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: | LI1 (lightly included) (VS) | 数量: | | 産地: | Sakangyi area, west of Mogok, Shan State, ビルマ(ミャンマー) Burma (Myanmar) | Fine faceted Moonstone , with much better transparency as seen on the photo 
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