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Ferroceladonite

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Ferroseladonit auf Sazhinit
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Ferroseladonit auf Sazhinit

grüne, taflige Kristalle von Ferroseladonit, Aris Steinbrüche, Windhoek Rural, Khomas, Namibia; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-08
Locality: Aris-Steinbrüche (Ariskop Quarry; Railway Quarry) / Aris / Windhoek-Land, Kreis / Khomas, Region / Namibia

Collectors Summary

Hardness (Mohs) 2.25
Cleavages vollkommen {001}
Fracture erdig bei Aggregaten
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

K(Fe2+,Mg)(Fe3+,Al)[(OH)2|Si4O10]

Chem­ical com­po­si­tion

Aluminium, Eisen, Magnesium, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 442.03893355 u; Number of atoms in the formula: 21

Info

Empirical formula:

K(Fe0.75Mg0.25)(Fe0.75Al0.25)[(OH)2Si4O10]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.46

2

9.52

1.0079470

2.0158940

Oxygen

O

43.43

12

57.14

15.9994300

191.9931600

Magnesium

Mg

1.37

0.25

1.19

24.3050600

6.0762650

Aluminium

Al

1.53

0.25

1.19

26.9815382

6.7453846

Silicon

Si

25.41

4

19.05

28.0855300

112.3421200

Potassium

K

8.84

1

4.76

39.0983100

39.0983100

Iron

Fe

18.95

1.5

7.14

55.8452000

83.7678000

Strunz 9th edi­tion incl. updates

9.EC.15

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

Lapis Clas­sifica­tion

VIII/H.10-040

VIII: SILIKATE
H: Schichtsilikate
10: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Glimmer-Gruppe; Seladonit/Muskovit-Reihe (Phengite)

Clas­sifica­tion by Hölzel

9.ED.330

9: SILICATES
E: Phyllosilicates
D: Biotite-Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Mica group  ⇒ True micas

Optical Properties

RI value α / ω / n

1.640

Ri mean

1.640

2V angle

Biaxial

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

5.270

Cell param­e­ters b (Å)

9.106

Cell param­e­ters c (Å)

10.125

Cell param­e­ters a/b or c/a

0.579

Cell param­e­ters c/b

1.112

Cell param­e­ters α

90°

Cell param­e­ters β

100.27

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

478.1

X-Ray Pow­der Diffrac­tion

10.0(40),
3.65(50),
3.358(90),
3.321(100),
3.090(60),
2.91(40),
2.671(50),
2.584(50)

XRD chart Ferroceladonite

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

Physical Properties

Hard­ness (Mohs)

2.25

VHN (Hard­ness Vick­ers)

42 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.045 (berechnet)

3.07 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {001}

Frac­ture

erdig bei Aggregaten

Tenac­ity

nicht erwähnt

(Co-)Type locality

(Co-)Type locality

Neuseeland/South Island/Southland, Region/Hokonui Hills

Preface

Author (Name, Year)

Li Gejing & Peacor & Coombs & Kawachi, 1997

References

American Mineralogist 82 (1997), 503

IMA group assignments

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

'Sericite' (Var.v. Muscovite)

9.EC.15

Ganterite

(Ba,Na,K)(Al,Mg)2[(OH,F)2|(Al,Si)Si2O10]

monoklin : 2/m : C2/c

9.EC.15

Muscovite

KAl2(Si3Al)O10(OH,F)2

monoklin : 2/m : C2/c

9.EC.15

Tobelite

(NH4,K)Al2(Si3Al)O10(OH)2

monoklin : 2/m : C2/m

9.EC.15

'Glauconite'

(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

monoklin : 2/m : C2/m

9.EC.15

Montdorite

KMn0.52+Fe1.52+Mg0.5[F2|Si4O10]

monoklin : 2/m : C2/m

9.EC.15

Nanpingite

CsAl2(Si,Al)4O10(OH,F)2

monoklin : 2/m : C2/c

9.EC.15

Paragonite

NaAl2(Si3Al)O10(OH)2

monoklin : 2/m : C2/c

9.EC.15

Celadonite

K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2

monoklin : 2 : C2

9.EC.15

Chernykhite

BaV2(Si2Al2)O10(OH)2

monoklin : 2/m : C2/c

9.EC.15

Roscoelite

K(V,Al,Mg)2AlSi3O10(OH)2

monoklin : 2/m : C2/m

9.EC.15

Tainiolite

KLiMg2Si4O10F2

monoklin : 2/m : C/2m

9.EC.15

Voloshinite

Rb(LiAl1.50.5)(Al0.5Si3.5)O10F2

monoklin : C2/c

9.EC.15

Cossaite

(Mg0.5,◻)Al6(SO4)6(HSO4)F6·36H2O

trigonal : 3 : R3

9.EC.15

'Muscovite-1M' (Pol.v. Muscovite)

