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Definition of Orthorhombic pyroxene
1. Noun. (minerology) Any of a group of minerals having the general formula XYSi2O6 in which X is iron or magnesium and Y is iron or manganese. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) Any of a group of minerals having the general formula XYSi2O6 in which X is iron or magnesium and Y is iron or manganese. ¹
¹ Source: wiktionary.com