1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone 5) Gemstone mineral 6) Jewel mineral 7) Jewel 8) Mineral jewel 9) Mineral gemstone 10) Polished mineral 11) Polished jewel 12) Prized mineral 13) Precious gemstone 14) Precious gem 15) Prized stone 16) Precious stone 17) Precious jewel
Found on
https://www.crosswordclues.com/clue/smoky-quartz
Smoky quartz is a grey, translucent variety of quartz. It ranges in clarity from almost complete transparency to a brownish-gray crystal that is almost opaque. Some can also be black. Like other quartz gems, it is a silicon dioxide crystal. The smoky colour results from free silicon, formed from the silicon dioxide by natural irradiation. ==Variet...
Found on
http://en.wikipedia.org/wiki/Smoky_quartz
very common, coarse-grained variety of the silica mineral quartz (q.v.) that ranges in colour from nearly black through smoky brown. No distinct ...
Found on
http://www.britannica.com/eb/a-z/s/113
No exact match found.
