標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | 6,1 x 5,8 x 3,7 & 7,0 x 6,5 x 3,8 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) | You get two triangle twinned spinel crystals, twinned after the spinel law. The only blemish is a tiny crystalline fracture face at one point of the bigger crystal. Coloration and the transparency are good. Perfect triangle shaped crystals!
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