
1) Calcium mineral 2) Gemstone 3) Iron mineral 4) Mineral 5) Triclinic mineral 6) Used as an ornamental stone
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https://www.crosswordclues.com/clue/rhodonite

Rhodonite is a manganese inosilicate, (Mn, Fe, Mg, Ca)SiO3 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 rhodos, rosy), often tending to brown because of surface oxidation. Rhodonite crystals o...
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http://en.wikipedia.org/wiki/Rhodonite

• (n.) Manganese spar, or silicate of manganese, a mineral occuring crystallised and in rose-red masses. It is often used as an ornamental stone.
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http://thinkexist.com/dictionary/meaning/rhodonite/

silicate mineral that occurs as rounded crystals, masses, or grains in various manganese ores, often with rhodochrosite. It is found in the Ural ...
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http://www.britannica.com/eb/a-z/r/44
Rho'don·ite noun [ Greek
'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.
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http://www.encyclo.co.uk/webster/R/77

Rhodonite is an often pink or red coloured mineral sometimes polished for use as an ornamental stone. Rhodonite is formed mainly in manganese-bearing metamorphic rocks, especially marble and skarn, which were previously limestone. It is also found in sediments that have been altered by metasomatism. It has the formulae (Mn,Fe,Mg)SiO3 and a relative...
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http://www.probertencyclopaedia.com/browse/HR.HTM

Manganese(II) metasilicate
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http://www.translationdirectory.com/glossaries/glossary075.htm

[
n] - a pink or red mineral consisting of crystalline manganese silicate
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http://www.webdictionary.co.uk/definition.php?query=rhodonite
noun a pink or red mineral consisting of crystalline manganese silicate; used as an ornamental stone
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https://www.encyclo.co.uk/local/20974
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