著者

白水 晴雄 小川 留太郎 田中 信也 宮久 三千年

出版者

日本鉱物科学会

雑誌

岩石鉱物鉱床学会誌 (ISSN:00214825)

巻号頁・発行日

vol.46, no.6, pp.191-195, 1961

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Brucite from Sasaguri occurs as foliated or fibrous aggregates, associating with calcite and yellowish serpentine. H=2.5; S.G=2.475; ω=1.562, ε=1.581. Chemical analysis gives: SiO₂ 0.33, Al₂O₃ 0.08, Fe₂O₃ 1.69, MgO 64.81, MnO 1.10, H₂O(-)0.39, H₂O(+)31.38, total 99.78. X-ray powder data and D. T. A. curve are also given. The mineral seems to have been formed under hydrothermal condition.