaz Mountain, Thomas Range, Juab Co., Utah, USA A cubic twin of Bixbyite is perched on rhyolite-included Topaz crystals in association with purple Fluorite. Specimen size is 3.35cm x 2.6cm x 2.06cm. |
| © Jasun McAvoy | Photo ID: 252807 View Count: 33 |
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Topaz Mountain, Thomas Range, Juab Co., Utah, USA 5.0 x 4.6 x 2.8 cm. A contrasting rhyolite matrix is the host for an unusual combination specimen. Splendent, jet-black crystals of bixbyite to 1.5 cm across are associated with gemmy, sherry-colored topaz crystals to 1.2 cm in length. This is one of the more desirable combinations from the Thomas Range. Seldom do you see so much bixbyite on one ... |
| © Rob Lavinsky | Photo ID: 258619 View Count: 23 |
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