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

Danburite is a calcium boron silicate mineral with a chemical formula of CaB2(SiO4)2. It has a Mohs hardness of 7 to 7.5 and a specific gravity of 3.0. The mineral has an orthorhombic crystal form. It is usually colourless, like quartz, but can be also either pale yellow or yellowish-brown. It typically occurs in contact metamorphic rocks. The Dan...
Found on
http://en.wikipedia.org/wiki/Danburite

• (n.) A borosilicate of lime, first found at Danbury, Conn. It is near the topaz in form.
Found on
http://thinkexist.com/dictionary/meaning/danburite/
Dan'bu·rite noun (Min.) A borosilicate of lime, first found at
Danbury , Conn. It is near the topaz in form.
Dana. Found on
http://www.encyclo.co.uk/webster/D/4

Danburite is a mineral and gemstone which occurs with feldspar in dolomite, granite pegmatites, and non-marine evaporates. It is commonly associated with apophyllite, cassiterite, calcite, chalcopyrite, corundum, fluorite, pyrite, sphalerite and quartz. Danburite is a borosilicate of calcium and has the formulae CaB2(Si2O4)2 and a relative hardness...
Found on
http://www.probertencyclopaedia.com/browse/HD.HTM
No exact match found.