標 本 名: | アフガン石 (Afghanite)
| 化学組成: | (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·(H
2
O) | 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) | Three afghanite crystals in matrix one has sharp defined prism faces and slightly round pyramidal termination. The two others are not terminated but with good prismatic shape. All three disclosing a light to deep blue coloration.
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