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Wavellite information


Wavellite
Wavellite cluster from Mauldin Mountain Quarries, Mauldin Mt., Montgomery County, Arkansas
General
CategoryPhosphate minerals
Formula
(repeating unit)
Al3(PO4)2(OH,F)3·5H2O
IMA symbolWav[1]
Strunz classification8.DC.50
Crystal systemOrthorhombic
Crystal classDipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space groupPcmn
Unit cella = 9.621 Å
b = 17.363 Å,
c = 6.994 Å; Z = 4
Identification
ColorGreen to yellowish-green and greenish blue and blue. and yellow, brown, white and colorless
Crystal habitSpherical, radial aggregates; striated prisms; crusty to stalactitic
Cleavage[110] perfect, [101] good, [010] distinct
FractureUneven to subconchoidal
Mohs scale hardness3.5 - 4
LusterVitreous to resinous, pearly
StreakWhite
DiaphaneityTranslucent
Specific gravity2.36
Optical propertiesBiaxial (+)
Refractive indexnα = 1.518 - 1.535 nβ = 1.524 - 1.543 nγ = 1.544 - 1.561
Birefringenceδ = 0.026
PleochroismWeak; X = greenish; Z = yellowish
2V angleMeasured: 60° to 72°
FusibilityInfusable, swells and splits on heating
SolubilityInsoluble
References[2][3][4][5]

Wavellite is an aluminium basic phosphate mineral with formula Al3(PO4)2(OH, F)3·5H2O. Distinct crystals are rare, and it normally occurs as translucent green radial or spherical clusters.[6]

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Handbook of Mineralogy
  3. ^ Webmineral
  4. ^ Mindat
  5. ^ Klein, Corneis and Cornelius S. Hurlbut, Jr., Manual of Mineralogy, Wiley, 20th ed. 1985, p. 362-3 ISBN 0-471-80580-7
  6. ^ Chisholm, Hugh, ed. (1911). "Wavellite" . Encyclopædia Britannica. Vol. 28 (11th ed.). Cambridge University Press. p. 430.

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Wavellite

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Wavellite is an aluminium basic phosphate mineral with formula Al3(PO4)2(OH, F)3·5H2O. Distinct crystals are rare, and it normally occurs as translucent...

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List of minerals

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Wardite Warikahnite Warwickite Wassonite Water (as solid) Wattersite Wavellite Weddellite Weeksite Weilite Weissite Weloganite Whewellite Whiteite (group...

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List of gemstones by species

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(idocrase) Californite (var.) Villiaumite Vivianite Vlasovite Wardite Wavellite Weloganite Whewellite Wilkeite Willemite Witherite Wollastonite Wulfenite...

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Crystal habit

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romanechite Stellate Star-like, radial fibers found inside spherical habits, such as mamillary or reniform. hematite, pectolite, shattuckite, wavellite...

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Fluorwavellite

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Al3(PO4)2(OH)2F•5H2O. As suggested by its name, it is a fluorine-analogue of wavellite (hence its name), a rather common phosphate mineral. Chemically similar...

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Phosphate mineral

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Pyromorphite Pb5(PO4)3Cl Amblygonite LiAlPO4F Lazulite (Mg,Fe)Al2(PO4)2(OH)2 Wavellite Al3(PO4)2(OH)3·5H2O Turquoise CuAl6(PO4)4(OH)8·5H2O Autunite Ca(UO2)2(PO4)2·10-12H2O...

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List of mineral symbols

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Wernerkrauseite Wkr Wiklundite Wik Wodginite Wdg Wakefieldite-(Nd) Wf-Nd Wavellite Wav Wesselsite Wes Wilancookite Wck Wöhlerite Wöh Wakefieldite-(Y) Wf-Y...

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Nelsonite

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ilmenite and apatite, with anatase, chlorite, phosphosiderite, talc and/or wavellite appearing as minor components. Rocks are equigranular with a grain size...

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Allanpringite

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analogue Al-phosphate mineral wavellite, but it has a different crystal symmetry – monoclinic instead of orthorhombic in wavellite. It forms needle-like crystals...

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Simla Conference

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1945 meeting convened to formulate the Wavellite Plan in British India...

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William Gregor

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such as the zeolites found in gabbro on The Lizard. He also analysed wavellite, tourmaline, and the uranium minerals torbernite and autunite, the arsenate...

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Uranium mining in the United States

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contained in the phosphate minerals francolite, crandallite, millisite, wavellite, and vivianite, found in Miocene and Pliocene sediments of the Bone Valley...

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Fluellite

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earlier phosphate minerals. It is found in association with fluorapatite, wavellite, phosphosiderite, strengite, aldermanite, cacoxenite, variscite, turquoise...

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Dypingite

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Color White Crystal habit Globular - spherical to rounded forms (e.g. wavellite) Tenacity Brittle Luster Pearly Streak White to gray Diaphaneity Semitransparent...

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Santabarbaraite

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a new ferric iron phosphate from Germany, and its close relation to wavellite. European Journal of Mineralogy.18, 793–801 Athens, Emily (31 May 2021)...

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Bigfork Chert

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Bigfork Chert is known to produce planerite, turquoise, variscite, and wavellite minerals. Climacograptus C. antiquus Dicellograptus D. divaricatus Diplograptus...

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Aheylite

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hydrothermal phase in a tin deposit associated with variscite, vivianite, wavellite, cassiterite, sphalerite, pyrite and quartz in the type locality. It is...

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Greifensteine

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andalusite, beryl, gypsum, haematite, muscovite, sphalerite, pyrite, topaz, wavellite and zircon, as well as various garnets, tourmalines, (dravite, elbaite...

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Taranakite

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the taranakite, dark yellow-brown seams were observed and thought to be wavellite. Modern X-ray analysis later showed this inclusion to be vashegyite...

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Paravauxite

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together in one specimen. It's a small, cavernous, mass of druzy-green wavellite. It has blue vauxite in small radial aggregates, and a singular colorless...

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Fluoride phosphate

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information, data and localities". www.mindat.org. Retrieved 2020-06-03. "Wavellite: Mineral information, data and localities". www.mindat.org. Retrieved...

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Vauxite

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alteration of apatite in hydrothermal tin veins. It is found associated with wavellite Al3(PO4)2(OH)3·5H2O, metavauxite and paravauxite at the type locality...

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Jewell Jeannette Glass

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Mineralogist. 52 (March–April): 584–588. Artz, Lena (1938). "The occurrence of wavellite, Giles County, Virginia". The American Mineralogist. 23 (10): 664–665...

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Lena Clemmons Artz

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County, Virginia. Claytonia, 5(1), 8–9. Artz, L. (1938b). Occurrence of wavellite, Giles County, Virginia. American Mineralogist, 23(10), 664–665. Artz...

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Minyulite

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phosphate. It occurs in association with dufrenite, apatite, fluellite, wavellite, variscite and leucophosphite. The mineral can be found in the underlying...

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