| 释义 |
sursassite Min.|ˈsɜːsəsaɪt|
[ad. G. sursassit (J. Jakob 1926, in Schweiz. Min. und Petrogr. Mitt. VI. 376), f. Sursass, name of the Oberhalbstein region in the Rhaeto-Romance dialect: see -ite1.]
A hydrated silicate of manganese and aluminium, found as tufts and radial aggregates of reddish brown or yellow monoclinic crystals.
1928Chem. Abstr. XXII. 45 (heading) Sursassite, a manganese silicate from Val d'Err. 1964Amer. Mineralogist XLIX. 168 Various chemical formulae have been proposed for sursassite. 1973Mineral. Rec. IV. 290/1 Recently braunite..and sursassite..have been found in Palos Verdes Hills, Los Angeles County, California... The only other occurrence of sursassite known in North America is in New Brunswick..Maine. |