標 本 名: | ぺリドット ( 鉄かんらん石 - 苦土かんらん石) (Fayalite-Forsterite Series, Variety: Peridot ) | 化学組成: | Fe2+2[SiO4] - Mg2[SiO4] | サ イ ズ: | 16,7 x 9,8 x 9,3 - 11,8 x 8,3 x 7,8 mm | 重量: | | 透明: | | 数量: | | 産地: | Sapat Gali (Soppat; Suppat; Sumpat), Manshera, Naran-Kagan Valley, Kohistan District, North-West Frontier Province, パキスタン (Pakistan) | Three peridot crystal one is perfectly doubly terminated the others show at both sides crystal faces but just slightly some fracture planes from the former matrix. Two crystals are hosting ludwigite needle inclusion. Fine trio!
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