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Pseudojohannite

Pictures (2 Images total)

Pseudojohannit
Views (Image: 1353428012): 787
Pseudojohannit (SNr: A017614)

Nadelige grüne Kristalle in dichten Paketen, rechts im Bild, mit gelben Natrozippeit, BB = 4 mm, Fundort: Widowmaker Mine, San Juan Co., Utah

Collection: Lithothek der Münchener Micromounter
Copyright: Heribert Rotter
Contribution: Münchener Micromounter 2012-11-20
Locality: Widowmaker Mine / White Canyon / White Canyon District / San Juan Co. / Utah / USA
Pseudojohannit
Views (Image: 1444394325): 496
Pseudojohannit

gelbgrüne Pseudojohannit-Kristalle auf alterierter Matrix, Bildbreite: 2,5 mm, Fundort: Roter Gang (Červená), Werner Mine (Rovnost), St. Joachimsthal (Jáchymov), Region Karlsbad (Karlovarsky k...

Copyright: Pavel Škácha, Czechmin
Contribution: thdun5 2015-10-09
Locality: Roter Gang (Červená) / Werner Mine (Rovnost) / St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad, Region (Karlovarsky kraj) / Tschechien

Collectors Summary

Color moosgrün
Streak color hellgrün
Hardness (Mohs) 2 - 3
Crystal System triklin, P1

Chemism

Chem­ical formula

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

Chem­ical com­po­si­tion

Kupfer, Sauerstoff, Schwefel, Uran, Wasserstoff

Unit weight: 3620.941439 u; Number of atoms in the formula: 143.5

Info

Empirical formula:

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.53

55

38.33

1.0079470

55.4370850

Oxygen

O

30.93

70

48.78

15.9994300

1,119.9601000

Sulfur

S

3.54

4

2.79

32.0655000

128.2620000

Copper

Cu

11.41

6.5

4.53

63.5463000

413.0509500

Uranium

U

52.59

8

5.57

238.0289130

1,904.2313040

Anal­y­sis wt%

SO3 : 8.90, UO3 : 62.40, CuO : 14.40, H2O : 13.95 (Ref: American Mineralogist 2006)

Strunz 9th edi­tion incl. updates

7.EC.05

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

Lapis Clas­sifica­tion

VI/D.21-015

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

Clas­sifica­tion by Hölzel

7.ED.105

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

Dana 8th edi­tion

31.01.07.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
01: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)m (XO4)p Zq·x(H2O), where m:p>6:1

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Zippeite group

Optical Properties

Color

moosgrün

Streak color

hellgrün

max. Birefrin­gence

0.015

Birefringence chart\! Pseudojohannite title=Birefringence chart Pseudojohannite

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

1.725

RI value β

min/

RI value γ / ε

1.740

Ri mean

1.733

2V angle

Biaxial

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

10.027

Cell param­e­ters b (Å)

10.822

Cell param­e­ters c (Å)

13.396

Cell param­e­ters a/b or c/a

0.927

Cell param­e­ters c/b

1.238

Cell param­e­ters α

87.92

Cell param­e­ters β

109.33

Cell param­e­ters γ

90.88

Z

1

Volumne (ų)

1370.773

X-Ray Pow­der Diffrac­tion

9.18(100),
7.121(20),
4.584(50),
3.454(20),
3.375(20),
3.306(20),
3.084(20),
2.862(20)

XRD chart Pseudojohannite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2 - 3

Density (g/cm³)

4.31

4.386 ( ρ calc. Mineralienatlas )

Tenac­ity

spröde

Radioac­tiv­ity

radioaktiv

Preface

Gen­er­a­tion con­di­tions

Rektion von sauren Grubengewässern mit Uranylsilikaten und Kupferkies, Tennantit oder Digenit

Asso­cia­tions

Uranopilit, Johannit, Gips, Metaschoepit, Kasolit, Uranophan, Cuprosklodowskit, Marecottit

Name from

Kristallchemische Verwandtschaft zu Johannit

Author (Name, Year)

Ondrus & Veselovsky & Gabasova & Hlousek & Srein, 2003

References

Lapis Jg. 31 Nr. 11/2006 S. 25/36

Schweizer Strahler 4/2006 S. 45/46

Ondruš, P., Veselovský, F., Skála, R., Císařová, I., Hloušek, J., Frýda, J., Vavřín, I., Čejka, J., and Gabašová, A. (1997) New naturally occurring phases of secondary origin from Jáchymov (Joachimstal). Journal of the Czech Geological Society: 42: 7-107.

Ondruš, P., Veselovský, F., Gabašová, A., Hloušek, J., and Šrein, V. (2003) Supplement to secondary and rock-forming minerals of the Jachymov ore district. Journal of the Czech Geological Society: 48(3-4): 149-155.

