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Autunite (Autunit)

Pictures (254 Images total)

Torbernit auf Autunit
Views (File:
1686506113
): 2503, Rating: 9.7
Torbernit auf Autunit
Epitaxie von Torbernit auf Autunit; Fundort: Hagendorf Süd, Waidhaus, Oberpfalz, Bayern, Deutschland; Bildbreite 0,84 mm; Bestimmung: visuell
Copyright: Josef 84,55; Contribution: Josef 84,55
Collection: Josef 84,55
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Neustadt an der Waldnaab, Landkreis/Waidhaus/Hagendorf/Hagendorf-Süd (Grube Cornelia)
Mineral: Autunite
Encyclopedia: Epitaxie
Image: 1686506113
Rating: 9.7 (votes: 10)
License: Usage for Mineralienatlas project only
Torbernit auf Autunit

Epitaxie von Torbernit auf Autunit; Fundort: Hagendorf Süd, Waidhaus, Oberpfalz, Bayern, Deutschland; Bildbreite 0,84 mm; Bestimmung: visuell
Collection: Josef 84,55
Copyright: Josef 84,55
Contribution: Josef 84,55 2023-06-11
Locality: Hagendorf-Süd (Grube Cornelia) / Hagendorf / Waidhaus / Neustadt an der Waldnaab, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Autunit
Views (File:
1509643388
): 3756, Rating: 9.67
Autunit
Autunit aus Sabugal, Portugal. Bildbreite 4 mm.
Copyright: Frédéric Hède; Contribution: Klaus Schäfer
Collection: Frédéric Hède
Location: Portugal/Guarda, Distrikt/Sabugal
Mineral: Autunite
Image: 1509643388
Rating: 9.67 (votes: 6)
License: Usage for Mineralienatlas project only
Autunit

Autunit aus Sabugal, Portugal. Bildbreite 4 mm.
Collection: Frédéric Hède
Copyright: Frédéric Hède
Contribution: Klaus Schäfer 2017-11-02
Locality: Sabugal / Guarda, Distrikt / Portugal
Autunit
Views (File:
1319361385
): 9693
Autunit
Größe: 1,65 mm; Fundort: Assuncao Aldaia Nova, Provinz Gruarda, Portugal
Copyright: Enrico Bonacina; Contribution: Hg
Location: Portugal/Viseu, Distrikt/Sátão/Ferreira de Aves/Aldeia Nova/Assuncao Mine
Mineral: Autunite
Image: 1319361385
Rating: 9.67 (votes: 3)
License: Usage for Mineralienatlas project only
Autunit

Größe: 1,65 mm; Fundort: Assuncao Aldaia Nova, Provinz Gruarda, Portugal
Copyright: Enrico Bonacina
Contribution: Hg 2011-10-23
Locality: Assuncao Mine / Aldeia Nova / Ferreira de Aves / Sátão / Viseu, Distrikt / Portugal
Autunit
Views (File:
1238935259
): 7063
Autunit
Bildbreite: 6 mm; Fundort: Mount Spokane, Spokane Co., Washington, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Washington/Spokane Co./Mount Spokane
Mineral: Autunite
Image: 1238935259
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Autunit

Bildbreite: 6 mm; Fundort: Mount Spokane, Spokane Co., Washington, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2009-04-05
Locality: Mount Spokane / Spokane Co. / Washington / USA
Autunit xx
Views (File:
1545765879
): 1982
Autunit xx
FO: Assuncao/Portugal; BB ca. 13mm
Copyright: etalon; Contribution: etalon
Collection: etalon
Location: Portugal/Viseu, Distrikt/Sátão/Ferreira de Aves/Aldeia Nova/Assuncao Mine
Mineral: Autunite
Image: 1545765879
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Autunit xx

FO: Assuncao/Portugal; BB ca. 13mm
Collection: etalon
Copyright: etalon
Contribution: etalon 2018-12-25
Locality: Assuncao Mine / Aldeia Nova / Ferreira de Aves / Sátão / Viseu, Distrikt / Portugal
Autunit
Views (File:
1682618638
): 257
Autunit
Grube Roland Brensdorf, Autunit, Bb. 10mm, Haldenfund 2023.
Copyright: waldi; Contribution: waldi
Collection: waldi
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Schwandorf, Landkreis/Wölsendorf, Revier/Brensdorf/Grube Roland
Mineral: Autunite
Image: 1682618638
Rating: 10 (votes: 2)
License: Usage for Mineralienatlas project only
Autunit

