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Celadonite

Pictures (33 Images total)

Seladonit
Views (Image: 1295211334): 4825
Seladonit (SNr: A020621)

Weiße faserige gebogene Kristalle; BB = 2,9 mm. Fundort: Waitakera Stream, Waitakere, Auckland Region, North Island, Neuseeland.
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2011-01-16
Locality: Waitakere Stream / Waitakera / Auckland, Region / North Island / Neuseeland
Seladonit
Views (Image: 1293190653): 3927
Seladonit (SNr: A018607)

FO: Todd's Quarry, Dargaville, North Island, Neuseeland; braune körnige Kristalle, zusammen mit Pyrit und Calcit; BB: 2,5 mm
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2010-12-24
Locality: Todd's Quarry / Dargaville / Kaipara-Distrikt / Northland, Region / North Island / Neuseeland
Seladonit
Views (Image: 1514110918): 2082
Seladonit

Eine Vielzahl der Mandeln im Edelsteindorado zeigen nur wenig oder gar keinen Achat. In ihrem Inneren findet man dann hauptsächlich limonitische Bildungen, z.T. pseudomorph nach eisenhaltigen Karbo...
Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2017-12-24
Locality: Edelsteindorado / Auf Hassel / Freisen / St. Wendel, Landkreis / Saarland / Deutschland
Grüner Seladonit (nicht analysiert), perimorph nach Stilbit
Views (Image: 1530539464): 1652
Grüner Seladonit (nicht analysiert), perimorph nach Stilbit (SNr: A039127)

vom Pufler Loch, Seiser Alm, St. Ulrich, Bozen, Südtirol, Italien, BB = 6,5 mm
Collection: Lithothek der Münchener Micromounter
Copyright: husi
Contribution: Münchener Micromounter 2018-07-02
Locality: Pufler Loch / St. Ulrich / Seiser Alm (Siusi Alp; Alpe di Suisi) / Grödner Tal / Südtirol (Bozen), Provinz / Trentino-Südtirol (Trentino-Alto Adige), Region / Italien
Seladonit oo Quarz xx
Views (Image: 1358603184): 3232
Seladonit oo Quarz xx

Molignonjoch Dialer Bohlen Seiseralm Grödnertal Südtirol Italien. BB=24mm.
Collection: pilzpirat
Copyright: pilzpirat
Contribution: pilzpirat 2013-01-19
Locality: Dialer Bohlen / St. Ulrich / Seiser Alm (Siusi Alp; Alpe di Suisi) / Grödner Tal / Südtirol (Bozen), Provinz / Trentino-Südtirol (Trentino-Alto Adige), Region / Italien
Heulandit, grün durch Celadonit-Inklusen
Views (Image: 1231281289): 4821
Heulandit, grün durch Celadonit-Inklusen

Fundort: Jalgaon, Maharashtra, Indien; Größe: 45x42x43 mm
Copyright: Fabre Minerals
Contribution: slugslayer 2009-01-06
Locality: Jalgaon, Distrikt / Maharashtra / Indien

Collectors Summary

Color dunkel bläulichgrün
Streak color blass grün
Hardness (Mohs) 2
Solubility +++ Säuren
Crystal System monoklin, C2

Chemism

Chem­ical formula

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

Chem­ical com­po­si­tion

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

Unit weight: 426.26886355 u; Number of atoms in the formula: 21

Info

Empirical formula:

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

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.47

2

9.52

1.0079470

2.0158940
Oxygen

O

45.04

12

57.14

15.9994300

191.9931600
Magnesium

Mg

4.28

0.75

3.57

24.3050600

18.2287950
Aluminium

Al

1.58

0.25

1.19

26.9815382

6.7453846
Silicon

Si

26.35

4

19.05

28.0855300

112.3421200
Potassium

K

9.17

1

4.76

39.0983100

39.0983100
Iron

Fe

13.10

1

4.76

55.8452000

55.8452000

Anal­y­sis wt%

SiO2 : 53.23, Al2O3 : 2.13, Fe2O3 : 20.46, FeO : 4.14, MgO : 5.67, K2O : 7.95, H2O : 6.18 (Ref: American Mineralogist 64)

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.10-030

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.320

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

Color

dunkel bläulichgrün

Streak color

blass grün

Diaphane­ity (Trans­parency)

durchscheinend bis opak

max. Birefrin­gence

0.023
Birefringence chart\! Celadonite title=Birefringence chart Celadonite

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

1.610

RI value β

1.632

RI value γ / ε

1.633

Ri mean

1.625

2V angle

Biaxial (-) 13°!

