
1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Jewel mineral 7) Jewel 8) Mineral gemstone 9) Mineral jewel 10) Polished mineral 11) Polished jewel 12) Prized mineral 13) Precious stone 14) Precious gemstone 15) Prized stone 16) Precious jewel 17) Precious gem
Found on
https://www.crosswordclues.com/clue/tugtupite

Tugtupite is a beryllium aluminium tectosilicate. It also contains sodium and chlorine and has the formula Na4AlBeSi4O12Cl. Tugtupite is a member of the silica deficient feldspathoid mineral group. It occurs in high alkali intrusive igneous rocks. Tugtupite is tenebrescent, sharing much of its crystal structure with sodalite, and the two minerals ...
Found on
http://en.wikipedia.org/wiki/Tugtupite
No exact match found.