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Parauranophane (Uranophan-Beta)

Pictures (31 Images total)

Uranophan-Beta
Views (File:
1248849637
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Uranophan-Beta
Bildbreite: 2,5 mm; Fundort: La Dorgissière Mine, Saint-Amand-sur-Sèvre, Deux-Sèvres, Poitou-Charentes, Frankreich
Copyright: Jean-Marc Johannet; Contribution: Hg
Location: Frankreich/Nouvelle-Aquitaine, Region/Deux-Sèvres, Département/Bressuire, Arrondissement/Saint-Amand-sur-Sèvre/La Dorgissière Mine
Mineral: Parauranophane
Image: 1248849637
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Uranophan-Beta

Bildbreite: 2,5 mm; Fundort: La Dorgissière Mine, Saint-Amand-sur-Sèvre, Deux-Sèvres, Poitou-Charentes, Frankreich
Copyright: Jean-Marc Johannet
Contribution: Hg 2009-07-29
Locality: La Dorgissière Mine / Saint-Amand-sur-Sèvre / Bressuire, Arrondissement / Deux-Sèvres, Département / Nouvelle-Aquitaine, Region / Frankreich
Uranophan-Beta
Views (File:
1314535368
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Uranophan-Beta
Größe: 0,4 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Bagnolo Piemonte/Ortieul/Cave di Montoso
Mineral: Parauranophane
Image: 1314535368
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Uranophan-Beta

Größe: 0,4 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-28
Locality: Cave di Montoso / Ortieul / Bagnolo Piemonte / Cuneo, Provinz / Piemont (Piemonte), Region / Italien
Uranophan - Beta
Views (File:
1268664233
): 2730, Rating: 9
Uranophan - Beta
Bildbreite: 2,5 mm; Fundort: Teofili Otoni, Minas Gerais, Brasilien
Copyright: Jean-Marc Johannet; Contribution: Hg
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Mucuri-Tal/Teofilo Otoni
Mineral: Parauranophane
Image: 1268664233
Rating: 9 (votes: 13)
License: Usage for Mineralienatlas project only
Uranophan - Beta

Bildbreite: 2,5 mm; Fundort: Teofili Otoni, Minas Gerais, Brasilien
Copyright: Jean-Marc Johannet
Contribution: Hg 2010-03-15
Locality: Teofilo Otoni / Mucuri-Tal / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Uranophan-Beta
Views (File:
1238417800
): 1936, Rating: 8.89
Uranophan-Beta
Bildbreite: 3 mm; Fundort Perus, São Paulo, Südosten (Região Sudeste), Brasilien
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Brasilien/Südosten (Região Sudeste)/Sao Paulo/Perus
Mineral: Parauranophane
Image: 1238417800
Rating: 8.89 (votes: 9)
License: Usage for Mineralienatlas project only
Uranophan-Beta

Bildbreite: 3 mm; Fundort Perus, São Paulo, Südosten (Região Sudeste), Brasilien
Copyright: Stephan Wolfsried
Contribution: Hg 2009-03-30
Locality: Perus / Sao Paulo / Südosten (Região Sudeste) / Brasilien
Uranophan-Beta
Views (File:
1314535514
): 1402
Uranophan-Beta
Größe: 0,94 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Bagnolo Piemonte/Ortieul/Cave di Montoso
Mineral: Parauranophane
Image: 1314535514
Rating: 9.33 (votes: 3)
License: Usage for Mineralienatlas project only
Uranophan-Beta

Größe: 0,94 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-28
Locality: Cave di Montoso / Ortieul / Bagnolo Piemonte / Cuneo, Provinz / Piemont (Piemonte), Region / Italien
Uranophan-Beta
Views (File:
1314535468
): 329
Uranophan-Beta
Größe: 0,83 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Bagnolo Piemonte/Ortieul/Cave di Montoso
Mineral: Parauranophane
Image: 1314535468
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Uranophan-Beta

Größe: 0,83 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-28
Locality: Cave di Montoso / Ortieul / Bagnolo Piemonte / Cuneo, Provinz / Piemont (Piemonte), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color gelb, grünlich
Streak color hellgelb
Lustre Glasglanz, seidenartig
Hardness (Mohs) 2.5 - 3
Solubility +++ Säuren
Crystal System monoklin, P21/a
Morphology prismatisch

