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Redingtonite

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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:

(Fe_0.6Mg_0.3Ni_0.1)(Cr_0.75Al_0.25)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

Search for minerals with similar chemistry

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

(Co-)Type locality

USA /Kalifornien (California)/Napa Co./Knoxville /Redington Mine

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 monoklin	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 Athena - search for: Redingtonite

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German pages

hausen - Mineralgroßhandel - search for: Redingtonit
Crystal-Treasure.com - search for: Redingtonit
Bosse - search for: Redingtonit

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