Mineral: | Afghanite
| Chemical Formula: | (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·(H
2
O) | Size: | 40,0 x 39,6 x 32,5
crystal: 15,0 x 14,6 x 11,4 mm | Weight: | | Transparence: | transparent - translucent | Quantity: | | Origin: | Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, Afghanistan | This matrix is hosting at least four intergrown Afghanite crystal disclosing good luster and deep blue coloration. The crystals show a remarkable good transparency for this mineral species. Great matrix specimen!
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