標 本 名: | 柱石 （総称, (マリアライト - 灰柱石 ) / アクチノ閃石 透閃石
| 化学組成: | 3NaAlSi3O8·NaCl - 3CaAl2Si2O8·CaCO3 / (Ca2(Mg, Fe)5[(OH)2Si8O22]) | サ イ ズ: | | 重量: | | 透明: | | 数量 : | | 産地: | Kokcha Valley, Badakhshan, アフガニスタン (Afghanistan) | Here you get a rarely found purple Scapolite in matrix from Afghanistan. The mother rock also consist actinolite crystals. The piece discloses partly gemmy transparency and fine termination. A rare reference specimen from the Kokcha valley!!
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