enstatite

/en-stuh-tahyt/US // ˈɛn stəˌtaɪt //UK // (ˈɛnstəˌtaɪt) //

英斯塔特,英斯塔特岩,英斯塔特石,恩斯特罗特

Definitions

n.名词 noun

1
Mineralogy.
- : a yellow-green fibrous magnesium silicate, an orthorhombic pyroxene found in norites containing less than five percent ferrous oxide.

Hornblende is green, rarely brownish; augite pale green or nearly colourless; enstatite appears in some granulite-gneisses.
The hornblende of granites is usually pale green in section, the augite and enstatite nearly colourless.
Enstatite is white, greenish or brown in colour; its hardness is 5, and sp.
In this connexion mention may be made of an altered form of enstatite or bronzite known as bastite or schiller-spar.
Other dacites, especially augite- and enstatite-dacites, are darker coloured.