標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | 9,2 x 9,0 x 5,1 - 6,8 x 5,3 x 4,8 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) |
Three unusual shape spinel crystals disclosing a violet or purplish red coloration with fine transparency. One crystal is parallel intergrown and distorted with one preferred direction during the growth, the msall on eis a combination of a octahedron wit trisooctahedron, while the other one is a half cyclic twin after the spinel law. All are undamaged.
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