標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ : | 7,3 x 6,9 x 4,4 & 6,4 x 4,4 x 4,2 mm | 重量: | | 透明: | | 数量 : | | 産地: | Pyan Pyit (Pein Pyit) Mine, northeast of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | The big 結晶 crystal is half way to a "David Star " twinned after the スピネル (Spinel) law. The other piece is multiple twinned after スピネル (Spinel) law and parallel twinning. Both 結晶 crystal showing no damages and the small also a very gemmy transparency.
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