lazurite

American  

[laz-uh-rahyt, lazh-uh-] / ˈlæz əˌraɪt, ˈlæʒ ə- /

noun

1. a mineral, sodium aluminum silicate and sulfide, Na 5 Al 3 Si 3 O 12 S 3 , occurring in deep-blue crystals, used for ornamental purposes.

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lazurite British  

/ ˈlæzjʊˌraɪt /

noun

1. a rare blue mineral consisting of a sodium–calcium–aluminium silicate and sulphide: used as the gemstone lapis lazuli. Formula: (Na,Ca) 8 (AlSiO 4 ) 6 (SO 4 ,S,Cl) 2

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Etymology

Origin of lazurite

1890–95; < Medieval Latin lāzur azure + -ite ¹

Example Sentences

Roland Kröger, a physicist at the University of York, used spectroscopy to confirm the structure of two minerals, lazurite and phlogopite, that are only found together in lapis lazuli.

From New York Times

And the $127 “Lazurite statue of ‘Imperial Seal of his Majesty at Seventy’ ” from Taiwan.

From Washington Post

The pigments included cinnabar, chromium green and lazurite — a blue-green copper compound — as well as tin-lead yellow, which artists stopped using after the 19th century because of toxicity.

From New York Times

In 1828 M. Guimet succeeded in making an artificial ultramarine, known now extensively as French ultramarine, which is little, if at all, inferior in beauty to lazurite.

From Project Gutenberg

The blue and white of the polished Lazurite walls pleased the eye, as did the intricately carved sandalwood furniture and bed frame.

From Project Gutenberg