| 释义 |
rhomboclase Min.|ˈrɒmbəʊkleɪz, -s|
[ad. Hungarian rhomboklas (J. S. Krenner 1891, in Magyar tudományos Akad. Értes. II. 96), f. rhombo- rhombo- + Gr. κλάσ-ις breaking, cleavage (cf. orthoclase).]
A hydrated ferric acid sulphate, HFe(SO4)2.4H2O, found as colourless or pale-coloured thin tabular crystals.
1910Mineral. Mag. XV. 429 (heading) Rhomboclase. 1938Amer. Mineralogist XXIII. 742 Rhomboclase occurs at Alcaparrosa, near Cerritos Bayos [N. Chile], intimately associated with szomolnokite and roemerite. 1968I. Kostov Mineralogy 499 Rhomboclase is orthorhombic⁓dipyramidal, occurring as colourless to white or greenish thin tabular crystals with perfect {ob}001{cb} cleavage. |