a rose-red to pink variety of crystalline quartz usually found in massive form and used as a gem or ornamental stone.
Origin of rose quartz
First recorded in 1810–20
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British Dictionary definitions for rose quartz
a rose-pink often translucent variety of quartz that is used for ornaments
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