amblygonite

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am·blyg·o·nite

(ăm-blĭg′ə-nīt′)

A white or greenish mineral, (Li,Na)Al(PO₄)(F,OH), that is an important source of lithium.

[German Amblygonit, from Greek amblugōnios, obtuse-angled : amblus, blunt; see mel- in Indo-European roots + gōniā, angle; see genu- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

amblygonite

(æmˈblɪɡəˌnaɪt)

(Minerals) a white or greyish mineral consisting of lithium aluminium fluorophosphate in triclinic crystalline form. It is a source of lithium. Formula: (Li,Na)Al(PO4)(F,OH)

[C16: from Greek amblugōnios, from amblus blunt + gōnia angle; referring to the obtuse angles in its crystals]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

am•blyg•o•nite

(æmˈblɪg əˌnaɪt)

n.

a mineral, a lithium aluminum fluorophosphate, Li(AlF)PO₄, an ore of lithium.

[1840–50; < Greek amblygṓn(ios) obtuse-angled]

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Noun

amblygonite - a white or grey mineral consisting of lithium aluminum phosphate; a source of lithium

atomic number 3, Li, lithium - a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals

mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition

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References in periodicals archive ?

The ghostly prospect, as lit by our headlamps, showed a strange world of crevices running along layers of pale-colored amblygonite. Non gemstone-bearing schist and more promising pegmatite alternated in narrow layers, both now being excavated.

Memoirs of a mineral collector--part 4: a final visit to Minas Gerais: 2009

This means that the emphasis will switch from mineral concentrates (spodumene and, to a lesser extent, petalite, lepidolite, amblygonite, and montebrasite and its chemical derivatives) to brines yielding mainly lithium carbonate.

Chilean lithium

Especially since World War II, the pegmatites of the state of Minas Gerais have yielded some of the world's finest specimens of topaz, chrysoberyl, euclase, elbaite, and beryl (in all of its colored varieties); phosphate-rich pegmatites of the same state have furnished the world's finest specimens of brazilianite, beryllonite, eosphorite, hydroxylherderite, amblygonite and more; complex pegmatites of other kinds have provided cassiterite, xenotime, monazite and several rare-earth species; Brazilian specimens of titanite, phenakite, fluorapatite, kyanite, scheelite, spessartine and bertrandite are among the world's very best.

Minerals & Precious Stones of Brazil

dollars, 1987-1992) of the gem materials; the other lists 28 "non-traditional gemstones," amblygonite to willemite, with generous mineralogical, optical and geological/genetic data.

Geology of Gems

He also had two specimens of amblygonite on albite matrix from Arqueana, Torquaral Aministraes, Brazil.

Sainte-Marie aux Mines show 2003

Hawthorneden had a nice selection of a hard-to-get species, amblygonite from Brazil.

1998

Lithiophilite is the principal primary phosphate mineral (Shigley and Brown, 1985), but amblygonite, triplite, and triphylite (possibly misidentified lithiophilite, A.

Gem and rare-element pegmatites of Southern California

Minerals in the pegmatite are: quartz, microcline, muscovite, albite, amblygonite, "apatite," beryl, uraninite, elbaite, members of the tantalite group, secondary uranium minerals, triphylite, triplite, purpurite, rockbridgeite, tavorite, barbosalite, hureaulite, eosphorite, phosphosiderite, carlhintzeite, colquirite, pachnolite, ralstonite and fluellite.