Mineral: | Afghanite
| Chemical Formula: | (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·(H
2
O) | Size: | 33,3 x 29,01 x 27,9
crystal: 17,5 x 6,3 mm | Weight: | | Transparence: | transparent - translucent | Quantity: | | Origin: | Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, Afghanistan | Here you get two fine Afghanite crystals in matrix, disclosing a very good transparency with deep blue coloration. Beside this the crystals are fine terminated with sharp edges and no damages at all. Great afghanite specimen!
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