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 mineral 11) Polished jewel 12) Precious jewel 13) Precious stone 14) Prized mineral 15) Precious gemstone 16) Precious gem 17) Prized stone
Found on
https://www.crosswordclues.com/clue/bustamite
Bustamite is a calcium manganese inosilicate (chain silicate) and a member of the wollastonite group. Magnesium, zinc and iron are common impurities substituting for manganese. It is a polymorph of johannsenite, with bustamite as the high-temperature form of CaMnSi2O6 and johannsenite as the low temperature form. The inversion takes place at 830
Found on
http://en.wikipedia.org/wiki/Bustamite
Bustamite is a reddish-brown coloured secondary mineral usually found in manganese-bearing ore bodies. It is closely related to, but is significantly different to rhodonite, bustamite being not quite so dense and also containing calcium.
Found on
http://www.probertencyclopaedia.com/browse/HB.HTM
No exact match found.
