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Elbaite : [Na][(Li,Al)3][Al6][(OH)3|OH|(BO3)3|Si6O18] |
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Hyakule, Sankhuwasabha District (Sankhuwa Sahba), Kosi Zone, Nepal
5.5 x 0.6 x 0.4 cm. A super-gem quality NEPALESE tourmaline, pure cutter quality, with a gorgeous pink hue culminating in a bright golden-green termination. This beauty weighs 5 grams. Ex. Charles Leavitt, Chris Korpi tourmaline Collection.
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| © Rob Lavinsky | Photo ID: 158806 View Count: 96 |
Hambergite : Be2[O|OH|BO2], Elbaite : [Na][(Li,Al)3][Al6][(OH)3|OH|(BO3)3|Si6O18] |
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Hyakule, Sankhuwasabha District (Sankhuwa Sahba), Kosi Zone, Nepal
7.5 x 2.0 x 1.2 cm. Hambergite is a rare accessory mineral in gem pegmatites. This elongated pearlescent and translucent, white crystal is doubly-terminated and also hosts a 1.4 cm long, elbaite crystal (itself doubly-terminated!). Hambergite is a beryllium, borate and sharp elongate crystals are known from only a few localities. Ex. Paul Stahl ... |
| © Rob Lavinsky | Photo ID: 169906 View Count: 121 |