Pyroxene -  (pī´rŏksēn), name given to members of a group of widely distributed rock minerals called metasilicates in which magnesium, iron, and calcium, often with aluminum,... ... Pyroxene minerals are found chiefly in igneous and metamorphic rocks and in lunar rocks. Varieties include enstatite, bronzite,
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Pyroxene - Wikipedia, the free encyclopedia
The pyroxenes are a group of important rock-forming silicate minerals found in many igneous and metamorphic rocks. They share a common structure consisting of single chains of silica tetrahedra and ...
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Quick Links; Pyroxene; Tourmaline; Garnet ... Other neat facts: ... What is tourmaline?; Where is it found?; Other neat facts...
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These conclusions do not correspond with the facts. The purely magnesian pyroxene, enstatite, is ortho- rhombic, but it will tolerate substantial ...
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Definition of pyroxene from the online medical dictionary hosted by mondofacto. ... The pyroxene group contains pyroxene proper, also the related orthorhombic species, enstatite, bronzite, hypersthene, and various monoclinic and triclinic species, as rhodonite, etc.
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canoes from which pyroxene andesites and basalts have been ejected. These expectations do not agree with the facts. The parts of the magma which are found ...
www.jstor.org/stable/30059950
Bondoc is an extremely unusual, heterogeneous, brecciated meteorite consisting of a silicate matrix of cumulate pyroxene with interstitial plagioclase and clasts of pyroxenite and dunite, together with metal nodules and minor troilite ... Meteorite Facts...
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The smoothness of flow is partly due to the chemical composition of the lava which has a comparatively low proportion of silica (silicon dioxide) and a comparatively high proportion of calcium (as feldspar) and magnesium (as pyroxene). ... Volcanoe facts; volcanology; Volcker, Paul Adolph; vole; Volga;
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