Grube Roland Brensdorf, Autunit, Bb. 10mm, Haldenfund 2023.
Collection: waldi
Copyright: waldi
Contribution: waldi 2023-04-27
Locality: Grube Roland / Brensdorf / Wölsendorf, Revier / Schwandorf, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color gelb, grünlichgelb, blassgrün
Streak color blassgelb
Lustre Glasglanz - Perlmuttglanz
Hardness (Mohs) 2 - 2.5
Solubility +++ HNO3, HF, andere Säuren, trockene Luft!!
Crystal System orthorhombisch, Pnma

Chemism

Chemical formula

Ca(UO2)2(PO4)2·10-12H2O

Chemical composition

Calcium, Phosphor, Sauerstoff, Uran, Wasserstoff

Unit weight: 968.2454724 u; Number of atoms in the formula: 50

Info

Empirical formula:

Ca(UO2)2(PO4)2·11H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.29

22

44.00

1.0079470

22.1748340
Oxygen

O

38.01

23

46.00

15.9994300

367.9868900
Phosphorus

P

6.40

2

4.00

30.9737612

61.9475224
Calcium

Ca

4.14

1

2.00

40.0784000

40.0784000
Uranium

U

49.17

2

4.00

238.0289130

476.0578260

Analysis wt%

UO3 : 57.95, UO2 : 0.68, CaO : 5.30, SrO : 0.52, P2O5 : 14.60, SiO2 : 0.41, H2O : 19.80 (Ref: American Mineralogist 60)

Strunz 9th edition incl. updates

8.EB.05

8: Phosphate, Arsenate, Vanadate
E: Uranylphosphate und Arsenate
B: UO2:RO4 = 1:1
05:Autunit-Gruppe

Lapis Classification

VII/E.01-090

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
E: Uranyl-Phosphate/Arsenate und Uranyl-Vanadate mit [UO2] 2+- [PO4]/[AsO4] 3- und [UO2] 2+-[V2O8] 6-, sowie isotype Vanadate (Sincosit-Reihe)
1: Autunit-Gruppe

Classification by Hölzel

8.EA.500

8: PHOSPHATES ARSENATES VANADATES
E: Uranyl (Phospates-Arsenates-Vanadates)
A: Tetragonal Uranyl (Phosphates-Arsenates)
5: C large, V=2 Uranocircite-Group

Dana 8th edition

40.02a.01.01

40: Hydrated Phosphates, etc
02a: Hydrated Phosphates, etc where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++
01: Autunite Group

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Autunite group

Optical Properties

Color

gelb, grünlichgelb, blassgrün

Streak color

blassgelb

Diaphaneity (Transparency)

transparent bis durchscheinend

Lustre

Glasglanz - Perlmuttglanz

max. Birefringence

0.024
Birefringence chart\! Autunite title=Birefringence chart Autunite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.554

RI value β

1.575

RI value γ / ε

1.578

Ri mean

1.569

2V angle

Biaxial (-) 30°

Optical Data Luminescence

Luminescence

Anregung: strukturiete Banden, UV, violett bis blau ca. 400nm - 480nm, Maximum ca 425 nm (J.P. deNeufville 1981).

Emission: strukturierte Banden, 502nm, 523nm, 547nm, 573nm, 601nm

Color LW-UV (365nm)

  

grün

LW-UV Intensity

stark

LW-UV Observation Frequency

immer (spezifisch)

Color SW-UV (254nm)

  

grün

SW-UV Intensity

mittel

SW-UV Observation Frequency

immer (spezifisch)

Most Common Activator

(UO2)2+ (Uranyl-Ion) spezifisch

Afterglow (Persistant Luminescence)

Mit bloßem Auge konnte keine Phosphoreszenz festgestellt werden.

Image ⇒ Luminescence ⇒ excitation ⇒ UV shortwave ~254nm (2 Images total)

Autunit im UV-Licht
Views (File:
1399058341
): 666
Autunit im UV-Licht
Tafelige grün leuchtende Kristalle im UV-KW-Licht, BB = 3,8 mm, Fundort: Silbergrube, Waidhaus, Oberpfalz, Bayern, Deutschland.
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A016169, Donator: Peter Köhlen
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Neustadt an der Waldnaab, Landkreis/Waidhaus/Silbergrube
Mineral: Autunite
Image: 1399058341
License: Usage for Mineralienatlas project only
Autunit im UV-Licht (SNr: A016169)