Chemism

Chemical formula

Ca(UO2)2(SiO3OH)2·5H2O

Chemical composition

Calcium, Silicium, Sauerstoff, Uran, Wasserstoff

Unit weight: 856.39296 u; Number of atoms in the formula: 34

Info

Empirical formula:

Ca(UO2)2(SiO3OH)2·5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.41

12

35.29

1.0079470

12.0953640
Oxygen

O

31.76

17

50.00

15.9994300

271.9903100
Silicon

Si

6.56

2

5.88

28.0855300

56.1710600
Calcium

Ca

4.68

1

2.94

40.0784000

40.0784000
Uranium

U

55.59

2

5.88

238.0289130

476.0578260

Analysis wt%

SiO2 : 13.11, UO3 : 66.29, CaO : 7.32, H2O : 12.87 (Ref: American Mineralogist 39)

Strunz 9th edition incl. updates

9.AK.15

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
K: Uranyl Insel(Neso)- und Schicht(Poly)-Silikate
15:Uranophan-Kasolit-Gruppe mit U:Si = 1:1

Lapis Classification

VIII/B.34-050

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
34: Kationen mit Koordinationszahlen zwischen [8] und [12]; Uranyl-Inselsilikate mit [UO2] 2+-[SiO4] 4- und Verwandte

Classification by Hölzel

9.AN.250

9: SILICATES
A: Nesosilicates
N: Uranophane-Group

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelb, grünlich

Streak color

hellgelb

Diaphaneity (Transparency)

transparent bis durchscheinend

Lustre

Glasglanz, seidenartig

max. Birefringence

0.04
Birefringence chart\! Parauranophane title=Birefringence chart Parauranophane

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

1.67

RI value β

1.70

RI value γ / ε

1.71

Ri mean

1.693

2V angle

Biaxial (-) 71°

Optical Data Luminescence

Color LW-UV (365nm)

  

grün

Most Common Activator

(UO2)2+ (Uranyl-Ion) spezifisch

Afterglow (Persistant Luminescence)

Mit bloßem Auge konnte keine Phosphoreszenz festgestellt werden.

Image ⇒ Luminescence ⇒ excitation ⇒ others (4 Images total)

Uranophan-Beta, Lumineszenz (Anregung 405nm)
Views (File:
1681663459
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Uranophan-Beta, Lumineszenz (Anregung 405nm)
Uranophan-Beta (Parauranophan), sehr intensiv hellgrün leuchtend (Anregung 405nm), Detail. BB 3.6mm; Rabejac, Lodève, Hérault, Frankreich.
Copyright: Lynx; Contribution: Lynx
Collection: Lynx, Collection number: spx0218
Location: Frankreich/Okzitanien (Occitanie), Region/Hérault, Département/Lodève, Arrondissement/Le Puech/Rabejac
Mineral: Parauranophane
Image: 1681663459
License: Usage for Mineralienatlas project only
Uranophan-Beta, Lumineszenz (Anregung 405nm) (SNr: spx0218)  E
Analysed with energy dispersive X-ray spectroscopy EDX
F
Analysed with fluorescence spectroscopy

Uranophan-Beta (Parauranophan), sehr intensiv hellgrün leuchtend (Anregung 405nm), Detail. BB 3.6mm; Rabejac, Lodève, Hérault, Frankreich.
Collection: Lynx
Copyright: Lynx
Contribution: Lynx 2023-04-16
Locality: Rabejac / Le Puech / Lodève, Arrondissement / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich
Uranophan-Beta, Lumineszenz (Anregung 405nm)
Views (File:
1681663411
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Uranophan-Beta, Lumineszenz (Anregung 405nm)
Uranophan-Beta (Parauranophan), sehr intensiv hellgrün leuchtend (Anregung 405nm). BB 25mm; Rabejac, Lodève, Hérault, Frankreich.
Copyright: Lynx; Contribution: Lynx
Collection: Lynx, Collection number: spx0218
Location: Frankreich/Okzitanien (Occitanie), Region/Hérault, Département/Lodève, Arrondissement/Le Puech/Rabejac
Mineral: Parauranophane
Image: 1681663411
License: Usage for Mineralienatlas project only
Uranophan-Beta, Lumineszenz (Anregung 405nm) (SNr: spx0218)  E
Analysed with energy dispersive X-ray spectroscopy EDX
F
Analysed with fluorescence spectroscopy

