1) Beautiful stone 2) Cubic mineral 3) Cut mineral 4) Decorative stone 5) Gemstone 6) Gemstone mineral 7) Jewel 8) Jewel mineral 9) Mineral gemstone 10) Mineral jewel 11) Polished jewel 12) Polished mineral 13) Precious gem 14) Precious gemstone 15) Prized stone 16) Precious stone 17) Prized mineral
Found on
https://www.crosswordclues.com/clue/lazurite
Lazurite is a tectosilicate mineral with sulfate, sulfur and chloride with formula: (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)]. It is a feldspathoid and a member of the sodalite group. Lazurite crystallizes in the isometric system although well formed crystals are rare. It is usually massive and forms the bulk of the gemstone lapis lazuli. Lazurite is a...
Found on
http://en.wikipedia.org/wiki/Lazurite
blue variety of the mineral sodalite (q.v.) that is responsible for the colour of lapis lazuli.[1 related articles]
Found on
http://www.britannica.com/eb/a-z/l/24
Lazurite has the formulae (Na,Ca)8(Al,Si)12O24(S,SO4) and a relative hardness of 5. It is usually a deep blue colour, the greenish variety is called lapis lazuli and is very rare. Lazurite is found in metamorphic limestones associated with calcite and pyrite.
Found on
http://www.probertencyclopaedia.com/browse/HL.HTM
No exact match found.
