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Aluminocopiapite (Aluminocopiapit)

Pictures (3 Images total)

Aluminocopiapit
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Aluminocopiapit

Italien/Toskana (Toscana)/Siena, Provinz/Chiusdino/Le Cetine di Cotorniano Mine; Aluminocopiapit-hellgelb 2,5 cm

Collection: anatase2
Copyright: Joerg M.
Contribution: anatase2 2018-03-09
Locality: Le Cetine di Cotorniano Mine / Chiusdino / Siena, Provinz / Toskana (Toscana) / Italien
Aluminocopiapite
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Aluminocopiapite

Locality: Mina Casualidad, Baños de Alhamilla, Pechina, Almería, Andalusia, Spain; Fov: 8 mm; 2.2020

Copyright: Christian Rewitzer
Contribution: Stefan 2020-02-28
Locality: Mina Casualidad / Minas los Baños / Pechina / Sierra Alhamilla / Almería, Provinz / Andalusien (Andalucía) / Spanien
Aluminocopiapit
Views (Image: 1597064309): 141
Aluminocopiapit

USA/Kalifornien (California)/Mono Co./White Mts/Laws/Champion Mine. Bildbreite 1,2 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2020-08-10
Locality: Champion Mine / Laws / White Mts / Mono Co. / Kalifornien (California) / USA

Collectors Summary

Color gelb
Streak color blassgelb
Hardness (Mohs) 2.75
Solubility +++ H2O, Säuren, Aufbewahren in einem versiegelten Behälter
Crystal System triklin, P1

Chemism

Chem­ical formula

(Al,Mg)Fe3+4(SO4)6(OH,O)2·20H2O

Chem­ical com­po­si­tion

Aluminium, Eisen, Magnesium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1219.88979915 u; Number of atoms in the formula: 98.5

Info

Empirical formula:

(Al0.75Mg0.25)Fe4(SO4)6((OH)0.75O0.25)2·20H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.43

41.5

42.13

1.0079470

41.8298005

Oxygen

O

60.33

46

46.70

15.9994300

735.9737800

Magnesium

Mg

0.50

0.25

0.25

24.3050600

6.0762650

Aluminium

Al

1.66

0.75

0.76

26.9815382

20.2361537

Sulfur

S

15.77

6

6.09

32.0655000

192.3930000

Iron

Fe

18.31

4

4.06

55.8452000

223.3808000

Anal­y­sis wt%

MgO : 1.94, Fe2O3 : 23.16, Al2O3 : 3.12, SO3 : 39.18, H2O : 30.40 (Ref: American Mineralogist 67)

Strunz 9th edi­tion incl. updates

7.DB.35

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
B: mit mittelgroßen Kationen; isolierte Oktaeder und begrenzte Einheiten
35:Copiapit-Gruppe

Lapis Clas­sifica­tion

VI/D.10-080

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
10: Mittelgroße Kationen; Copiapit-Gruppe

Clas­sifica­tion by Hölzel

7.DC.110

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
C: Copiapite-Group

Dana 8th edi­tion

31.10.05.07

31: Hydrated Sulfates Containing Hydroxyl or Halogen
10: Hydrated Sulfates Containing Hydroxyl or Halogen miscellaneous
05: Copiapite Group

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Copiapite group

Optical Properties

Color

gelb

Streak color

blassgelb

RI value β

1.535

RI value γ / ε

1.585

2V angle

Biaxial (+) nd

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

7.30

Cell param­e­ters b (Å)

18.80

Cell param­e­ters c (Å)

7.31

Cell param­e­ters a/b or c/a

0.388

Cell param­e­ters c/b

0.389

Cell param­e­ters α

91.50

Cell param­e­ters β

102.30

Cell param­e­ters γ

98.70

Z

1

Volumne (ų)

967.145

X-Ray Pow­der Diffrac­tion

18.1(80),
9.2(100),
6.17(70),
5.58(80),
5.32(30),
4.68(30),
3.58(50),
3.50(50)

XRD chart Aluminocopiapite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.75

VHN (Hard­ness Vick­ers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.16 (berechnet)

2.094 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O, Säuren, Aufbewahren in einem versiegelten Behälter

(Co-)Type locality

(Co-)Type locality

USA/Utah/Emery Co./San Rafael District/Temple Mountain

Preface

Author (Name, Year)

