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Pyroxmangite : ウィキペディア英語版 | Pyroxmangite
Pyroxmangite has the general chemical formula of MnSiO3. 〔Pinckney, Linda R, and Charles W Burnham. ("High-Temperature crystal structure of pyroxmangite." ) American Mineralogist 73 (1988): 809–817. GeoScienceWorld. Web. 13 September 2010.〕 It is the high-pressure, low-temperature dimorph of rhodonite.〔 It was first described in 1913 and named for the mineral group, pyroxenes, and is known as the manganese member. It forms a series with pyroxferroite. Pyroxmangite occurs in metamorphosed ore deposits rich in manganese. Associated minerals include spessartine, tephroite, alleghanyite, hausmannite, pyrophanite, alabandite, rhodonite and rhodochrosite.〔 ==References==
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