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

Villiaumite is a rare halide mineral composed of sodium fluoride, NaF. It is very soluble in water and some specimens fluoresce under long and short wave ultraviolet light. It has a Mohs hardness of 2.5 and is usually red, pink, or orange in color. It is toxic to humans and should be handled with care. The red color is due to a broad absorption pe...
Found on
http://en.wikipedia.org/wiki/Villiaumite

Sodium fluoride
Found on
http://www.translationdirectory.com/glossaries/glossary075.htm
No exact match found.