標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | | 重量: | | 透明: | LI1 (lightly included) (VS) | 数量: | | 産地: | near Ah Phu village, Luc Yen ("Yuang Yang"; "Yueng Yang"), Yenbai (Yen Bai) Province, ベトナム (Vietnam) | 100 % natural and untreated and with beautiful cut, looks even much better in person !! 
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