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Zirklerite

Additional Functions

Collectors Summary

Color grauweiß
Streak color grauweiß
Hardness (Mohs) 3.5
Solubility +++ Säuren
Crystal System hexagonal,

Chemism

Chem­ical formula

(Fe2+,Mg)9Al4Cl18(OH)12 ·14H2O

Chem­ical com­po­si­tion

Aluminium, Chlor, Eisen, Magnesium, Sauerstoff, Wasserstoff

Unit weight: 1634.0282978 u; Number of atoms in the formula: 97

Info

Empirical formula:

(Fe0.75Mg0.25)9Al4Cl18(OH)12·14H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.47

40

41.24

1.0079470

40.3178800

Oxygen

O

25.46

26

26.80

15.9994300

415.9851800

Magnesium

Mg

3.35

2.25

2.32

24.3050600

54.6863850

Aluminium

Al

6.60

4

4.12

26.9815382

107.9261528

Chlorine

Cl

39.05

18

18.56

35.4532000

638.1576000

Iron

Fe

23.07

6.75

6.96

55.8452000

376.9551000

Strunz 9th edi­tion incl. updates

3.CJ.25

3: Halide (Fluoride, Chloride, Bromide, Iodide)
C: Komplexe Halogenide
J: Mit MX6 Komplexen; M = [Fe], [Mn], [Cu]
25:unklassifiziert

Lapis Clas­sifica­tion

III/D.04-010

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
D: Oxihalogenide
4: Oxihalogenide mit Mg-Mn-Cu-Zn-Sn

Clas­sifica­tion by Hölzel

3.CC.300

3: HALIDES
C: Simple Halides with (O,OH)
C: With OH and H2O

Hey's Chem­ical Index of Min­er­als

08.06.19

08: Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
06: Halides of Al

Dana 8th edi­tion

10.06.05.01

10: Oxyhalides and Hydroxyhalides
06: Oxyhalides and Hydroxyhalides where Am Bn (O,OH)p Xq

IMA sta­tus

Status fragwürdig

Optical Properties

Color

grauweiß

Streak color

grauweiß

Diaphane­ity (Trans­parency)

durchscheinend

max. Birefrin­gence

0.009

Birefringence chart\! Zirklerite title=Birefringence chart Zirklerite

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

1.547

RI value γ / ε

1.556

Ri mean

1.550

2V angle

Uniaxial (+)

Crystallography

Crystal Sys­tem

hexagonal

Cell param­e­ters b (Å)

-

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.6 (gemessen)

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Deutschland/Niedersachsen/Heidekreis, Landkreis/Schwarmstedt/Grube Adolfsglück

Type mate­r­ial

The Natural History Museum, London, England

Col­lec­tion number of type mate­r­ial

1929,40

Preface

Name from

Dr.-Ing. Bergrat Zirkler, Generaldirektor der Aschersleben Pottasche Werk, Deutschland

Author (Name, Year)

Harbort, 1928

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 628

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

'Redikortsevite'

(NH4)MgCl3·6H2O

orthorhombisch : mm2 : Bb21m

3.CJ.25

'Zirklerite'

(Fe2+,Mg)9Al4Cl18(OH)12 ·14H2O

3.CJ.25

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

Zharchikhite

AlF(OH)2

monoklin : 2/m : P21/a

III/D.04-005

'Zirklerite'

(Fe2+,Mg)9Al4Cl18(OH)12 ·14H2O

III/D.04-010

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

'Zirklerite'

(Fe2+,Mg)9Al4Cl18(OH)12 ·14H2O

3.CC.300

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

Diaboleite

Pb2CuCl2(OH)4

tetragonal : 4mm : P4mm

10.06.01.01

Koenenite

Na4Mg9Al4Cl12(OH)22

trigonal : 3 : R3

10.06.02.01

Yedlinite

Pb6CrCl6(O,OH)8

trigonal : 3 : R3

10.06.03.01

Chloroxiphite

Pb3CuCl2(OH)2O2

monoklin : 2/m : P21/m

10.06.04.01

Zirkelite

(Ti,Ca,Zr)O2-x

10.06.05.01

'Zirklerite'

(Fe2+,Mg)9Al4Cl18(OH)12 ·14H2O

10.06.05.01

Boleite

KPb26Ag9Cu24(OH)48Cl62

kubisch : m3m : Pm3m

10.06.06.01

Cumengeite

Pb21Cu20Cl42(OH)40·6H2O

tetragonal : 4/mmm : I4/mmm

10.06.07.01

Pseudoboleite

Pb31Cu24Cl62(OH)48

tetragonal : 4/mmm : I4/mmm

10.06.08.01

Bideauxite

Pb2Ag[(F,OH)2|Cl3]

kubisch : m3m : Fd3m

10.06.09.01

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

'Zirklerite'

(Fe2+,Mg)9Al4Cl18(OH)12 ·14H2O

08.06.19

Other languages

German

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Spanish

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English

Zirklerite

French

Zirklerite

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