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Heulandite-Ba : (Ba,Ca,K,Na,Sr)5Al9Si27O72·22H2O |
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Northern Ravnås Prospect, Vinoren Southern Mines, Vinoren Silver Mine Field, Kongsberg Silver Mining District, Svene, Flesberg, Buskerud, Norway
A specimen with colourless heulandite-Ba crystals. Field of view about 15 mm. The specimen is in the micromount collection of OT. Ljostad |
| © OT. Ljostad | Photo ID: 32451 View Count: 873 |
Heulandite-Ba : (Ba,Ca,K,Na,Sr)5Al9Si27O72·22H2O |
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Northern Ravnås Prospect, Vinoren Southern Mines, Vinoren Silver Mine Field, Kongsberg Silver Mining District, Svene, Flesberg, Buskerud, Norway
Nice crystals of the rare Ba dominant Heulandite (TL). Picture width is 5mm. |
| © Elmar Lackner | Photo ID: 202209 View Count: 145 |