Brugger, J., Wallwork, K.S., Meisser N., Pring, A., Ondruš, P., and Čejka, J. (2006) Pseudojohannite from Jáchymov, Musonoï, and La Creusaz: A new member of the zippeite-group. American Mineralogist: 91: 929-936. (.pdf)

American Mineralogist, Volume 97, pages 1796–1803, 2012 - Crystal structure of pseudojohannite, with a revised formula, Cu3(OH)2[(UO2)4O4(SO4)2](H2O)12 (.pdf)

IMA group assignments


 
 
Co(UO2)2(SO4)O2·3.5H2O
monoklin
C2/m

 
 
Mg(UO2)2(SO4)O2·3.5H2O
monoklin
C2/m

 
 
Mg3[(UO2)4O3(OH)(SO4)2]2(H2O)28
triklin
P1

 
 
Na5(UO2)8(SO4)4O5(OH)3·12H2O
monoklin
P21/n

 
 
Ni2(UO2)6(SO4)3(OH)10·16H2O
monoklin
C2/m

 
 
K0.8Mn0.6[(UO2)2O2(SO4)]·3.5H2O
monoklin
C2/c

 
 
Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O
triklin
P1

 
 
Ca2[(UO2)4O4(SO4)2](H2O)8
triklin
P1

 
 
Y2(UO2)8O6(SO4)4(OH)2·26H2O
triklin
P1

 
 
Zn(UO2)2(SO4)O2·3.5H2O
monoklin
C2/m

 
 
K3(UO2)4(SO4)2O3(OH)·3H2O
monoklin
C2

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Actuality: 13. May 2021 - 03:26:03

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

Zippeite

K3(UO2)4(SO4)2O3(OH)·3H2O

monoklin : 2 : C2

7.EC.05

Redcanyonite

(NH4)2Mn[(UO2)4O4(SO4)2](H2O)4

monoklin : 2/m : C2/m

7.EC.05

Zinczippeite

Zn(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.EC.05

Natrozippeite

Na5(UO2)8(SO4)4O5(OH)3·12H2O

monoklin : 2/m : P21/n

7.EC.05

Cobaltzippeite

Co(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.EC.05

Nickelzippeite

Ni2(UO2)6(SO4)3(OH)10·16H2O

monoklin : 2/m : C2/m

7.EC.05

Pseudojohannite

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

triklin : 1 : P1

7.EC.05

Ammoniozippeite

(NH4)2[(UO2)2(SO4)O2]·H2O

orthorhombisch : mmm : Ccmb

7.EC.05

Magnesiozippeite

Mg(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.EC.05

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

Deliensite

Fe2+(UO2)2(SO4)2(OH)2·3H2O

orthorhombisch : mm2, mmm : Pnn2, Pnnm

VI/D.21-005

Johannite

Cu(UO2)2(SO4)2(OH)2·8H2O

triklin : 1 : P1

VI/D.21-010

Pseudojohannite

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

triklin : 1 : P1

VI/D.21-015

Schröckingerite

NaCa3(UO2)(CO3)3(SO4)F·10H2O

triklin : 1 : P1

VI/D.21-020

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

Johannite

Cu(UO2)2(SO4)2(OH)2·8H2O

triklin : 1 : P1

7.ED.100

Pseudojohannite

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

triklin : 1 : P1

7.ED.105

Deliensite

Fe2+(UO2)2(SO4)2(OH)2·3H2O

orthorhombisch : mm2, mmm : Pnn2, Pnnm

7.ED.120

Magnesiozippeite

Mg(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.ED.140

Zinczippeite

Zn(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.ED.150

Cobaltzippeite

Co(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.ED.170

Nickelzippeite

Ni2(UO2)6(SO4)3(OH)10·16H2O

monoklin : 2/m : C2/m

7.ED.180

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

Connellite

Cu36(SO4)(OH)62Cl8·6H2O

hexagonal : 6/mmm : P63/mmc

31.01.01.01

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8H2O

monoklin : 2/m : P21/a

31.01.03.01

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

31.01.04.01

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

31.01.04.02

Spangolite

Cu6Al(SO4)(OH)12Cl·3H2O

trigonal : 3m : P31c

31.01.05.01

Bechererite

Zn7Cu[(OH)13|SiO(OH)3|SO4]

trigonal : 3, 3 : P3, P3

31.01.06.02

Pseudojohannite

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

triklin : 1 : P1

31.01.07.01

Other languages

German

Pseudojohannit

English

Pseudojohannite

Alternative Name

Unnamed (Cu-U Sulphate)

IMA Number

IMA 2000-019

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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