標 本 名: | サフィリーン(Sapphirine) | 化学組成: | (Mg,Fe)4-xAl4+x [Al4+x Si2-x O18 ]O2 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | near the village Kollane, Embilipitiya (Embilipitya; Ambilipitiya), Province of Sabaragamuwa, スリランカ (Sri Lanka) | This is a small but fine crystallized sapphirine crystal from Sri Lanka. Except the small area on the thin face no damages are present. The specimen shows a distinctive hexagonal short prismatic habit and a strong pleochroism from light blue to dark green-blue. This crystal has been found more than 30 years ago!

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