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Rabejacite

Pictures (5 Images total)

Rabejacit
Views (Image: 1186665841): 1146
Rabejacit

Bildbreite: 2 mm; Fundort: Mas d'Alary, Lodève, Hérault, Languedoc-Roussillon, Frankreich

Copyright: Stephan Wolfsried
Contribution: Hg 2007-08-09
Locality: Mas d'Alary / Lodève / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich
Rabejacit
Views (Image: 1248081471): 1086
Rabejacit

Bildbreite: 2 mm; Fundort Mas d'Alary, Lodève, Hérault, Languedoc-Roussillon, Frankreich

Copyright: Stephan Wolfsried
Contribution: Hg 2009-07-20
Locality: Mas d'Alary / Lodève / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich
Rabejacit
Views (Image: 1164312720): 877
Rabejacit

Bildbreite: 1 mm; Fundort Rabejac, Lodève, Hérault, Languedoc-Roussillon, Frankreich

Copyright: Stephan Wolfsried
Contribution: Hg 2006-11-23
Locality: Rabejac / Lodève / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich
Rabejacit
Views (Image: 1248081428): 849
Rabejacit

Bildbreite: 1,5 mm; Fundort Mas d'Alary, Lodève, Hérault, Languedoc-Roussillon, Frankreich

Copyright: Jean-Marc Johannet
Contribution: Hg 2009-07-20
Locality: Mas d'Alary / Lodève / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich
Rabejacit
Views (Image: 1248081512): 752
Rabejacit

Bildbreite: 3 mm; Fundort Mas d'Alary, Lodève, Hérault, Languedoc-Roussillon, Frankreich

Copyright: Jean-Marc Johannet
Contribution: Hg 2009-07-20
Locality: Mas d'Alary / Lodève / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich

Collectors Summary

Color gelb, bernsteinfarben
Streak color weiß
Hardness (Mohs) 3
Cleavages keine
Fracture uneben
Crystal System triklin, P1

Chemism

Chem­ical formula

Ca2[(UO2)4O4(SO4)2](H2O)8

Chem­ical com­po­si­tion

Calcium, Sauerstoff, Schwefel, Uran, Wasserstoff

Unit weight: 1560.514644 u; Number of atoms in the formula: 52

Info

Empirical formula:

Ca2[(UO2)4O4(SO4)2](H2O)8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.03

16

30.77

1.0079470

16.1271520

Oxygen

O

28.71

28

53.85

15.9994300

447.9840400

Sulfur

S

4.11

2

3.85

32.0655000

64.1310000

Calcium

Ca

5.14

2

3.85

40.0784000

80.1568000

Uranium

U

61.01

4

7.69

238.0289130

952.1156520

Strunz 9th edi­tion incl. updates

7.EC.10

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
E: Uranylsulfate
C: Mit mittelgroßen und großen [Kationen]
10:Rabejacit-Gruppe

Lapis Clas­sifica­tion

VI/D.20-090

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
20: Uranylsulfate [UO2] 2+ – [SO4] 2-

Clas­sifica­tion by Hölzel

7.ED.330

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
E: Uranyl-Sulfates
D: Uranyl-Sulfates (+Anions +Water)

Dana 8th edi­tion

31.06.08.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
06: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)5 (XO4)2 Zq·x(H2O)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Zippeite group

Optical Properties

Color

gelb, bernsteinfarben

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.141

Birefringence chart\! Rabejacite title=Birefringence chart Rabejacite

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

1.617

RI value β

1.710

RI value γ / ε

1.758

Ri mean

1.695

2V angle

Biaxial (-) 68°

Optical Data Luminescence

Lumi­nes­cence

fluoreszierend, Kurzwelliges UV=hellgelb, Langwelliges UV=hellgelb

Color LW-UV (365nm)

 

gelb

LW-UV Intensity

schwach

Color SW-UV (254nm)

 

gelb

SW-UV Intensity

schwach

LW-UV Other Col­ors

 

grünlich gelb

SW-UV Other Col­ors

 

grünlich gelb

Most Common Acti­vator

(UO2)2+ (Uranyl-Ion) spezifisch

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

1

Space Group

P1

Cell param­e­ters a (Å)

8.7434(11)

Cell param­e­ters b (Å)

8.309(3)

Cell param­e­ters c (Å)

8.8693(10)

Cell param­e­ters a/b or c/a

1.052

Cell param­e­ters c/b

1.067

Cell param­e­ters α

77.86(2)°

Cell param­e­ters β

104.635(11)°

Cell param­e­ters γ

82.935(18)°

Z

1

Volumne (ų)

598.838

X-Ray Pow­der Diffrac­tion

7.90(100),
4.17(30),
3.98(40),
3.49(80),
3.38(70),
2.844(30),
2.163(10),
2.127(10)

