manganese spar
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manganese spar — noun 1. : rhodonite 2. : rhodochrosite * * * Mineral. rhodonite or rhodochrosite. [1815 25] * * * manganese spar noun Rhodochrosite • • • Main Entry: ↑manganese * * * … Useful english dictionary
rhodonite — /rohd n uyt /, n. a mineral, manganese metasilicate, MnSiO3, occurring usually in rose red masses, sometimes used as an ornamental stone; manganese spar. [1815 25; < G Rhodonit < Gk rhódon ROSE1 + G it ITE1] * * * Silicate mineral that occurs in… … Universalium
rhodochrosite — /roh deuh kroh suyt/, n. a mineral, manganese carbonate, MnCO3, commonly containing some iron and calcium, and usually rose red in color: a minor ore of manganese; manganese spar. Also called dialogite. [1830 40; < Gk rhodóchros rose colored… … Universalium
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. [1913 Webster] … The Collaborative International Dictionary of English
rhodonite — n. Manganese spar, silicate of manganese … New dictionary of synonyms
Ankerite — is a calcium, iron, magnesium, manganese carbonate mineral of the group of rhombohedral carbonates with formula: Ca(Fe, Mg, Mn)(CO3)2. In composition it is closely related to dolomite, but differs from this in having magnesium replaced by varying … Wikipedia
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luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… … Universalium
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