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2

Space Group number

5

Space Group

C2

Cell param­e­ters a (Å)

5.23

Cell param­e­ters b (Å)

9.06

Cell param­e­ters c (Å)

10.13

Cell param­e­ters a/b or c/a

0.577

Cell param­e­ters c/b

1.118

Cell param­e­ters α

90°

Cell param­e­ters β

100.92

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

471.306

X-Ray Pow­der Diffrac­tion

4.53(80),
3.818(70),
3.635(80),
3.087(80),
2.678(70),
2.604(70),
2.580(100),
2.402(70)
XRD chart Celadonite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2

VHN (Hard­ness Vick­ers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.05

3.004 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Deutschland/Sachsen/Zwickau, Landkreis/Zwickau/Planitz

Preface

Author (Name, Year)

Glocker, 1847

References

Canadian Mineralogist 36 (1998), 905

IMA group assignments

 
Mica group
 
 
 

 
 
True micas
 
 
 

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

 
 
 
Annite
KFe2+3(Si3Al)O10(OH,F)2
monoklin
C2/m

 
 
 
Aspidolite-1M
NaMg3(AlSi3)O10(OH)2
monoklin
C2/m

 
 
 
Boromuscovite
KAl2(Si3B)O10(OH,F)2
monoklin
C2/m

 
 
 
Celadonite
K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2
monoklin
C2

 
 
 
Chromphyllite
K(Cr,Al)2[(OH,F)2|AlSi3O10]
monoklin
C2/c

 
 
 
Eastonite
KMg2Al[(OH)2|Al2Si2O10]
monoklin
C2

 
 
 
Ephesite
NaLiAl2(Al2Si2)O10(OH)2
monoklin
Cc

 
 
 
Ferroaluminoceladonite
K(Fe2+,Mg)(Al,Fe3+)[(OH)2|Si4O10]
monoklin
C2/m

 
 
 
Ferroceladonite
K(Fe2+,Mg)(Fe3+,Al)[(OH)2|Si4O10]
monoklin
C2/m

 
 
 
Fluorannite
KFe32+[(F,OH)2|AlSi3O10]
monoklin
C2/m

 
 
 
Ganterite
(Ba,Na,K)(Al,Mg)2[(OH,F)2|(Al,Si)Si2O10]
monoklin
C2/c

 
 
 
Hendricksite
K(Zn,Mn)3Si3AlO10(OH)2
monoklin
C2/m

 
 
 
Masutomilite
K(Li,Al,Mn2+)3(Si,Al)4O10(F,OH)2
monoklin
C2

 
 
 
Montdorite
KMn0.52+Fe1.52+Mg0.5[F2|Si4O10]
monoklin
C2/m

 
 
 
Muscovite
KAl2(Si3Al)O10(OH,F)2
monoklin
C2/c

 
 
 
Nanpingite
CsAl2(Si,Al)4O10(OH,F)2
monoklin
C2/c

 
 
 
Norrishite
KLiMn3+2Si4O12
monoklin
C2/m

 
 
 
Paragonite
NaAl2(Si3Al)O10(OH)2
monoklin
C2/c

 
 
 
Phlogopite
KMg3(Si3Al)O10(F,OH)2
monoklin
C2/m

 
 
 
Polylithionite
KLi2AlSi4O10(F,OH)2
monoklin
C2/m

 
 
 
Preiswerkite
NaMg2Al3Si2O10(OH)2
monoklin
C2/m

 
 
 
Roscoelite
K(V,Al,Mg)2AlSi3O10(OH)2
monoklin
C2/m

 
 
 
Shirozulite
K(Mn2+,Mg)3[(OH)2|AlSi3O10]
 
 

 
 
 
Siderophyllite
KFe22+Al(Al2Si2)O10(F,OH)2
monoklin
C2/m

 
 
 
Sokolovaite
CsLi2AlSi4O10F2
monoklin
 

 
 
 
Tainiolite
KLiMg2Si4O10F2
monoklin
C/2m

 
 
 
Tetraferriannite
KFe2+3(Si3Fe3+)O10(OH)2
monoklin
C2/m

 
 
 
Tetraferriphlogopite
KMg3[(F,OH)2|(Al,Fe3+)Si3O10]
monoklin
C2/m

 
 
 
Tobelite
(NH4,K)Al2(Si3Al)O10(OH)2
monoklin
C2/m

 
 
 
Trilithionite
KLi1.5Al1.5[F2|AlSi3O10]
monoklin
C2/m

 
 
 
Yangzhumingite
KMg2.5Si4O10F2
monoklin
C2/m

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Actuality: 21. May 2022 - 03:38:13

Other languages

Dutch

Celadoniet

Spanish

Celadonita

English

Celadonite

French

Celadonite

German

Seladonit

Russian

Селадонит

Simplified Chinese

绿鳞石

Alternative Name

Baldoge

Baldogée

German

Celadonit

German

Celedonit

Spanish

Celedonita

Celedonite

Spanish

Seladonita

English

Seladonite

Verona Earth

Italian

Veronita

English

Veronite

CNMNC symbol

Symbol

Cel

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German pages

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English pages

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