Log InRegister
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 Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Uranopilite

A valid IMA mineral species - grandfathered
This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About UranopiliteHide

Formula:
(UO2)6(SO4)O2(OH)6 · 14H2O
Water content appears to be variable (12-14H2O).
Colour:
Bright yellow, straw-yellow; colourless to light yellow in transmitted light.
Lustre:
Silky, Earthy
Specific Gravity:
3.7 - 4.0
Crystal System:
Triclinic
Name:
The name reflects its composition and habit, containing URANium plus Greek πίλος = "PILos" "felt", alluding to its felt-like appearance.
May dehydrate to Meta-uranopilite.


Unique IdentifiersHide

Mindat ID:
4108
Long-form identifier:
mindat:1:1:4108:5
GUID
(UUID V4):
de94cab5-1dfc-48f8-896c-ab7576483a1e

Classification of UranopiliteHide

Approved, 'Grandfathered' (first described prior to 1959)
7.EA.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
E : Uranyl sulfates
A : Without cations
31.2.6.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)6(XO4)Zq·xH2O
25.8.9

25 : Sulphates
8 : Sulphates of Sb, V, Cr and U

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
UpIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of UranopiliteHide

Silky, Earthy
Transparency:
Translucent
Colour:
Bright yellow, straw-yellow; colourless to light yellow in transmitted light.
Comment:
Soft
Cleavage:
Perfect
On {010}, perfect.
Density:
3.7 - 4.0 g/cm3 (Measured)    3.74 g/cm3 (Calculated)

Optical Data of UranopiliteHide

Type:
Biaxial (+)
RI values:
nα = 1.621 - 1.623 nβ = 1.623 - 1.625 nγ = 1.632 - 1.634
2V:
Measured: 50° , Calculated: 52°
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v to r < v strong
Pleochroism:
Visible
Comments:
X = colorless; Y = Z = yellow.

Chemical Properties of UranopiliteHide

Formula:
(UO2)6(SO4)O2(OH)6 · 14H2O

Water content appears to be variable (12-14H2O).

Crystallography of UranopiliteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.896(2) Å, b = 14.029(3) Å, c = 14.339(3) Å
α = 96.610(4)°, β = 98.472(4)°, γ = 99.802(4)°
Ratio:
a:b:c = 0.634 : 1 : 1.022
Unit Cell V:
1,726.03 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Occurs as velvety incrustations and globular or reniform masses comprised of microscopic needles or laths, elongated [001] and flattened {010}.
Comment:
Originally assumed to be monoclinic, a = 14.03(1) Å, b = 14.60(1) Å, c = 9.184(6) Å, β = 96.87(6)°.

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File    Best | x | y | z | a | b | c
Rotation
Stop | Start
Labels
Console Off | On | Grey | Yellow
IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005730UranopiliteBurns P C (2001) A new uranyl sulfate chain in the structure of uranopilite The Canadian Mineralogist 39 1139-114620010293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.18 Å(80)
7.12 Å(100)
5.51 Å(40)
4.28 Å(80)
3.65 Å(50)
3.31 Å(40)
2.99 Å(30)
Comments:
Wheal Owles, England.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]
47f : [Uranyl (U⁶⁺) minerals]
Stage 10b: Anthropogenic minerals<10 Ka
55 : Anthropogenic mine minerals

Type Occurrence of UranopiliteHide

Place of Conservation of Type Material:
Technische Universität, Bergakademie, Freiberg, Germany, numbers 18738, 18742, 18743 (type)
Universität Göttingen, Göttingen, Germany, number GZG.MIN.6.4.98.3. (type).
Associated Minerals at Type Locality:
Reference:
Weisbach A. (1882) Mineralogische Notizen II. 17. Uranocher, Neues Jahrbuch für Mineralogie, Bd. 2, 258-259.

Synonyms of UranopiliteHide

Other Language Names for UranopiliteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
11 photos of Uranopilite associated with ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
9 photos of Uranopilite associated with GypsumCaSO4 · 2H2O
8 photos of Uranopilite associated with UraniniteUO2
5 photos of Uranopilite associated with Zippeite Group
4 photos of Uranopilite associated with Rutherfordine(UO2)CO3
4 photos of Uranopilite associated with MetalodèviteZn(UO2)2(AsO4)2 · 10H2O
4 photos of Uranopilite associated with AlbiteNa(AlSi3O8)
4 photos of Uranopilite associated with PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
2 photos of Uranopilite associated with ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
2 photos of Uranopilite associated with JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O

Related Minerals - Strunz-mindat GroupingHide

7.EA.Scenicite[(UO2)(H2O)2(SO4)]2 · 3H2OOrth. mm2 : Pca21
7.EA.05Metauranopilite(UO2)6(SO4)(OH)10 · 5H2O
7.EA.10Jáchymovite(UO2)8(SO4)(OH)14 · 13H2OMon. 2/m : P21/m
7.EA.15Shumwayite(UO2)2(SO4)2 · 5H2OMon. 2/m : P21/b

Fluorescence of UranopiliteHide

Bright yellowish-green (UV).

