Difference between revisions of "Chalcedony"
From WebRef.orgJump to navigationJump to search
|Line 2:||Line 2:|
Revision as of 09:03, 3 September 2019
a semi-translucent silicate (quartz) rock with a wax-like luster and a great range of colors, used as raw material for the manufacture of chipped stone artifacts. Commonly called agate.
Sponsor: Download ISO 9000:2015 Standards from ANSI