Yoan Beckaert

鉱物オークション (エキスパートハイライト)

希少な二酸化チタン鉱物（TiO₂）で、正交晶系、板状または刃状の結晶形、金剛光沢から準金属光沢に至る光沢を特徴とする。化学式はルチルとアナターゼと同じだが、結晶構造は異なる。

a rare titanium dioxide mineral (TiO₂), characterized by its orthorhombic crystal system, tabular or blade-like crystal shapes, and adamantine to submetallic luster. It shares the same chemical formula as rutile and anatase, but forms a distinct crystal structure.

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卓越した、稀少な赤褐色の Brookite、端が整った刃状結晶、ファントム含有を有する＆ Crystal - Height: 20 cm - Width: 23 cm- 1.8 g - (1)

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