nLazulite(Min) A mineral of a light indigo-blue color, occurring in small masses, or in monoclinic crystals; blue spar. It is a hydrous phosphate of alumina and magnesia.
Century Dictionary and Cyclopedia
nlazuliteA mineral of a light- or indigo-blue color, crystallizing in the monoclinic system. It is a hydrous phosphate of aluminium, magnesium, and iron. Also called azurite (true azurite is the blue carbonate of copper), blue spar, and blue feldspar.
Chambers's Twentieth Century Dictionary
nLazulitelaz′ū-līt a mineral of a light, indigo-blue colour, occurring in quartz and in clay-slate.
Webster's Revised Unabridged Dictionary
From lazuli, : cf. F. lazulite, G. lazulith,
Also a name of lazulite.
"The New Gresham Encyclopedia. Vol. 1 Part 3" by Various