福岡県篠栗産ブルース石
1961 年 46 巻 6 号 p. 191-195
詳細
1961 年 46 巻 6 号 p. 191-195
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.
