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Mt White, Chaffee Co., Colorado, USA A 6.3 x 5.5 x 4.9 cm matrix, the top covered by choice blocky white albite crystals to 3.5 cm in size. Very clean of damage; quite nice for the species at this locality. Ex Don Belsher collection. |
| © Dan & Diana Weinrich Minerals | Photo ID: 267825 View Count: 6 |
Beryl : Be3Al2Si6O18 | |
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Mt White, Chaffee Co., Colorado, USA Beryl, var aquamarine. Specimens from the collection at Harvard University #92153 (1972). Scale at bottom of image is an inch with a rule at one cm. |
| Photo ID: 238064 View Count: 19 | |
Beryl (Var: Aquamarine) : Be3Al2Si6O18 | |
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Mt White, Chaffee Co., Colorado, USA Large transparent blue aquamarine crystal on display at the Tucson Show, 2008. Harvard University Mineralogical Museum/ Ed Over specimen. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 152371 View Count: 108 |
Beryl (Var: Aquamarine) : Be3Al2Si6O18 | |
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Mt White, Chaffee Co., Colorado, USA 4.4 x 0.4 x 0.4 cm. A gemmy, blue, doubly terminated, Colorado aquamarine crystal from the 1960s and the much less well-known Mt. White, near Mt. Antero. Ex. Doughty and Hauck Collections. Weighs 7.38 carats. |
| © Rob Lavinsky | Photo ID: 236612 View Count: 18 |
Fluorite : CaF2 | |
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Mt White, Chaffee Co., Colorado, USA 8.1 x 4.7 x 4.7 cm. Mt. White is a great pegmatite locality in central Colorado, but unfortunately sits in the shadow of the more prominent Mt. Antero, so it doesn’t get as much attention. This area has produced some very interesting specimens in its history, and this piece is a great example. This piece was collected by the Colorado collector ... |
| © Rob Lavinsky | Photo ID: 210598 View Count: 47 |
Microcline : K[AlSi3O8] | |
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Mt White, Chaffee Co., Colorado, USA 45 mm x 25 mm cluster of white microcline. RFCT1449. |
| © 2009 Michael C. Roarke | Photo ID: 225301 View Count: 30 |
Phenakite : Be2[SiO4] | |
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Mt White, Chaffee Co., Colorado, USA 2.5 x 2.5 x 1.9 cm. Phenakite is an uncommon beryllium silicate found in granite pegmatites and schists. This glassy, translucent and colorless, euhedral crystal has both stepped-growth and striated faces. This is a large, for the species, Colorado crystal and hails from the much less common Mt. White of Chaffee County. This is a classic and ... |
| © Rob Lavinsky | Photo ID: 235263 View Count: 23 |
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