
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 jewel 11) Polished mineral 12) Precious gem 13) Precious stone 14) Precious jewel 15) Prized stone 16) Precious gemstone 17) Prized mineral
Found on
https://www.crosswordclues.com/clue/shungite

Shungite is a black, lustrous, non-crystalline mineraloid consisting of more than 98 weight percent of carbon. It was first described from a deposit near Shun`ga village, in Karelia, Russia, from where it gets its name. Shungite has been reported to contain fullerenes. ==Terminology== The term `shungite` was originally used in 1879 to describe ......
Found on
http://en.wikipedia.org/wiki/Shungite
No exact match found.