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Orthochamosite (Orthochamosit)

Collectors Summary

Color grün, grünlich grau
Streak color grünlichweiß
Hardness (Mohs) 2.5
Crystal System orthorhombisch,

Chemism

Chemical formula

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

Chemical composition

Aluminium, Eisen, Magnesium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 664.1728784 u; Number of atoms in the formula: 34

Info

Empirical formula:

(Fe0.6Mg0.3Fe0.1)5Al(Si3Al)O10((OH)0.75O0.25)8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.91

6

17.65

1.0079470

6.0476820

Oxygen

O

43.36

18

52.94

15.9994300

287.9897400

Magnesium

Mg

5.49

1.5

4.41

24.3050600

36.4575900

Aluminium

Al

8.12

2

5.88

26.9815382

53.9630764

Silicon

Si

12.69

3

8.82

28.0855300

84.2565900

Iron

Fe

29.43

3.5

10.29

55.8452000

195.4582000

Strunz 9th edition incl. updates

9.EC.55

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
55:Chlorit Gruppe

Lapis Classification

VIII/H.23-040

VIII: SILIKATE
H: Schichtsilikate
23: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Chlorit-Gruppe

Classification by Hölzel

9.EM.180

9: SILICATES
E: Phyllosilicates
M: Serpentine-Group
1: Berthierine-Group

IMA status

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

Aberkannt, Polytyp von Chamosit - Bayliss P (1975) Nomenclature of the trioctahedral chlorites. The Canadian Mineralogist 13, 178-180

Mineral status

Polytype

Variety / polytype of

Chamosite

IMA Classification

IMA Classification

Chlorite group

Optical Properties

Color

grün, grünlich grau

Streak color

grünlichweiß

Diaphaneity (Transparency)

durchscheinend

2V angle

Biaxial

Crystallography

Crystal System

orthorhombisch

Cell parameters a (Å)

5.37

Cell parameters b (Å)

9.31

Cell parameters c (Å)

7.06

Cell parameters a/b or c/a

0.577

Cell parameters c/b

0.758

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

1

Volumne (ų)

352.963

Physical Properties

Hardness (Mohs)

2.5

VHN (Hardness Vickers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.1 - 3.15 / Durchschnittlich = 3.12

3.124 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Novak & Vtelensky & Losert & Kupa & Valcha, 1957

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 604

Name given to the ortho-hexagonal species first reported by Brindley (1951): Novák F, Vtelenský J, Losert J, Kupka F, Valcha Z (1957) The orthochamosite from the ore veins of Kank near Kutna Hora- a new specific mineral, Essays in honour of academician Frantis Slavik on the occasion of his eightieth birthday 1957, 315-344

Discreditiert da ein Polytyp von Chamosit: Bayliss P (1975) Nomenclature of the trioctahedral chlorites. The Canadian Mineralogist 13, 178-180

IMA group assignments

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

Baileychlore

(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8

triklin : 1, 1 : C1, C1

9.EC.55

Borocookeite

Li1-1.5Al4-3.5[(OH,F)8|(B,Al)Si3O10]

monoklin : 2/m : C2/m

9.EC.55

Chamosite

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

monoklin : 2/m : C2/m

9.EC.55

'Chlorite group'

(Fe,Mg,Al)6(Si,Al)4O10(OH)8

9.EC.55

'Chromian Clinochlore' (Var.v. Clinochlore)

Mg5(Al,Cr)2Si3O10(OH)8

9.EC.55

Clinochlore

(Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

Cookeite

LiAl4(Si3Al)O10(OH)8

triklin : 1 : C1

9.EC.55

'Delessite' (Var.v. Chamosite)

(Mg,Fe,Fe,Al)(Si,Al)4O10(O,OH)8

9.EC.55

Donbassite

Al2.3[(OH)8|AlSi3O10]

monoklin : 2 : C2

9.EC.55

Franklinfurnaceite

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

monoklin : 2 : C2

9.EC.55

Glagolevite

NaMg6[(OH,O)8|AlSi3O10]·H2O

triklin : 1 : C1

9.EC.55

Gonyerite

Mn2+5Fe3+(Si3Fe3+O10)(OH)8

9.EC.55

Nimite

(Ni,Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

Odinite

(Fe3+,Mg,Al,Fe2+,Ti,Mn)2.4(Si1.8Al0.2)O5(OH)4

9.EC.55

'Odinite-1T' (Pol.v. Odinite)

(Fe,Mg,Al)2.5(Si,Al)2O5(OH)4

9.EC.55

'Orthochamosite' (Pol.v. Chamosite)

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

9.EC.55

Pennantite

Mn2+5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

Sudoite

Mg2Al3(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

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

Donbassite

Al2.3[(OH)8|AlSi3O10]

monoklin : 2 : C2

VIII/H.23-005

Sudoite

Mg2Al3(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-010

Clinochlore

(Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-020

Chamosite

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

monoklin : 2/m : C2/m

VIII/H.23-030

'Orthochamosite' (Pol.v. Chamosite)

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

VIII/H.23-040

Baileychlore

(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8

triklin : 1, 1 : C1, C1

VIII/H.23-050

Pennantite

Mn2+5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-060

Nimite

(Ni,Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-070

Gonyerite

Mn2+5Fe3+(Si3Fe3+O10)(OH)8

VIII/H.23-080

Cookeite

LiAl4(Si3Al)O10(OH)8

triklin : 1 : C1

VIII/H.23-090

Borocookeite

Li1-1.5Al4-3.5[(OH,F)8|(B,Al)Si3O10]

monoklin : 2/m : C2/m

VIII/H.23-095

Manandonite

Li2Al4[(Si2AlB)O10](OH)8

triklin : 1 : C1

VIII/H.23-100

Jadarite

LiNaB3SiO7(OH)

VIII/H.23-105

Franklinfurnaceite

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

monoklin : 2 : C2

VIII/H.23-110

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

Odinite

(Fe3+,Mg,Al,Fe2+,Ti,Mn)2.4(Si1.8Al0.2)O5(OH)4

9.EM.100

'Odinite-1T' (Pol.v. Odinite)

(Fe,Mg,Al)2.5(Si,Al)2O5(OH)4

9.EM.105

Brindleyite

(Ni,Mg,Fe2+)2Al(SiAl)O5(OH)4

9.EM.110

Berthierine

(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4

monoklin : 2/m : C2/m

9.EM.130

Caryopilite

Mn2+3Si2O5(OH)4

monoklin : m : Cm

9.EM.140

Cronstedtite

Fe22+Fe3+(SiFe3+)O5(OH)4

trigonal : 3m : P31m

9.EM.150

Fraipontite

(Zn,Al)3(Si,Al)2O5(OH)4

9.EM.160

'Orthochamosite' (Pol.v. Chamosite)

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

9.EM.180

Greenalite

(Fe2+,Fe3+)2-3Si2O5(OH)4

monoklin : m : Cm

9.EM.190

Other languages

German

Orthochamosit

English

Orthochamosite

French

Orthochamosite

Spanish

Ortochamosita

Alternative Name

Orthoberthierine

Spanish

Orthochamosita

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

German pages

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

English pages

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

German pages

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

Locations with GPS information




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