XRD chart Rabejacite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.1

4.327 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

uneben

Radioac­tiv­ity

radioaktiv

Preface

Author (Name, Year)

Deliens & Piret, 1993

References

European Journal of Mineralogy 5 (1993), 873

Deliens M, Piret P (1993) La rabejacite, Ca(UO2)4(SO4)2(OH)6·6H2O, nouveau sulfate d'uranyle et de calcium des gîtes du Lodévois, Hérault, France, European Journal of Mineralogy 5, 873-877

Chemical formula revised from Ca(UO2)4(SO4)2(OH)6·6H2O: Plášil J, Dušek M, Čejka J, Sejkora J (2014) The crystal structure of rabejacite, the Ca2+-dominant member of the zippeite group. Mineralogical Magazine 78, 1249-1264

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Rabejacite

Ca2[(UO2)4O4(SO4)2](H2O)8

triklin : 1 : P1

7.EC.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Jáchymovite

(UO2)8(OH)14(SO4)·13H2O

monoklin : 2, 2/m : P21, P21/m

VI/D.20-005

Uranopilite

(UO2)6SO4O2(OH)6·14H2O

triklin : 1 : P1

VI/D.20-010

Metauranopilite

(UO2)6SO4(OH)10·5H2O

VI/D.20-020

Mathesiusite

K5(UO2)4(SO4)4(VO5)·4H2O

tetragonal : 4/m : P4/n

VI/D.20-024

Adolfpateraite

K(UO2)(SO4)(OH)(H2O)

monoklin : 2/m : P21/c

VI/D.20-025

Natrozippeite

Na5(UO2)8(SO4)4O5(OH)3·12H2O

monoklin : 2/m : P21/n

VI/D.20-030

Zippeite

K3(UO2)4(SO4)2O3(OH)·3H2O

monoklin : 2 : C2

VI/D.20-040

Nickelzippeite

Ni2(UO2)6(SO4)3(OH)10·16H2O

monoklin : 2/m : C2/m

VI/D.20-050

Cobaltzippeite

Co(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

VI/D.20-060

Zinczippeite

Zn(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

VI/D.20-070

Magnesiozippeite

Mg(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

VI/D.20-075

Marécottite

Mg3[(UO2)4O3(OH)(SO4)2]2(H2O)28

triklin : 1 : P1

VI/D.20-080

Sejkoraite-(Y)

Y2(UO2)8O6(SO4)4(OH)2·26H2O

triklin : 1 : P1

VI/D.20-085

Rabejacite

Ca2[(UO2)4O4(SO4)2](H2O)8

triklin : 1 : P1

VI/D.20-090

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Natrozippeite

Na5(UO2)8(SO4)4O5(OH)3·12H2O

monoklin : 2/m : P21/n

7.ED.300

Zippeite

K3(UO2)4(SO4)2O3(OH)·3H2O

monoklin : 2 : C2

7.ED.310

Sejkoraite-(Y)

Y2(UO2)8O6(SO4)4(OH)2·26H2O

triklin : 1 : P1

7.ED.320

Rabejacite

Ca2[(UO2)4O4(SO4)2](H2O)8

triklin : 1 : P1

7.ED.330

Adolfpateraite

K(UO2)(SO4)(OH)(H2O)

monoklin : 2/m : P21/c

7.ED.350

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Devilline

CaCu4(SO4)2(OH)6·3H2O

monoklin : 2/m : P21/c

31.06.01.01

Lautenthalite

PbCu42+(OH)6(SO4)2·3H2O

monoklin : 2/m : P21/c

31.06.01.02

Serpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

31.06.02.01

Ktenasite

ZnCu4(SO4)2(OH)6·6H2O

monoklin : 2/m : P21/c

31.06.03.01

Christelite

Zn3Cu2[(OH)6|(SO4)2]·4H2O

triklin : 1 : P1

31.06.03.02

Peretaite

CaSb43+O4(OH)2(SO4)2·2H2O

monoklin : 2/m : C2/c

31.06.04.01

Campigliaite

Mn2+Cu4[(OH)6|(SO4)2]·4H2O

monoklin : 2 : C2

31.06.06.01

Niedermayrite

CdCu4[(OH)6|(SO4)2]·4H2O

monoklin : 2/m : P21/m

31.06.06.02

Orthoserpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

orthorhombisch : mm2 : Pca21

31.06.07.01

Rabejacite

Ca2[(UO2)4O4(SO4)2](H2O)8

triklin : 1 : P1

31.06.08.01

Other languages

German

Rabejacit

Spanish

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English

Rabejacite

French

Rabejacite

IMA Number

IMA 1992-043

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