標 本 名: | ﾘﾋﾀｰ閃石 (Richterite) / 長石（グループ）, 微斜長石, アマゾナイト (Amazonite)
| 化学組成: | Na[CaNa][Mg5][(OH)2|Si8O22] / KAlSi3O8 | サ イ ズ: | 104,1 x 86,3 x 60,9
クリスタル: 21,1 mm | 重量: | | 透明: | | 数量: | | 産地: | Sar-e-Sang District, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, アフガニスタン (Afghanistan) | 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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