Mineral: | Turmalina, variedad: Elbaite (Verdelita) / Cuarzo
| Fórmula química: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) | Tamaño: | | Peso: | | Transparencia: | transparente - translúcido | Número de piezas: | | Origen: | La mina de Pyan Gyi (oeste de Pyan Pyit), al noreste de Mogok, Birmania (Myanmar) | A very rare prismatic Tourmaline crystal from a metamorphic limestone are, where normally only spinel and short prismatic or twinned uvite (rose-tourmaline) crystals are found. The specimen shows a light color change! This must be caused by a light vanadium and chromium content. Chemically the crystal might be an uvite not an elbaite. In either way this is a very rare and fully intact crystal !
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