Mineral: | Afghanite
| Chemical Formula: | (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·(H
2
O) | Size: | 95,6 x 72,0 x 60,2
crystal: 78,8 x 33,9 mm | Weight: | | Transparence: | translucent - subtranslucent | Quantity: | | Origin: | Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, Afghanistan | A great huge Afghanite crystal in matrix disclosing mostly deep blue translucency and some parts are light blue. This twin crystal shows at the left crystal fully intact shape while the right crystal displays two small damages at the backside of the tips. Nevertheless,you get a big well crystallized Afghanite specimen in matrix!
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