[ peed-mon-tahyt ]
/ ˈpid mɒnˌtaɪt /
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a mineral, similar to epidote but containing manganese: found in schists and manganese ores.
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Words nearby piedmontite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for piedmontite
Amongst the latter, in Shikoku, there is an extremely interesting rock consisting largely of piedmontite.
British Dictionary definitions for piedmontite
/ (ˈpiːdmɒnˌtaɪt, -mən-) /
a dark red mineral occurring in metamorphic rocks: a complex hydrated silicate containing calcium, aluminium, iron, and manganese. Formula: Ca 2 (Al,Fe,Mn) 3 (SiO 4) 3 OH
Word Origin for piedmontite
C19: from Piedmont in Italy
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