KAl2(Si3Al)O10(OH,F)2

monoklin : 2/m : C2/m

9.EC.15

'Muscovite-2A' (Pol.v. Muscovite)

KAl2(Si3Al)O10(OH,F)2

triklin : 1 : C1

9.EC.15

'Boromuscovite'

KAl2(Si3B)O10(OH,F)2

monoklin : 2/m : C2/m

9.EC.15

Chromphyllite

K(Cr,Al)2[(OH,F)2|AlSi3O10]

monoklin : 2/m : C2/c

9.EC.15

'Muscovite-3T' (Pol.v. Muscovite)

KAl2(Si3Al)O10(OH,F)2

trigonal : 32 : P3112

9.EC.15

'Muscovite-2M2' (Pol.v. Muscovite)

KAl2(Si3Al)O10(OH,F)2

monoklin : 2/m

9.EC.15

Chromceladonite

KMgCr[(OH)2|Si4O10]

monoklin : 2 : C2

9.EC.15

Ferroceladonite

K(Fe2+,Mg)(Fe3+,Al)[(OH)2|Si4O10]

monoklin : 2/m : C2/m

9.EC.15

Aluminoceladonite

K(Mg,Fe2+)Al[(OH)2|Si4O10]

9.EC.15

Manganiceladonite

KMgMn3+Si4O10(OH)2

monoklin : 2/m, 2 : C2, C2/m

9.EC.15

'Zweiaxiger glimmer'

KAl2(Si,Al)4O10(OH)2

9.EC.15

Ferroaluminoceladonite

K(Fe2+,Mg)(Al,Fe3+)[(OH)2|Si4O10]

monoklin : 2/m : C2/m

9.EC.15

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

Aluminoceladonite

K(Mg,Fe2+)Al[(OH)2|Si4O10]

VIII/H.10-010

Ferroaluminoceladonite

K(Fe2+,Mg)(Al,Fe3+)[(OH)2|Si4O10]

monoklin : 2/m : C2/m

VIII/H.10-020

Celadonite

K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2

monoklin : 2 : C2

VIII/H.10-030

Chromceladonite

KMgCr[(OH)2|Si4O10]

monoklin : 2 : C2

VIII/H.10-035

Ferroceladonite

K(Fe2+,Mg)(Fe3+,Al)[(OH)2|Si4O10]

monoklin : 2/m : C2/m

VIII/H.10-040

Paragonite

NaAl2(Si3Al)O10(OH)2

monoklin : 2/m : C2/c

VIII/H.10-050

'Boromuscovite'

KAl2(Si3B)O10(OH,F)2

monoklin : 2/m : C2/m

VIII/H.10-060

Muscovite

KAl2(Si3Al)O10(OH,F)2

monoklin : 2/m : C2/c

VIII/H.10-070

Chromphyllite

K(Cr,Al)2[(OH,F)2|AlSi3O10]

monoklin : 2/m : C2/c

VIII/H.10-080

Roscoelite

K(V,Al,Mg)2AlSi3O10(OH)2

monoklin : 2/m : C2/m

VIII/H.10-090

Ganterite

(Ba,Na,K)(Al,Mg)2[(OH,F)2|(Al,Si)Si2O10]

monoklin : 2/m : C2/c

VIII/H.10-095

Tobelite

(NH4,K)Al2(Si3Al)O10(OH)2

monoklin : 2/m : C2/m

VIII/H.10-100

Nanpingite

CsAl2(Si,Al)4O10(OH,F)2

monoklin : 2/m : C2/c

VIII/H.10-110

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

'Glauconite'

(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

monoklin : 2/m : C2/m

9.ED.300

Celadonite

K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2

monoklin : 2 : C2

9.ED.320

Aluminoceladonite

K(Mg,Fe2+)Al[(OH)2|Si4O10]

9.ED.325

Ferroceladonite

K(Fe2+,Mg)(Fe3+,Al)[(OH)2|Si4O10]

monoklin : 2/m : C2/m

9.ED.330

Ferroaluminoceladonite

K(Fe2+,Mg)(Al,Fe3+)[(OH)2|Si4O10]

monoklin : 2/m : C2/m

9.ED.335

Chromceladonite

KMgCr[(OH)2|Si4O10]

monoklin : 2 : C2

9.ED.350

Montdorite

KMn0.52+Fe1.52+Mg0.5[F2|Si4O10]

monoklin : 2/m : C2/m

9.ED.360

Other languages

Spanish

Ferroceladonita

English

Ferroceladonite

French

Ferroceladonite

German

Ferroseladonit

Russian

Ферроселадонит

Japanese

鉄セラドン石

Alternative Name

German

Ferroceladonit

Japanese

鉄セラドン石

IMA Number

IMA 1995-018

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Ферроселадонит

Mineral Dealer

German pages

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

Locations with GPS information