“tephroite”的意思、由来-百科全书

词条	tephroite
释义	tephroite mineral olivine mineral found only in iron-manganese ore deposits and skarns and in metamorphosed manganese-rich sediments, such as those of Cornwall, Eng., and Franklin, N.J., in the United States. Tephroite (manganese silicate; Mn₂SiO₄) forms a solid solution series with the olivine fayalite in which iron completely replaces manganese in the molecular structure. For detailed physical properties, see olivine (table).
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