Lazurite | #Geology #GeologyPage Chemical Formula: - TopicsExpress



          

Lazurite | #Geology #GeologyPage Chemical Formula: (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)] Locality: District of Badakhshan, Afghanistan. Name Origin: From the Persian lazward - blue. 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. Read more : geologypage/2014/05/lazurite.html Geology Page geologypage
Posted on: Sat, 13 Dec 2014 08:00:01 +0000

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