Berry, 1947

References

American Mineralogist 52 (1967), 1220

IMA group assignments

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

Copiapite

Fe2+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DB.35

Cuprocopiapite

CuFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DB.35

Ferricopiapite

Fe2-33+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DB.35

Zincocopiapite

ZnFe43+(SO4)6(OH)2·18H2O

triklin : 1 : P1

7.DB.35

Calciocopiapite

CaFe43+(SO4)6(OH)2·19 H2O

triklin : 1 : P1

7.DB.35

Aluminocopiapite

(Al,Mg)Fe3+4(SO4)6(OH,O)2·20H2O

triklin : 1 : P1

7.DB.35

Magnesiocopiapite

MgFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DB.35

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

Botryogen

MgFe3+(SO4)2(OH)·7H2O

monoklin : 2/m : P21/n

VI/D.10-010

Zincobotryogen

ZnFe3+(SO4)2(OH)·7H2O

monoklin : 2/m : P21/n

VI/D.10-020

Calciocopiapite

CaFe43+(SO4)6(OH)2·19 H2O

triklin : 1 : P1

VI/D.10-030

Magnesiocopiapite

MgFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

VI/D.10-040

Copiapite

Fe2+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

VI/D.10-050

Cuprocopiapite

CuFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

VI/D.10-060

Zincocopiapite

ZnFe43+(SO4)6(OH)2·18H2O

triklin : 1 : P1

VI/D.10-070

Aluminocopiapite

(Al,Mg)Fe3+4(SO4)6(OH,O)2·20H2O

triklin : 1 : P1

VI/D.10-080

Ferricopiapite

Fe2-33+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

VI/D.10-090

Guildite

CuFe3+(SO4)2(OH)·4H2O

monoklin : 2/m : P21/m

VI/D.10-100

Chaidamuite

(Zn,Fe2+)Fe3+OH(SO4)2·4H2O

triklin : 1 : P1

VI/D.10-110

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

Magnesiocopiapite

MgFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DC.100

Aluminocopiapite

(Al,Mg)Fe3+4(SO4)6(OH,O)2·20H2O

triklin : 1 : P1

7.DC.110

Cuprocopiapite

CuFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DC.130

Zincocopiapite

ZnFe43+(SO4)6(OH)2·18H2O

triklin : 1 : P1

7.DC.140

Copiapite

Fe2+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DC.160

Ferricopiapite

Fe2-33+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

7.DC.170

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

Ettringite

Ca6Al2(SO4)3(OH)12·26H2O

trigonal : 3m : P31c

31.10.02.01

Bentorite

Ca6(Cr,Al)2(SO4)3(OH)12·26 H2O

31.10.02.02

Buryatite

Ca3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6·12H2O

trigonal : 3m : P31c

31.10.02.03

Zaherite

Al12(SO4)5(OH)26·20H2O

triklin : 1, 1 : P1, P1

31.10.03.01

Zippeite

K3(UO2)4(SO4)2O3(OH)·3H2O

monoklin : 2 : C2

31.10.04.01

Natrozippeite

Na5(UO2)8(SO4)4O5(OH)3·12H2O

monoklin : 2/m : P21/n

31.10.04.02

Magnesiozippeite

Mg(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

31.10.04.03

Nickelzippeite

Ni2(UO2)6(SO4)3(OH)10·16H2O

monoklin : 2/m : C2/m

31.10.04.04

Zinczippeite

Zn(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

31.10.04.05

Cobaltzippeite

Co(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

31.10.04.06

Marécottite

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

triklin : 1 : P1

31.10.04.07

Copiapite

Fe2+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

31.10.05.01

Magnesiocopiapite

MgFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

31.10.05.02

Cuprocopiapite

CuFe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

31.10.05.03

Ferricopiapite

Fe2-33+Fe43+(SO4)6(OH)2·20H2O

triklin : 1 : P1

31.10.05.04

Calciocopiapite

CaFe43+(SO4)6(OH)2·19 H2O

triklin : 1 : P1

31.10.05.05

Zincocopiapite

ZnFe43+(SO4)6(OH)2·18H2O

triklin : 1 : P1

31.10.05.06

Aluminocopiapite

(Al,Mg)Fe3+4(SO4)6(OH,O)2·20H2O

triklin : 1 : P1

31.10.05.07

Clairite

(NH4)2(Fe3+,Mn3+)3(SO4)4(OH)3·3H2O

31.10.08.01

Caminite

Mg1.4(SO4)(OH)0.8·0.2H2O

tetragonal : 4/mmm : I41/amd

31.10.09.01

Other languages

German

Aluminocopiapit

Spanish

Aluminocopiapita

French

Aluminocopiapite

English

Aluminocopiapite

Russian

Алюминокопиапит

Alternative Name

German

Aluminiocopiapit

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

German pages

DeWikiPedia - search for: Aluminocopiapit
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English pages

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Russian pages

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German pages

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Locations with GPS information