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hypersthene
[ hahy-pers-theen ]
noun
- a dark iron magnesium silicate, an orthorhombic pyroxene containing more than 14 percent ferrous oxide.
hypersthene
/ ËŒhaɪpəˈsθɛnɪk; ˈhaɪpəˌsθiËn /
noun
- a green, brown, or black pyroxene mineral consisting of magnesium iron silicate in orthorhombic crystalline form. Formula: (Mg,Fe) 2 Si 2 O 6
Derived Forms
- hypersthenic, adjective
Other ˜yÐÄvlog Forms
- ³ó²â·±è±ð°ù·²õ³Ù³ó±ð²Ô·¾±³¦ [hahy-pers-, then, -ik], adjective
˜yÐÄvlog History and Origins
Origin of hypersthene1
˜yÐÄvlog History and Origins
Origin of hypersthene1
Example Sentences
An eruptive rock allied to trachyte, consisting essentially of a triclinic feldspar, with pyroxene, hornblende, or hypersthene.
Schiller, shil′ėr, n. the peculiar bronze-like lustre observed in certain minerals, as hypersthene, &c., due to internal reflection.—ns.
Hypersthene, hī-per-sthēn′, n. a rock-forming mineral which crystallises in orthorhombic forms, an anhydrous magnesian silicate, generally dark green or raven-black in colour.—adj.
Green augite and hypersthene form a considerable part of these rocks, they may contain also biotite, hornblende and quartz.
Hypersthene and scapolite both may occur in these rocks and they are sometimes garnetiferous.
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