Used as an ornamental stone

• A pink or red mineral consisting of crystalline manganese silicate

Wiktionary Word definitions in Wiktionary
n. (context mineralogy English) A manganese inosilicate mineral with some substitution by iron and magnesium, of composition (manganese 2+ ,iron,magnesium,calcium)siliconoxygen 3 .

WordNet Word definitions in WordNet
n. a pink or red mineral consisting of crystalline manganese silicate; used as an ornamental stone

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Rhodonite \Rho"don*ite\, n. [Gr. "ro`don the rose. ] (Min.) Manganese spar, or silicate of manganese, a mineral occuring crystallised and in rose-red masses. It is often used as an ornamental stone.

Wikipedia Word definitions in Wikipedia
Rhodonite is a manganese inosilicate , (Mn, Fe, Mg, Ca)SiO and member of the pyroxenoid group of minerals , crystallizing in the triclinic system. It commonly occurs as cleavable to compact masses with a rose-red color (the name comes from the Greek ῥόδος ...