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单词 lazulite
释义

lazulite

enUK

laz·u·lite

L0080700 (lăz′yo͝o-līt′, lăz′ə-, lăzh′ə-)n. 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.]

lazulite

(ˈlæzjʊˌlaɪt) n (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]

Lazulite

enUK

lazulite

[′laz·ə‚līt] (mineralogy) (Mg,Fe)Al2(OH)2(PO4)2 A violet-blue or azure-blue mineral with vitreous luster; composed of basic aluminum phosphate and occurring in small masses or monoclinic crystals; hardness is 5-6 on Mohs scale, and specific gravity is 3.06-3.12. Also known as berkeyite; blue spar; false lapis.

Lazulite

 

a mineral, a phosphate of magnesium, iron, and aluminum; its chemical composition is (Mg, Fe2+) A12 [P04]2(OH)2. Lazulite crystallizes in the monoclinic system, forming dark blue acicular crystals of dipyramidal form. It sometimes occurs in granular aggregates in association with quartz and other minerals. Its hardness is 5–6 on Mohs’ scale, and its density is 3,100 kg/M3. Lazulite is encountered in the contact zones of pegmatites, in quartz veins, in quartzite and metamorphic rocks, and in association with corundum, rutile, kyanite, and other minerals.

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