Tafelige grün leuchtende Kristalle im UV-KW-Licht, BB = 3,8 mm, Fundort: Silbergrube, Waidhaus, Oberpfalz, Bayern, Deutschland.
Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2014-05-02
Locality: Silbergrube / Waidhaus / Neustadt an der Waldnaab, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Autunit
Views (File:
1381520717
): 1546, Rating: 7.89
Autunit
Tafelige gelbe Kristalle im UV Kurzwelle grün, BB = 2,5 mm. Fundort: Grube Roland, Wölsendorf, Oberpfalz, Bayern, Deutschland.
Copyright: Manfred Früchtl; Contribution: Manfred Früchtl
Collection: Manfred Früchtl, Collection number: 4283
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Schwandorf, Landkreis/Wölsendorf, Revier/Brensdorf/Grube Roland
Mineral: Autunite
Image: 1381520717
Rating: 7.89 (votes: 9)
License: Usage for Mineralienatlas project only
Autunit (SNr: 4283)

Tafelige gelbe Kristalle im UV Kurzwelle grün, BB = 2,5 mm. Fundort: Grube Roland, Wölsendorf, Oberpfalz, Bayern, Deutschland.
Collection: Manfred Früchtl
Copyright: Manfred Früchtl
Contribution: Manfred Früchtl 2013-10-11
Locality: Grube Roland / Brensdorf / Wölsendorf, Revier / Schwandorf, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland

Image ⇒ Luminescence ⇒ excitation ⇒ UV longwave ~365nm (8 Images total)

Autunit
Views (File:
1629621973
): 215
Autunit
Alte Autunitstufe unter UV Licht 365 nm, Größe: 13 x 9 x 6 cm, FO: Flossenbürg,Oberpfalz
Copyright: Bode; Contribution: Bode
Collection: Bode
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Neustadt an der Waldnaab, Landkreis/Flossenbürg
Mineral: Autunite
Image: 1629621973
License: Usage for Mineralienatlas project only
Autunit

Alte Autunitstufe unter UV Licht 365 nm, Größe: 13 x 9 x 6 cm, FO: Flossenbürg,Oberpfalz
Collection: Bode
Copyright: Bode
Contribution: Bode 2021-08-22
Locality: Flossenbürg / Neustadt an der Waldnaab, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Autunit unter UV Licht
Views (File:
1618685997
): 1142, Rating: 9.38
Autunit unter UV Licht
Autunit unter UV Licht LW 365 nm, BB 15 mm, Fundort: Carrière des Oudots, Issy-l'Evêque
Copyright: Bode; Contribution: Bode
Collection: Bode
Location: Frankreich/Bourgogne-Franche-Comté, Region/Saône-et-Loire, Département/Charolles, Arrondissement/Issy-l'Evêque/Carrière des Oudots
Mineral: Autunite
Image: 1618685997
Rating: 9.38 (votes: 8)
License: Usage for Mineralienatlas project only
Autunit unter UV Licht

Autunit unter UV Licht LW 365 nm, BB 15 mm, Fundort: Carrière des Oudots, Issy-l'Evêque
Collection: Bode
Copyright: Bode
Contribution: Bode 2021-04-17
Locality: Carrière des Oudots / Issy-l'Evêque / Charolles, Arrondissement / Saône-et-Loire, Département / Bourgogne-Franche-Comté, Region / Frankreich
Autunit
Views (File:
1563645021
): 455
Autunit
Autunit aus Portugal in UV Licht 3mmx6mm Bildbreite
Copyright: Peter Bialas; Contribution: Silberpeter
Collection: Peter Bialas
Location: Portugal/Aveiro, Distrikt
Mineral: Autunite
Image: 1563645021
License: Usage for Mineralienatlas project only
Autunit

Autunit aus Portugal in UV Licht 3mmx6mm Bildbreite
Collection: Peter Bialas
Copyright: Peter Bialas
Contribution: Silberpeter 2019-07-20
Locality: Aveiro, Distrikt / Portugal

Image ⇒ Analyses data ⇒ Fluorescence spectral analysis (1 Images total)

Fluoreszenzspektrum Autunit @365nm
Views (File:
1513353921
): 354
Fluoreszenzspektrum Autunit @365nm
FO: Assuncao/Portugal; Fluoreszenzspektrum von Autunit xx angeregt mit UV@365nm.
Copyright: etalon; Contribution: etalon
Collection: etalon
Location: Portugal/Viseu, Distrikt/Sátão/Ferreira de Aves/Aldeia Nova/Assuncao Mine
Mineral: Autunite
Image: 1513353921
License: Usage for Mineralienatlas project only
Fluoreszenzspektrum Autunit @365nm

FO: Assuncao/Portugal; Fluoreszenzspektrum von Autunit xx angeregt mit UV@365nm.
Collection: etalon
Copyright: etalon
Contribution: etalon 2017-12-15
Locality: Assuncao Mine / Aldeia Nova / Ferreira de Aves / Sátão / Viseu, Distrikt / Portugal

