Mineral: | Tourmaline, Variety: Elbaite / Feldspar, Variety: Microcline
| Chemical Formula: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) / KAlSi3O8 | Size: | 24,5 x 23,5 x 19,2
crystal: 21,5 mm | Weight: | | Transparence: | translucent - transparent | Quantity: | | Origin: | Mine close to Letpanhla village near Mount Pyin Kyi Thaung, Singu Township, Mandalay Division, Burma (Myanmar) | Fine moors head tourmaline with good luster and fine undamaged shape. Smaller crystals are also attached to the feldspar matrix and the base of the main crystals is half coated by a black tourmaline layer
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