標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | 7,4 x 5,69 x 7,1 - 3,1 x 3,0 x 2,1 mm | 重量: | | 透明: | | 数量: | | 産地: | Pyan Pyit (Pein Pyit) Mine, northeast of Mogok, Shan State, ビルマ(ミャンマー) Burma (Myanmar) | Eight undamaged spinel twin crystals, 3 crystals show partly or “Star of David” crystal shape. Nice collection of typical twinning parallel and after spinel law.
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