pyroxenes (commonly abbreviated Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks. Pyroxenes... 13 KB (1,462 words) - 02:33, 24 March 2024 |
The pyroxene pallasite grouplet is a subdivision of the pallasite meteorites (stony-irons). The grouplet is named "pyroxene pallasites" because they are... 3 KB (199 words) - 21:08, 20 March 2023 |
mineral, i.e. porphyritic olivine (PO), porphyritic pyroxene (PP), and porphyritic olivine-pyroxene (POP). It seems likely that these chondrules cooled... 10 KB (1,121 words) - 20:30, 26 April 2024 |
dark in color, and common rock-forming mafic minerals include olivine, pyroxene, amphibole, and biotite. Common mafic rocks include basalt, diabase and... 7 KB (736 words) - 08:09, 27 September 2023 |
group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). Nephrite is typically green, although may be yellow... 37 KB (4,467 words) - 17:23, 24 April 2024 |