Other InformationHide

Notes:
Radioactive
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for UranopiliteHide

References for UranopiliteHide

Reference List:

Localities for UranopiliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Mendoza Province
    • Malargüe Department
      • Pampa Amarilla mining district
Australia
 
  • Northern Territory
    • Coomalie Shire
      • Batchelor
        • Rum Jungle
    • West Arnhem Region
      • Kakadu
        • Ranger Mine
      • South Alligator River
Austria
 
  • Carinthia
    • Sankt Veit an der Glan District
      • Hüttenberg
Canada
 
  • Ontario
  • Saskatchewan
    • Beaverlodge Lake area
China
 
  • Hunan
    • Chenzhou
      • Suxian District
  • Inner Mongolia
    • Alxa League (Alashan Prefecture)
      • Alxa Left Banner (Alashan Zuoqi)
        • Jilantai
  • Shaanxi
    • Xi'an
      • Lantian County
Czech Republic
 
  • Central Bohemian Region
      • Háje
      • Příbram
        • Březové Hory
          • Březové Hory deposit
  • Karlovy Vary Region
    • Karlovy Vary District
        • Rovnost Mine (Werner Mine)
    • Sokolov District
      • Horní Slavkov
  • Liberec Region
  • Olomouc Region
    • Jeseník District
      • Javorník
        • Zálesí
  • Plzeň Region
    • Plzeň-South District
      • Prádlo
  • South Bohemian Region
    • Písek District
      • Kovářov
        • Předbořice
  • Vysočina Region
    • Žďár nad Sázavou District
      • Nové Město na Moravě
      • Rožná
DR Congo
 
  • Haut-Katanga
    • Kambove Territory
      • Shinkolobwe
Egypt
 
  • Red Sea Governorate
Europe
 
  • Ore Mountains
France
 
  • Auvergne-Rhône-Alpes
    • Loire
      • Roanne
        • Saint-Priest-la-Prugne
          • Les Bois-Noirs Mining Claim
    • Puy-de-Dôme
      • Thiers
        • Lachaux
  • Bourgogne-Franche-Comté
    • Nièvre
      • Château-Chinon
        • Dommartin
    • Saône-et-Loire
      • Charolles
        • Grury
  • Brittany
    • Morbihan
      • Pontivy
        • Berné
        • Guern
  • Nouvelle-Aquitaine
    • Corrèze
      • Ussel
        • Davignac
    • Deux-Sèvres
      • Bressuire
        • Mauléon
          • La Chapelle-Largeau
    • Haute-Vienne
      • Limoges
        • Saint-Sylvestre
  • Occitanie
    • Hérault
      • Lodève
        • Le Bosc
        • Le Puech
        • Lodève
  • Pays de la Loire
    • Loire-Atlantique
      • Nantes
        • Gétigné
Gabon
 
  • Haut-Ogooué Province
    • Léboumbi-Leyou Department
      • Mounana
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Waldshut
        • St Blasien
          • Menzenschwand
    • Karlsruhe Region
      • Baden-Baden
        • Müllenbach U deposit
  • Bavaria
    • Upper Palatinate
      • Schwandorf District
        • Schwarzach bei Nabburg
          • Wölsendorf
        • Stulln
  • Rhineland-Palatinate
    • Birkenfeld
      • Birkenfeld
        • Ellweiler
  • Saxony-Anhalt
  • Saxony
    • Erzgebirgskreis
      • Annaberg-Buchholz
        • Kleinrückerswalde
      • Schneeberg
        • Neustädtel
          • Weißer Hirsch Mine (shaft 3)
      • Schwarzenberg
    • Sächsische Schweiz-Osterzgebirge
      • Altenberg
  • Thuringia
    • Altenburger Land District
      • Löbichau
    • Greiz District
Hungary
 
  • Baranya County
    • Pécs District
      • Kővágótöttös
Italy
 
  • Lombardy
    • Bergamo Province
      • Valgoglio
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Montescheno
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • Trento Province (Trentino)
      • Bocenago
        • Monte Toff
      • Borgo Chiese
        • Condino
Japan
 
  • Tottori Prefecture
    • Tōhaku District
      • Yurihama
Poland
 
  • Lower Silesian Voivodeship
    • Kłodzko County
      • Gmina Stronie Śląskie
    • Lwówek Śląski County
      • Gmina Lubomierz
Romania
 
  • Suceava County
Slovakia
 
  • Košice Region
    • Spišská Nová Ves District
      • Hnilec
Slovenia
 
  • Gorenja Vas–Poljane
Spain
 
  • Andalusia
    • Córdoba
      • Cardeña
  • Catalonia
    • Lleida
      • El Pallars Jussà
        • La Vall Fosca
          • La Torre de Cabdella
            • Castell-estaó
  • Extremadura
    • Badajoz
      • La Haba
      • Quintana de la Serena
Switzerland
 
  • Valais
    • Saint-Maurice
      • Salvan
        • Les Marécottes
          • La Creusaz
Tajikistan
 
  • Sughd
    • Ghafurov District
      • Adrasmon (Adrasman)
UK
 
  • England
    • Cornwall
        • Botallack
        • Pendeen
USA
 
  • Arizona
    • Cochise County
      • Bisbee
    • Navajo County
      • Boot Mesa
  • Colorado
    • Jefferson County
      • Ralston Buttes Mining District
    • Mesa County
      • Gateway Mining District
        • Beaver Mesa
    • Montrose County
    • Saguache County
      • Cochetopa Mining District (Cochetopa Creek Mining District)
    • San Miguel County
  • Nevada
    • Lander County
      • Reese River Mining District
  • New Jersey
    • Morris County
      • Mount Olive
        • Mount Olive
  • New Mexico
    • Cibola County
    • McKinley County
      • Ambrosia Lake subdistrict
      • Smith Lake subdistrict
  • Utah
    • Emery County
      • San Rafael Swell Mining District
    • Piute County
      • Marysvale Mining District
        • Prospector Mine
    • San Juan County
      • La Sal Creek Mining District
      • White Canyon Mining District
        • Fry Mesa
    • Wayne County
 
and/or  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, 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 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 8, 2024 05:34:37 Page updated: July 30, 2023 19:51:35
Go to top of page