標 本 名: | ジョウハチドーライト (Johachidolite) / 柱石
| 化学組成: | CaAlB3O7 / 3NaAlSi3O8·NaCl - 3CaAl2Si2O8·CaCO3 | サ イ ズ: | 37,7 x 26,2 x 18,2 crystal: 7,5 x 6,0 mm | 重量: | | 透明: | | 数量 : | | 産地: | Pyan Gyi mine (West of Pyan Pyit), northeast of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Here you get a Johachidolite crystal in orthoclase but is surrounded by scapolite.
The crystal discloses on the 3 visible faces luster and crystal shape. Terminated crystals are much rarer as huge specimens full of cleave faces. In general these crystals show very rarely idiomorph habit, due to the competition growth with the other minerals. The faces mostly form by touching the neighboring crystals. A fine reference specimen of these newly discovered mineral.
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