標 本 名: | 藍方石（藍宝石,Haüyne,アウイン)
| 化学組成: | (Na,Ca)4-8[Al6Si6(O,S)24](SO4,Cl)1-2 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, ドイツ (Germany) | A very fine faceted Hauyn. The stone is eye-clean and shows fine cut . Great collector stone with deep blue coloration. 
| 
