Tag: tectosilicates
Lazurite thin section
Lazurite/Lazulite - from Persian lazhward (= blue). Lapis lazuli - from Latin for stone and Persian lazhward, meaning blue color.
Formula: Na6Ca2(Al6Si6O24)(SO4,S,S2,S3,Cl,OH)2
System: Cubic (Isometric)
Color: Ultramarine,...