標 本 名: | コランダム (鋼玉), サファイア (Corundum, Variety: Sapphire)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量 : | | 産地: | Mogok Stone Tract, Mandalay Division, ビルマ(ミャンマー) Burma (Myanmar) | Rare Corundum shape. This piece has a small waist and increasing diameter towards both ends. This rare specimen has striation all over the prism faces, fine luster and both sides are terminated, no blemishes at all. Great small unique sapphire crystal !!
| 
