[laz-uh-lahyt, lazh-uh-]
an azure-blue mineral, hydrous magnesium iron aluminum phosphate, (FeMg)Al 2 P 2 O 8 (OH) 2 .

1800–10; < Medieval Latin lāzul(um) azure, lapis lazuli + -ite1

lazulitic [laz-uh-lit-ik, lazh-uh-] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
lazulite (ˈlæzjʊˌlaɪt)
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]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica


phosphate mineral, a basic magnesium and aluminum phosphate [MgAl2 (PO4)2(OH)2], that often occurs as blue, glassy crystals, grains, or masses in granite pegmatites, aluminous metamorphic rocks and quartzites, and quartz veins. It is found in Werfen, Austria; Vastara, Sweden; Mocalno, Calif., U.S.; and Minas Gerais, Brazil.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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