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Chromceladonite

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Chromseladonit
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Chromseladonit

grüne, lagige Partien von Chromseladonit, Srednyaya Padma Mine, Velikaya Guba, Zaonezhie Halbinsel, Karelien, Russland; BB 5 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-20
Locality: Srednyaya Padma U-V-Lagerstätte / Velikaya Guba U-Lagerstätte / Zaonezhie-Halbinsel / Onegasee / Karelien, Republik / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color grün
Streak color hellgrün
Lustre Glasglanz, Seidenglanz
Hardness (Mohs) 1.00 - 2.00
Cleavages {001} vollkommen
Fracture schiefrig
Crystal System monoklin, C2

Chemism

Chem­ical formula

KMgCr[(OH)2|Si4O10]

Chem­ical com­po­si­tion

Chrom, Magnesium, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 421.750704 u; Number of atoms in the formula: 21

Info

Empirical formula:

KMgCr[(OH)2Si4O10]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.48

2

9.52

1.0079470

2.0158940

Oxygen

O

45.52

12

57.14

15.9994300

191.9931600

Magnesium

Mg

5.76

1

4.76

24.3050600

24.3050600

Silicon

Si

26.64

4

19.05

28.0855300

112.3421200

Potassium

K

9.27

1

4.76

39.0983100

39.0983100

Chromium

Cr

12.33

1

4.76

51.9961600

51.9961600

Anal­y­sis wt%

SiO2 : 53.20, Al2O3 : 3.25, Cr2O3 : 17.01, V2O3 : 1.79, Fe2O3 : 0.58, FeO : 0.73, MgO : 7.82, K2O : 10.42, H2O : 3.38, F : 0.57 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2000)

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.10-035

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.350

9: SILICATES
E: Phyllosilicates
D: Biotite-Group

IMA sta­tus

anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grün

Streak color

hellgrün

Lus­tre

Glasglanz, Seidenglanz

max. Birefrin­gence

0.049

Birefringence chart\! Chromceladonite title=Birefringence chart Chromceladonite

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

1.605

RI value β

1.648

RI value γ / ε

1.654

Ri mean

1.636

2V angle

Biaxial (-) 12°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2

Space Group number

5

Space Group

C2

Cell param­e­ters a (Å)

5.267

Cell param­e­ters b (Å)

9.101

Cell param­e­ters c (Å)

10.162

Cell param­e­ters a/b or c/a

0.579

Cell param­e­ters c/b

1.117

Cell param­e­ters α

90°

Cell param­e­ters β

100.67

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

478.693

X-Ray Pow­der Diffrac­tion

4.54(90),
4.36(40),
3.638(60),
3.097(50),
2.588(100),
2.583(40),
2.409(90),
1.518(60)

XRD chart Chromceladonite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1.00 - 2.00

VHN (Hard­ness Vick­ers)

24 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.9 (gemessen) 2.95 (berechnet)

2.926 ( ρ calc. Mineralienatlas )

Cleav­ages

{001} vollkommen

Frac­ture

schiefrig

Tenac­ity

flexibel, aber nicht elastisch

Preface

Author (Name, Year)

Pekov & Rumiantseva & Chukanov & Kabalov & Schneider & Ledeneva, 2000

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 129 (2000) (1), 38-44.

American Mineralogist 86 (2001), 376 (Zusammenfassung).

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

French

Chromceladonite

English

Chromceladonite

German

Chromseladonit

Spanish

Cromceladonita

Russian

Хромселадонит

Alternative Name

German

Chromceladonit

Spanish

Chromceladonita

IMA Number

IMA 1999-024

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

German pages

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

English pages

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

Webmineral.ru - search for: Хромселадонит

Mineral Dealer

German pages

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