標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | 10,2 x 4,2 x 1,7 - 7,2 x 2,3 x 1,8 mm | 重量: | | 透明: | | 数量: | | 産地: | mine close to Man Sin Village , northeast of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | One spinel looks almost tetragonal prismatic is almost doubly terminated one side is intact the other half terminated. The other piece seems to have been a part of a spinel after the twin law showing on both sides intact termination but on the prismatic side a crystalline fracture face.
| 
