標 本 名: | 長石（グループ）, 正長石 (Feldspar, Variety: Orthoclase)
| 化学組成: | KAlSi3O8 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Sakangyi area, west of Mogok, Shan State, ビルマ(ミャンマー) Burma (Myanmar) | A typical twinned orthoclase crystal with fine transparency. The crystal shows a cascade natural grown pit one side was connected to the mother rock therefore shows crystalline fracture .
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