Movatterモバイル変換

[0]ホーム
URL:

Log InRegister
AboutSupport UsPhotosDiscussionsSearchLearnMore
Quick Links :The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Evansite

A valid IMA mineral species - grandfathered
This page is currently not sponsored.Click here to sponsor this page.
Photos of Evansite (79)Discuss Evansite
Evansite GallerySearch Photos of Evansite
EditAdd SynonymEdit CIF structuresClear Cache
A secondary amorphous mineral commonly occurring with limonite and allophane.
Needs modern reinvestigation.


Unique Identifiers

IMA Formula:
Al3(PO4)(OH)6 · 8H2O
First published:
1864
Type description reference:
Forbes, D. (1864) On evansite, a new mineral species. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: 28: 341-346.

Classification of Evansite

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
F : With only medium-sized cations, (OH,etc.):RO4 > 3:1

Dana 8th ed.:
42.1.2.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
1 : A3(XO4)Zq·xH2O
Hey's CIM Ref.:
19.7.9

19 : Phosphates
7 : Phosphates of Al alone

Mineral Symbols
Transparency:
Transparent, Translucent
Comment:
Lustre inclines toward resinous or waxy.
Colour:
Colourless, milk-white, lightly tinted blue, green or yellow at times; brown, reddish-brown, or red due to FeO inclusions; colourless to brown in transmitted light
Streak:
White; lightly tinted.
Hardness:
3½ - 4 onMohs scale
Tenacity:
Very brittle
Fracture:
Conchoidal
Density:
1.8 - 2.2 g/cm3 (Measured)    
Comment:
Density usually about 1.9.

Optical Data of Evansite
Common Impurities:
Cu,Pb

Crystallography of Evansite
General Appearance of Type Material:
Incrustations in cavities in limonite. Small reniform or globular stalactites; pearl-like.
Place of Conservation of Type Material:
Narodni Museum, Prague, Czech Republic, 1935-26572; Harvard University, Cambridge, Massachusetts, USA, 110880.
Associated Minerals at Type Locality:
AllophaneLimoniteVariscite
Reference:
Forbes, D. (1864) On evansite, a new mineral species. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: 28: 341-346.

Other Language Names for Evansite

Common AssociatesOrth. 222 :P2121218.DF.KernowiteCu2Fe(AsO4)(OH)4 · 4H2OMon.8.DF.05HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2OTric.8.DF.10Liskeardite[(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2OMon.8.DF.10Rosièresite(Pb, Cu, Al, P, O, H)Amor.8.DF.10BolivariteAl2(PO4)(OH)3 · 4-5H2OAmor.8.DF.15Rusakovite(Fe3+,Al)5(VO4,PO4)2(OH)9 · 3H2O8.DF.20LiroconiteCu2Al(AsO4)(OH)4 · 4H2OMon. 2/m8.DF.25SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2OMon. 2/m :B2/m8.DF.30ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2OTrig.3 :R38.DF.35ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2OOrth.mm2 :Pmn218.DF.40GladiusiteFe2(Fe,Mg)4(PO4)(OH)11(H2O)Mon. 2/m8.DF.50ForêtiteCu2Al2(AsO4)(OH,O,H2O)6Tric.1 :P1

Fluorescence of Evansite

Other Information
Search Engines:
  • Look for Evansite on Google
  • Look for Evansite images on Google
  • Look for Evansite on Bing
  • Look for Evansite images on Bing
  • Look for Evansite on DuckDuckGo
  • Look for Evansite images on DuckDuckGo
  • Look for Evansite in the Rock H. Currier Digital Library
    • External Links:
  • Look for Evansite on Webmineral
  • Look for Evansite on Wikipedia
  • Look for Evansite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • References and PDF downloads at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Handbook of Mineralogy page PDF
    • Mineral Dealers:
  • The Arkenstone - Fine Minerals
  • High-end worldwide specimens & outstanding customer service
  • Blue Gems Australian & International
  • Buy rare minerals from Excalibur Minerals
  • Buy from McDougall Minerals

    • References for EvansiteⓘTom's QuarryPeter Keller CollectionPalache et al. (1951)
    Austria
     
    Exel (1993)
    Belgium
     
    Van Tassel R. (1959)+4 other referencesHatert et al. (2002)Collection Arliguie MVan Tassel (1959)+1 other reference
    Bolivia
     
    Wilson (2001)+1 other reference
    China
     
    Nansheng Chen (1996)Hunan 230 Laboratory et al. (1976)Nansheng Chen (1996)Shen (n.d.)Nansheng Chen (1996)Rock Currier specimens
    Czech Republic
     
    Prachař+6 other referencesPalache et al. (1951)PaulišPelíšek J.: Některé nové minerály ...Velebil+5 other referencesKovár (1896)+1 other reference
    DR Congo
     
    Van Wambeke (1971)+1 other reference
    France
     
    Delfour (2007)Palache et al. (1951)Moëlo et al. (2006)
    Germany
     
    Emser Hefte 1988 (4)
    Hungary
     
    Elsholtz et al. (1974)
    Israel
     
    Weiner et al. (1993)
    Japan
     
    Akira Kato (1973)
    Kazakhstan
     
    Ankinovich et al. (1997)
    Madagascar
     
    Lacroix (1922)+1 other referenceBehier (1963)
    Portugal
     
    Nunes (n.d.)Mineral identification (method unknown)Alves (n.d.)
    Romania
     
    Palache et al. (1951)Palache et al. (1951)minerals-of-the-carpathians.eu (2008)
    Russia
     
    Pekov (1998)
    Slovakia
     
    PaulišKodě+1 other referencePalache et al. (1951)+1 other referencelení Národního muzea v Praze+2 other referencesKoděra (1986)Koděra (1986)Duda+1 other referenceKoděra (1986)Koděra (1986)
    South Africa
     
    Martini et al. (1978)Martini et al. (1978)Martini et al. (1978)Martini et al. (1978)
    Spain
     
    Rosell-Riba et al. (2022)Bareche (2005)Mata i Perelló (1990)Mineralogistes de Catalunya (1997)Palache et al. (1951)Calvo et al. (2003)
    UK
     
    Woodward A S (1884)+1 other referenceAlysson Rowan collection
    USA
     
    Palache et al. (1951)+1 other referencePalache et al. (1951)+1 other referenceHoward+1 other referencePalache et al. (1951)+1 other referenceKing et al. (1994)Williams (1979)Hawley (1934)
    Venezuela
     
    Franco Urbani (2009)
    Quick NavTopAbout EvansiteUnique IdentifiersIMA ClassificationClassificationMineral SymbolsPhysical PropertiesOptical DataChemistryCrystallographyX-Ray Powder DiffractionGeological EnvironmentType OccurrenceOther LanguagesCommon AssociatesStrunz-MindatFluorescenceOther InformationInternet LinksReferencesLocalitiesLocality List
     
    and/or 
    Mindat.org is an outreach project of theHudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
    Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 byJolyon Ralph.
    To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.doi:10.2138/am-2024-9486.
    Privacy Policy -Terms & Conditions -Contact Us / DMCA issues -Report a bug/vulnerabilityCurrent server date and time: November 28, 2025 21:06:38 Page updated: November 13, 2025 19:35:34