Mineral: | Richterita / Feldespato variedad: Microclina, variedad: Amazonita
| Fórmula química: | Na[CaNa][Mg5][(OH)2|Si8O22] / KAlSi3O8 | Tamaño: | 104,1 x 86,3 x 60,9
cristal: 21,1 mm | Peso: | | Transparencia: | | Número de piezas: | | Origen: | Distrito de Sar-e-Sang, Valle de Koksha (Kokscha; Kokcha), Provincia de Badakhshan (Badakshan; Badahsan), Afganistán | Here you get at least 10 fully intact richterite crystals all grown on albite or phlogopite. The crystals disclosing typical blade shaped habit. The biggest crystal has a length of over 2 cm. A very rare paragenesis from the Koksha Valley
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