Definitions for rock crystal
This page provides all possible meanings and translations of the word rock crystal
Random House Webster's College Dictionary
transparent quartz, esp. when colorless.
Origin of rock crystal:
rock crystal, transparent quartz(noun)
a clear quartz used in making electronic and optical equipment
clear, colourless form of the silica-based mineral quartz, often called "pure quartz" or "clear quartz".
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"rock crystal." Definitions.net. STANDS4 LLC, 2014. Web. 20 Oct. 2014. <http://www.definitions.net/definition/rock crystal>.