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Berlinite information


Berlinite
Synthetic berlinite
General
CategoryPhosphate mineral
Formula
(repeating unit)		AlPO4
IMA symbolBer[1]
Strunz classification8.AA.05
Crystal systemTrigonal
Crystal classTrapezohedral (32)
H-M symbol: (32)
Space groupP3121, P3221
Unit cella = 4.941 Å, c = 10.94 Å; Z = 3
Identification
ColorColorless, pale gray, may be pale rose
Crystal habitTypically granular to massive
TwinningSubparallel lamellae
FractureConchoidal
Mohs scale hardness6.5
LusterVitreous
DiaphaneityTransparent to translucent
Specific gravity2.64–2.66
Optical propertiesUniaxial (+)
Refractive indexnω = 1.524 nε = 1.532
Birefringenceδ = 0.008
References[2][3][4]

Berlinite (aluminium phosphate, chemical formula AlPO4 or Al(PO4)) is a rare high-temperature hydrothermal or metasomatic phosphate mineral.[5] It has the same crystal structure as quartz with a low temperature polytype isostructural with α–quartz and a high temperature polytype isostructural with β–quartz.[3] Berlinite can vary from colorless to greyish or pale pink and has translucent crystals.[3]

It was first described in 1868 for an occurrence in the Västanå iron mine, Scania, Sweden and named for Nils Johan Berlin (1812–1891) of Lund University.[2][3]

It occurs as a rare mineral in high-temperature hydrothermal or metasomatic deposits.[2] Associated minerals include augelite, attakolite, kyanite, pyrophyllite, scorzalite, lazulite, gatumbaite, burangaite, amblygonite, phosphosiderite, purpurite, apatite, muscovite, quartz, hematite in granite pegmatites. It also occurs with alunite, aragonite, collophane, crandallite, francoanellite, gypsum, huntite, hydromagnesite, leucophosphite, nesquehonite, niter, and nitrocalcite in the Paddy's River copper mine in the Brindabella Mountains of Australia.[2][3]

  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. ^ a b c d Handbook of Mineralogy
  3. ^ a b c d e Mindat.org
  4. ^ Webmineral data
  5. ^ Barthelmy, Dave. "Berlinite Mineral Data". webmineral.com. Retrieved 2018-05-18.

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Berlinite

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Berlinite (aluminium phosphate, chemical formula AlPO4 or Al(PO4)) is a rare high-temperature hydrothermal or metasomatic phosphate mineral. It has the...

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Aluminium phosphate

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phosphate is a chemical compound. In nature it occurs as the mineral berlinite. Many synthetic forms of aluminium phosphate are known. They have framework...

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Mohs scale

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rhodium 6-6.5 Rutile, pyrite 6.5 Silicon, iridium, baddeleyite, chloritoid, berlinite, cuprospinel 6.5-7 Peridot, jadeite 7 Quartz (including amethyst and citrine)...

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Lazulite

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corundum, muscovite, pyrophyllite, dumortierite, wagnerite, svanbergite and berlinite in metamorphic terrains; and with albite, quartz, muscovite, tourmaline...

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List of minerals

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Becquerelite Benitoite Benstonite Bentorite Beraunite Berborite Bergenite Berlinite Berryite Berthierite Bertrandite Beryl Beryllonite Beudantite Bicchulite...

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Piezoelectricity

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quartz-analogous crystal Lithium niobate (LiNbO3) Lithium tantalate (LiTaO3) Quartz Berlinite (AlPO4) – a rare phosphate mineral that is structurally identical to quartz...

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List of mineral symbols

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Barahonaite-(Fe) Bho-Fe Bergslagite Bgl Bohseite Bhs Buchwaldite Bwa Bararite Brr Berlinite Ber Bohuslavite Bhv Buckhornite Bhr Baratovite Btv Bermanite Brm Bojarite...

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Phosphate mineral

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without H2O 08.AA With small cations (some also with larger ones): 05 Berlinite, 05 Rodolicoite; 10 Beryllonite, 15 Hurlbutite, 20 Lithiophosphate, 25...

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Crystal oscillator

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single crystals of lithium tantalate, lithium niobate, lithium borate, berlinite, gallium arsenide, lithium tetraborate, aluminium phosphate, bismuth germanium...

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Boron phosphate

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obtained a compound isomorphic with α-quartz. The structure of AlPO4, berlinite, is isomorphous with α-quartz. It is used as a catalyst for dehydration...

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Augelite

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association with attakolite, svanbergite, lazulite, hematite, trolleite, berlinite, rutile, pyrophyllite, baryte, arsenopyrite, stannite, pyrite, andorite...

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Scorzalite

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include souzalite, triphylite, wyllieite, trolleite, apatite, lacroixite, berlinite, tourmaline, muscovite, feldspar and quartz. Warr, L.N. (2021). "IMA–CNMNC...

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Nils Johan Berlin

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earths, having devised means of separating yttrium and erbium. The mineral berlinite (a type of aluminium phosphate) is named after him. Berlin became a member...

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