標 本 名: | コランダム (鋼玉), ルビー & サファイア (Corundum, Variety: Ruby & Sapphire)
| 化学組成: | Al2O3 | サ イ ズ: | 11,3 x 9,8 x 4,9 - 5,8 x 4,5 x 3,6 mm | 重量: | | 透明: | translucent - transparent | 数量 : | | 産地: | Mogok Stone Tract, Mandalay Division, ビルマ(ミャンマー) Burma (Myanmar) | 2 Rubies are showing a deep violet- red hue while the other two rubies disclosing a vivid raspberry red. The 4 rubies include the bipyramidale one are totally undamaged floater crystals . One of the sapphire has one crystalline fracture face. Interesting corundum collection from Burma
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