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Redingtonite

Collectors Summary

Color weiß, hellviolett, hellpurpurfarben
Streak color weiß
Solubility +++ H2O

Chemism

Chem­ical formula

(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O

Chem­ical com­po­si­tion

Aluminium, Chrom, Eisen, Magnesium, Nickel, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 918.7429971 u; Number of atoms in the formula: 89

Info

Empirical formula:

(Fe0.6Mg0.3Ni0.1)(Cr0.75Al0.25)2(SO4)4·22H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

4.83

44

49.44

1.0079470

44.3496680

Oxygen

O

66.18

38

42.70

15.9994300

607.9783400

Magnesium

Mg

0.79

0.3

0.34

24.3050600

7.2915180

Aluminium

Al

1.47

0.5

0.56

26.9815382

13.4907691

Sulfur

S

13.96

4

4.49

32.0655000

128.2620000

Chromium

Cr

8.49

1.5

1.69

51.9961600

77.9942400

Iron

Fe

3.65

0.6

0.67

55.8452000

33.5071200

Nickel

Ni

0.64

0.1

0.11

58.6934200

5.8693420

Strunz 9th edi­tion incl. updates

7.CB.85

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
B: Mit ausschließlich mittelgroßen Kationen
85:Halotrichit-Gruppe

Lapis Clas­sifica­tion

VI/C.12-050

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
12: Mittelgroße und sehr große Kationen; Halotrichit-Gruppe

Clas­sifica­tion by Hölzel

7.CD.250

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
D: Sulfates, C medium + large
2: Halotrichite-Group

IMA sta­tus

Status fragwürdig

Optical Properties

Color

weiß, hellviolett, hellpurpurfarben

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

max. Birefrin­gence

nicht wahrnehmbar

2V angle

Biaxial

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Cell param­e­ters α

90°

Cell param­e­ters β

nd

Cell param­e­ters γ

90°

Physical Properties

Density (g/cm³)

1.761

Insta­bil­ity

+++ H2O

Preface

Author (Name, Year)

Becker, 1888

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 583

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

Apjohnite

MnAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Bílinite

Fe2+Fe23+(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Wupatkiite

(Co,Mg)Al2[SO4]4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Dietrichite

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Halotrichite

Fe2+Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Pickeringite

MgAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

'Redingtonite'

(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O

7.CB.85

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

Pickeringite

MgAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-010

Wupatkiite

(Co,Mg)Al2[SO4]4·22H2O

monoklin : 2/m : P21/c

VI/C.12-012

Halotrichite

Fe2+Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-020

Apjohnite

MnAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-030

Dietrichite

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-040

'Redingtonite'

(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O

VI/C.12-050

Bílinite

Fe2+Fe23+(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-060

'Caichengyunite'

(Fe2+)3Al2(SO4)6·30 H2O

VI/C.12-070

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

Pickeringite

MgAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.200

Dietrichite

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.210

Halotrichite

Fe2+Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.220

Wupatkiite

(Co,Mg)Al2[SO4]4·22H2O

monoklin : 2/m : P21/c

7.CD.225

Apjohnite

MnAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.230

Bílinite

Fe2+Fe23+(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.240

'Redingtonite'

(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O

7.CD.250

Mendozite

NaAl(SO4)2·11H2O

monoklin : 2/m : C2/c

7.CD.280

Kalinite

KAl(SO4)2·11 H2O

monoklin : 2/m : C2/c

7.CD.285

Other languages

German

Redingtonit

Spanish

Redingtonita

English

Redingtonite

French

Redingtonite

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

German pages

DeWikiPedia - search for: Redingtonit
Google-Bilder-Suche - search for: Redingtonit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Redingtonit

English pages

Mindat - search for: Redingtonite
Webmineral - search for:Redingtonite
Handbook-of-Mineralogy - search for: Redingtonite
RRUFF - Raman, XRD and other mineral data - search for: Redingtonite
RRUFF - References and PDF downloads - search for: Redingtonite
American-Mineralogist-Crystal-Structure-Database - search for: Redingtonite
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German pages

hausen - Mineralgroßhandel - search for: Redingtonit
Crystal-Treasure.com - search for: Redingtonit
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Locations with GPS information