Mineral: | Afghanite
| Chemical Formula: | (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·(H
2
O) | Size: | | Weight: | | Transparence: | transparent - translucent | Quantity: | | Origin: | Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, Afghanistan | Here you get three longer afghanite crystals flat imbedded in matrix. Besides those crystals smaller ones are present but less idiomorph crystallized. The main crystals showing good luster, pretty sharp crystal shape and a very nice and rarely found transparency.
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