1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone 5) Gemstone mineral 6) Jewel 7) Jewel mineral 8) Mineral jewel 9) Mineral gemstone 10) Monoclinic mineral 11) Polished jewel 12) Polished mineral 13) Prized stone 14) Precious stone 15) Precious jewel 16) Prized mineral 17) Precious gemstone
Found on
https://www.crosswordclues.com/clue/beryllonite
Beryllonite is a rare sodium beryllium phosphate mineral with formula NaBePO4. The tabular to prismatic monoclinic crystals vary from colorless to white or pale yellowish, and are transparent with a vitreous lustre. Twinning is common and occurs in several forms. It exhibits perfect cleavage in one direction. The hardness is 5.5 to 6 and the speci...
Found on
http://en.wikipedia.org/wiki/Beryllonite
a mineral, sodium beryllium phosphate, NaBePO, occurring in colorless or light-yellow crystals, sometimes used as a gemstone.
Found on
https://www.infoplease.com/dictionary/beryllonite
No exact match found.
