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rhodonite

[rohd-n-ahyt]
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noun
  1. a mineral, manganese metasilicate, MnSiO3, occurring usually in rose-red masses, sometimes used as an ornamental stone; manganese spar.
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Origin of rhodonite

1815–25; < German Rhodonit < Greek rhódon rose1 + German -it -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for rhodonite

rhodonite

noun
  1. a brownish translucent mineral consisting of manganese silicate in triclinic crystalline form with calcium, iron, or magnesium sometimes replacing the manganese. It occurs in metamorphic rocks, esp in New Jersey and Russia, and is used as an ornamental stone, glaze, and pigment. Formula: MnSiO 3
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Word Origin

C19: from German Rhodonit, from Greek rhodon rose + -ite
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