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

Chambersite is a manganese borate mineral with formula:Mn3B7O13Cl. It is a member of the borate mineral series that includes other minerals such as ericacite, Fe3B7O13Cl, and boracite Mg3B7O13Cl. When chambersite was first discovered, it was the second chemical analogue of boracite to be found in nature. It was discovered as a mineral at Barber`s....
Found on
http://en.wikipedia.org/wiki/Chambersite
No exact match found.