標 本 名: | 柱石 （総称, (マリアライト - 灰柱石 ) (Scapolite (Marialite-Meionite Series))
| 化学組成: | 3NaAlSi3O8·NaCl - 3CaAl2Si2O8·CaCO3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, アフガニスタン (Afghanistan) | Here is a rare occasion to get purple scapolite from Afghanistan in matrix. The specimen is hosting around 20 crystals all with termination, good luster and striation along the prism faces. The purplish color becomes more intense when looking along the c-axis. Also some actinolite is visible at one side.
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