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Brewsterite-Sr : (Sr,Ba,Ca)[Al2Si6O16] · 5H2O | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Width of field is 7.0 mm. Collection of Jesse Crawford. The depth of field has been enhanced using Helicon Focus (11 exposures). Equipment: Nikon D-100 on a homemade microscope. |
| © 2008 Jesse Crawford | Photo ID: 174652 View Count: 101 |
Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Elongated specimen with a cavity of scattered white harmotome crystals. No apparent damage. Ex. J. Cilen collection #3307. Overall size of mineral specimen: 11x6x4 cm. Size of individual crystals: 2-9 mm. |
| © 2002 John H. Betts | Photo ID: 3839 View Count: 442 |
Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Elongated cluster of lustrous white harmotome crystals. Very clean - no damage. Overall size of mineral specimen: 6x4x4 cm. Size of individual crystals: 5-8 mm. |
| © 2002 John H. Betts | Photo ID: 6566 View Count: 429 |
Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Field of view 46 mm. Collection M. Kampf No 99-101. |
| © 2005 M. Kampf | Photo ID: 37516 View Count: 334 |
Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O, Calcite : CaCO3 | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Thick-tabular to short-prismatic crystals to 12 mm on bi-coloured calcite (brown with a bluish grey core). Specimen size: 10 x 8 x 4.5 cm. P Haas photograph and collection (no. 89-018). |
| © Peter Haas | Photo ID: 30141 View Count: 301 |
Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK A pair of crystals with 1mm terminations. Photographed by, and in the collection of, Karl Volkman. Ex rudy Tschernich collection. |
| © Karl Volkman04/05 | Photo ID: 31270 View Count: 271 |
Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK size:6x10cm .crystals up to 1 cm , Ex Alex Franz collection. Paul Bongaerts specimen and photograph. |
| © Paul Bongaerts | Photo ID: 45921 View Count: 237 |
Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O | |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Sample crystallized with 5x3x3cm - June of 2005 |
| © Martins da Pedra | Photo ID: 47110 View Count: 203 |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Sharp, lustrous harmotome crystals up to 1.7 cm. Size: 82mm x 66mm x 31mm Collection: Ex- E. Schlichter Collection |
| © Collectors Edge | Photo ID: 69717 View Count: 191 |
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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK Harmotome - fine crystal cluster on an approx. 9 x 6 matrix. See additional close-up and Dr. Karabacek label. |
| © Christopher O'Neill | Photo ID: 159596 View Count: 112 |
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