Mineral: | Johachidolita
| Fórmula química: | CaAlB3O7 | Tamaño: | 4,8 x 3,9 x 2,6 - 7,0 x 4,6 x 2,1 mm | Peso: | | Transparencia: | MI2 (moderate included) SI2 - VI1 (visibly included) I1 | Número de piezas: | | Origen: | La mina de Pyan Gyi (oeste de Pyan Pyit), al noreste de Mogok, Birmania (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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