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Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK

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Brewsterite-Sr : (Sr,Ba,Ca)[Al2Si6O16] · 5H2O

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 CrawfordPhoto ID: 174652    View Count: 101

Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O

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. BettsPhoto ID: 3839    View Count: 442

Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O

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. BettsPhoto ID: 6566    View Count: 429

Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O

Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK

Field of view 46 mm. Collection M. Kampf No 99-101.
 © 2005 M. KampfPhoto ID: 37516    View Count: 334

Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O, Calcite : CaCO3

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 HaasPhoto ID: 30141    View Count: 301

Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O

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 Volkman04/05Photo ID: 31270    View Count: 271

Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O

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 BongaertsPhoto ID: 45921    View Count: 237

Harmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O

Bellsgrove Mine (Bellsgrove Opencut), Strontian, North West Highlands (Argyllshire), Scotland, UK

Sample crystallized with 5x3x3cm - June of 2005
 © Martins da PedraPhoto ID: 47110    View Count: 203

Multiple photos availableHarmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O, Galena : PbS, Calcite : CaCO3

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 EdgePhoto ID: 69717    View Count: 191

Multiple photos availableHarmotome : (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O

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'NeillPhoto ID: 159596    View Count: 112
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