1. a mineral, manganese carbonate, MnCO3, commonly containing some iron and calcium, and usually rose-red in color: a minor ore of manganese; manganese spar.

Origin of rhodochrosite

1830–40; < Greek rhodóchrōs rose-colored (rhódo(n) rhodo- + chrṓs color; cf. chroma) + -ite1
Also called dialogite.
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British Dictionary definitions for rhodochrosite


  1. a pink, red, grey, or brown mineral that consists of manganese carbonate in hexagonal crystalline form and occurs in ore veins. Formula: MnCO 3

Word Origin for rhodochrosite

C19: from Greek rhodokhrōs of a rosy colour, from rhodon rose + khrōs colour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012