rhodonite
rhodonite Member of the inosilicates with composition (Mn,Ca)Si2O6 and related to the pyroxenes but with a different atomic structure, and termed a pyroxenoid (see also WOLLASTONITE); sp. gr. 3.57–3.76; hardness 5.5–6.0; pink to brownish-red; tabular or massive; occurs in manganeserich mineral deposits, e.g. in Franklin, New Jersey.
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Amorphous , Solid substances fall into two general classes, crystalline and amorphous. Those whose atoms show long-range order, like the squares on a chessboard… Isomer , Isomer
Isomer is the term used to describe two or more chemical compounds which can be represented by the same chemical formula . There are two main… Hypersthene , hypersthene A member of the orthorhombic pyroxenes with approximately equal amounts of Fe and Mg in its composition MgFeSi2O6, it is a mineral occurr… Atoms , Atom
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rhodonite