Mineral: | Tourmaline, Variety: Elbaite (Rubellite) / Feldspar, Variety: Microcline | Chemical Formula: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) / KAlSi3O8 | Size: | 49,0 x 28,6 x 16,5 x crystal: 11,9 x 8,6 mm | Weight: | | Transparence: | | Quantity: | | Origin: | Mine close to Letpanhla village near Mount Pyin Kyi Thaung, Singu Township, Mandalay Division, Burma (Myanmar) | Fine pink rubellite crystal with blue cap in feldspar matrix. The crystal has a gemmy transparency with a thin layer of blue colored Elbaite. Those specimens where the first tourmaline crystals from this location so far no more crystals with a blue head have been found. This main crystal is fully intact.
|