標 本 名: | 角閃石, 鉄普通角閃石
| 化学組成: | Ca2(Fe2+,Mg)4Al(Si7Al)O22(OH,F)2 | サ イ ズ: | | 重量: | | 透明: | MI2 (moderate included) SI2 | 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 in iron-rich faceted hornblende. The stone shows fine polish and good symmetry. This mineral species rarely comes along and this quality. Very fine collector stone. 
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