標 本 名: | ジョウハチドーライト (Johachidolite)
| 化学組成: | CaAlB3O7 | サ イ ズ: | 4,8 x 3,9 x 2,6 - 7,0 x 4,6 x 2,1 mm | 重量: | | 透明: | MI2 (moderate included) SI2 - VI1 (visibly included) I1 | 数量: | | 産地: | Pyan Gyi mine (West of Pyan Pyit), northeast of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Two Johachidiolite (0,37 cts. & 0,33 cts.), one is even bi-colored. Those stones have been rated among the rarest gems, although this isn’t true, good quality and big pieces over one carat have remained always rare.
Those two make perfect reference specimens for a collector!
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