標 本 名: | ジョウハチドーライト (Johachidolite) / 柱石 / ﾊｯｸﾏﾅｲﾄ
| 化学組成: | CaAlB3O7 / 3NaAlSi3O8·NaCl - 3CaAl2Si2O8·CaCO3 / Na8Al6Si6O24(Cl2,S) | サ イ ズ: | | 重量: | | 透明: | transparent - translucent | 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 very fine crystal disclosing all over termination and fine luster. Apart from secondary crystal striation, caused by neighbour crystals you can see also primary striation and some orthorhombic shape. There are some gemmy parts and some bicolour areas as well. A very rare specimen for this mineral species and a great collector’s item! 
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