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Adularia : KAlSi3O8, Quartz (Var: Smoky Quartz) : SiO2 | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland On matrix, a lustrous group of Adularia crystals lies on a biterminated light smoky Quartz. The group of Adularia is cm 5; Quartz is cm 6. (Marco Tomei coll. & photo) |
| Photo ID: 262494 View Count: 13 | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland Chabazite crystals on smoky quartz crystals up to 3.8 cm length. Specimen size 9.5 x 7.7 x 5 cm. See second image for detail. Christian Bracke Collection. |
| © Christian Bracke | Photo ID: 143378 View Count: 113 |
Chabazite, Quartz (Var: Smoky Quartz) : SiO2 | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland Chabazite crystals of 3 mm length. Christian Bracke Collection. |
| © Christian Bracke | Photo ID: 143380 View Count: 66 |
Fluorite : CaF2 | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland Size of crystal is 2 cm |
| Photo ID: 233108 View Count: 42 | |
Hematite (Var: Iron Rose) : Fe2O3, Quartz (Var: Smoky Quartz) : SiO2, Chlorite Group | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland Iron rose with very thin hematite crystals, partly covered with a thin layer of chlorite. Iron rose 1.2 cm in diameter. |
| © Christian Bracke | Photo ID: 89744 View Count: 151 |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland 130 x 88 x 115 mm. Robert J. Nowakowski Collection |
| © Joseph A. Freilich | Photo ID: 213070 View Count: 27 |
Quartz (Var: Smoky Quartz) : SiO2 | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland Large crystal of transparent smoky quartz with minor granite matrix attached at the base. Two extra faces are in the corners (x and v faces), rare. The crystal is very clear internally and has 2 minor nicks on the back, with clean surfaces on the front. Overall size of mineral specimen: 10x6.5x6 cm. Size of individual crystals: 10 cm. |
| © 2003 John H. Betts | Photo ID: 8477 View Count: 277 |
Quartz (Var: Smoky Quartz) : SiO2 | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland I will say right off that this superb Swiss smoky does have a ding at its tip, which keeps it from being a $2,000 specimen - but if you can handle the ding, you can get a really spectacular specimen by winningthe bidding on this one! It has just the best gemminess, the top you ever see, characteristic of the best Swiss smoky specimens. And ... |
| © Rob Lavinsky | Photo ID: 54677 View Count: 176 |
Quartz (Var: Smoky Quartz) : SiO2, Chlorite Group, Hematite (Var: Iron Rose) : Fe2O3 | |
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Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland Smoky quartz crystals up to 3.4 cm length with chlorite covered tips. |
| © Christian Bracke | Photo ID: 89745 View Count: 120 |
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