Uranophan-Beta (Parauranophan), sehr intensiv hellgrün leuchtend (Anregung 405nm). BB 25mm; Rabejac, Lodève, Hérault, Frankreich.
Collection: Lynx
Copyright: Lynx
Contribution: Lynx 2023-04-16
Locality: Rabejac / Le Puech / Lodève, Arrondissement / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich
Uranophan-Beta, Lumineszenz (Anregung 405nm)
Views (File:
1667168618
): 16
Uranophan-Beta, Lumineszenz (Anregung 405nm)
Uranophan-Beta, intensive grüne Lumineszenz bei Anregung mit 405 nm (Detail; BB 5.8 mm, Rabejac, Lodève, Hérault, Frankreich).
Copyright: Lynx; Contribution: Lynx
Collection: Lynx
Location: Frankreich/Okzitanien (Occitanie), Region/Hérault, Département/Lodève, Arrondissement/Le Puech/Rabejac
Mineral: Parauranophane
Image: 1667168618
License: Usage for Mineralienatlas project only
Uranophan-Beta, Lumineszenz (Anregung 405nm)  E
Analysed with energy dispersive X-ray spectroscopy EDX
R
Analysed with RAMAN spectroscopy
F
Analysed with fluorescence spectroscopy

Uranophan-Beta, intensive grüne Lumineszenz bei Anregung mit 405 nm (Detail; BB 5.8 mm, Rabejac, Lodève, Hérault, Frankreich).
Collection: Lynx
Copyright: Lynx
Contribution: Lynx 2022-10-30
Locality: Rabejac / Le Puech / Lodève, Arrondissement / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell parameters a (Å)

13.964

Cell parameters b (Å)

15.488

Cell parameters c (Å)

6.628

Cell parameters a/b or c/a

0.902

Cell parameters c/b

0.428

Cell parameters α

90°

Cell parameters β

91.40

Cell parameters γ

90°

Z

4

Volumne (ų)

1433.039

X-Ray Powder Diffraction

7.75(100),
4.546(50),
3.870(40),
3.489(70),
3.182(60),
3.023(50),
2.965(40),
2.815(40)
XRD chart Parauranophane

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

Morphology

prismatisch

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5 - 3

VHN (Hardness Vickers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.9

3.969 ( ρ calc. Mineralienatlas )

Radioactivity

Radioaktiv da Uran haltig.

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Tschechien/Karlsbad (Karlovarsky kraj)/Karlsbad (Karlovy Vary), Bezirk/St. Joachimsthal (Jáchymov)

References

Viswanathan, K., Harneit, O. (1986) Refined crystal structure of beta-uranophane, Ca(UO2)2(SiO3OH)2·5H20. American Mineralogist, 71, 1489-1493

Plášil, J. (2018). Structural complexity of uranophane and uranophane-β: implications for their formation and occurrence. European Journal of Mineralogy, 30(2), 253-257.

Zur Lumineszenz:

Stark, M., & Noller, M. (2023). Spectral variability of the uranyl silicates uranophane-α and uranophane-β: polymorphism and luminescence. Physics and Chemistry of Minerals, 50(1) Art.-Nr. 2, 1-18. https://doi.org/10.1007/s00269-022-01225-2

Frédéric Hatert; Stuart J. Mills; Marco Pasero; Ritsuro Miyawaki; Ferdinando Bosi: CNMNC guidelines for the nomenclature of polymorphs and polysomes. Mineralogical Magazine Vol. 87, Nr. 2 (2023) S. 225-232. Umbenennung in Parauranophan

Other languages

German

Parauranophan

umbenannt; CNMNC Newsletter 69; Mineralogical Magazine, 86

English

Parauranophane

renamed; CNMNC Newsletter 69; Mineralogical Magazine, 86

old name

Spanish

Uranofana-beta

German

Uranophan-Beta

umbenannt; CNMNC Newsletter 69; Mineralogical Magazine, 86

French

Uranophane-Beta

English

Uranophane-beta

English

β-Uranophane

Alternative Name

Beta-Uranophane

English

Beta-uranotile

Bohemia

German

Uranophan-ß

Scharfes s (ss) als Beta anstelle von β

German

Uranophan-β

CNMNC symbol

Symbol

Urp-β

Locations with GPS information

IDs

GUSID (Global unique identifier short form) y2oPSbyM50GOSfpPrl9bcA
GUID (Global unique identifier) 490F6ACB-8CBC-41E7-8E49-FA4FAE5F5B70
Database ID 3987