標 本 名: | 苦土かんらん石 (Forsterite)
| 化学組成: | Mg2[SiO4] | サ イ ズ: | | 重量: | | 透明: | LI1 (lightly included) (VS) | 数量: | | 産地: | Dattaw Mine, north of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Well sized faceted forsterite with great transparency ! Forsterite rough over several carat is a very uncommon find, this piece has a weight of more than 3,7 carats! A rare collectors’ item! 
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