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 (lăz′yo͝o-līt′, lăz′ə-, lăzh′ə-)
A relatively rare blue mineral, (Mg, Fe)Al2(PO4)2(OH)2, with a vitreous luster.

[Medieval Latin lazulum, lapis lazuli; see lapis lazuli + -ite.]


(Minerals) a blue mineral, consisting of hydrated magnesium iron phosphate, occurring in metamorphic rocks. Formula: (Mg,Fe)Al2(PO4)2(OH)2
[C19: from Medieval Latin lāzulum azure, lapis lazuli]
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References in periodicals archive ?
Graves Mountain in Lincoln County, Georgia, is certainly one of America's most prolific mineral localities, known around the world for its unsurpassed rutile specimens, an abundance of fine lazulite, and a host of other minerals.
The tests, which started in December 2006, used a range of Thomson's solutions for mobile delivery, including the SmartVision service platform and Grass Valley Opal IP encapsulators, Argos Mobile encoders and Lazulite management systems.
During this past August's collecting season the phosphatic ironstones exposed in streambeds at Rapid Creek-Big Fish yielded about 3 flats of superb and beautiful lazulite thumbnails and miniatures, with indigo-blue, mirror-faced, form-rich, flashing lazulite crystals to more than 2 cm.
Donald Doell); Minerals of Ontario (George Thompson); Minerals of Ontario (Wendy and Frank Melanson--with an extremely detailed geologic map of the Bancroft-Wilberforce area, spotting 60 collecting localities, spread along the back of the case; you could also pick up one of these maps at the Melansons' booth); Collecting Phosphates in the Yukon (Bill and Elizabeth Moller); Yukon Phosphate Rarities (United Keno Hills Mines Limited--two amazing big lazulite specimens there); Canadian Silver (Sterling Hill, New Jersey Mining Museum); and Thunder Bay Amethyst (Sandra and Michael Grieve--proudly explicating their "Purple Haze amethyst mine" and showing off its terrific specimens).
At the Main Show, the Tyson's Minerals stand showed off sparkling, mostly thumbnail and miniature specimens of, among others, lustrous shaving-brush aggregates of acicular, deep blue gormanite crystals on beds of sharp, gemmy brown, rhombohedral siderite crystals; very lustrous, high-quality, sharp, blue-black lazulite crystals to 1.
Rubies, sapphires and green pargasites from Hunza; rubies from Azad Kashmir; pink topaz crystals from Katlang in the Mardan district, North West Frontier Province; emeralds from Swat; peridots from the Sapat Valley in Kohistan; and the remarkable, gemmy and pleochroic lazulite crystals which probably, although not certainly, come from Laila Camp in the Gilgit district .