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pnma

Cell parameters a (Å)

14.014

Cell parameters b (Å)

20.712

Cell parameters c (Å)

6.996

Cell parameters a/b or c/a

0.677

Cell parameters c/b

0.338

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

2030.645

X-Ray Powder Diffraction

10.48(100),
5.19(90),
4.91(30),
3.565(80),
3.495(20),
3.317(20),
2.193(30),
2.181(20)
XRD chart Autunite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2 - 2.5

VHN (Hardness Vickers)

42 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.1 (gemessen) 3.167 (berechnet)

3.167 ( ρ calc. Mineralienatlas )

Radioactivity

radioaktiv

Instability

+++ HNO3, HF, andere Säuren, trockene Luft!!

(Co-)Type locality

(Co-)Type locality

Frankreich/Bourgogne-Franche-Comté, Region/Saône-et-Loire, Département/Autun, Arrondissement/Saint-Symphorien-de-Marmagne

Preface

Name from

der Typlokalität: Autun, Frankreich

Author (Name, Year)

Brooke & Miller, 1852

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: Ionizing radiation: Radioaktiv

References

Handbook of Mineralogy (Anthony et al.), 4 (2000), 44

Lumineszenz:

J. P. deNeufville et al, "Selective detection of uranium by laser-induced fluorescence: a potential remote-sensing technique. 1: Optical characteristics of uranyl geologic targets" Applied Optics Vol. 20, Issue 8, pp. 1279-1296 (1981) https://doi.org/10.1364/AO.20.001279

Geipel, G., Bernhard, G., Rutsch, M., Brendler, V., & Nitsche, H. (2000). Spectroscopic properties of uranium (VI) minerals studied by time-resolved laser-induced fluorescence spectroscopy (TRLFS). Radiochimica Acta, 88(9-11), 757-762.

Gaft M., Reisfeld R., Panczer G., Luminescence Spectroscopy of Minerals and Materials, Springer Verlag 2005

IMA group assignments

 
Autunite group
 
 
 

 
 
Autunite
Ca(UO2)2(PO4)2·10-12H2O
orthorhombisch
Pnma

 
 
Bassetite
Fe2+[(UO2)(PO4)]2(H2O)10
monoklin
P21/n

 
 
Heinrichite
Ba(UO2)2(AsO4)2·10-12H2O
monoklin
P2/c

 
 
Hydronováčekite
Mg(UO2)2(AsO4)2·12H2O
tetragonal
P42/n

 
 
Kahlerite
Fe2+(UO2)2(AsO4)2·10-12H2O
tetragonal
P42/n

 
 
Nováčekite
Mg(UO2)2(AsO4)2·9H2O
tetragonal
P42/n

 
 
Rauchite
Ni(UO2)2(AsO4)2·10H2O
triklin
P1

 
 
Sabugalite
HAl(UO2)4(PO4)4·16H2O
monoklin
C2/m

 
 
Saléeite
Mg[(UO2)(PO4)]2(H2O)10
monoklin
P21/n

 
 
Torbernite
Cu(UO2)2(PO4)2·12H2O
tetragonal
P4/nnc

 
 
Uranocircite
Ba(UO2)2(PO4)2·12H2O
tetragonal
I4/mmm

 
 
Uranospinite
Ca(UO2)2(AsO4)2·10 H2O
tetragonal
I4/mmm

 
 
Zeunerite
Cu(UO2)2(AsO4)2·10-16H2O
tetragonal
P4/nnc

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Actuality: 19. Sep 2023 - 15:30:25

Other languages

Dutch

Autuniet

German

Autunit

Spanish

Autunita

French

Autunite

English

Autunite

Russian

Отенит

Thai

ออทูไนต์

Japanese

燐灰ウラン石

Traditional Chinese

鈣鈾雲母

Simplified Chinese

钙铀云母

Alternative Name

Calcium-Autunite

German

Calciumphosphoruranit

German

Calcouranit

Spanish

Calcouranita

Calcouranite

German

Kalk-Uranglimmer

German

Kalk-Uranit

Lime-Uranite

French

Sel à base de chaux, où l'oxide d'urane joue le rôle d'acide

Japanese

燐灰ウラン鉱

CNMNC symbol

Symbol

Aut

Locations with GPS information

IDs

GUSID (Global unique identifier short form) V6cWGbzNN0iPdvpYMexq-w
GUID (Global unique identifier) 1916A757-CDBC-4837-8F76-FA5831EC6AFB
Database ID 249