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Pictures (33 Images total)

Views (Image: 1295211334): 4326

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

Hannes Osterhammer

Contribution: Münchener Micromounter 2011-01-16

Locality: Waitakere Stream / Waitakera / Auckland, Region / North Island / Neuseeland

Views (Image: 1293190653): 3470

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

Hannes Osterhammer

Contribution: Münchener Micromounter 2010-12-24

Locality: Todd's Quarry / Dargaville / Kaipara-Distrikt / Northland, Region / North Island / Neuseeland

Views (Image: 1514110918): 1397

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

Contribution: Klaus Schäfer 2017-12-24

Locality: Edelsteindorado / Auf Hassel / Freisen / St. Wendel, Landkreis / Saarland / Deutschland

Views (Image: 1530539464): 1093

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

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

Views (Image: 1358603184): 2760

Seladonit oo Quarz xx

Molignonjoch Dialer Bohlen Seiseralm Grödnertal Südtirol Italien. BB=24mm.

Collection:

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

Views (Image: 1231281289): 4616

Heulandit, grün durch Celadonit-Inklusen

Fundort: Jalgaon, Maharashtra, Indien; Größe: 45x42x43 mm

Fabre Minerals

Contribution: slugslayer 2009-01-06

Locality: Jalgaon, Distrikt / Maharashtra / Indien

More images

Collectors Summary

Color

dunkel bläulichgrün

Streak color

blass grün

Hardness (Mohs)

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(Mg_0.75Fe_0.25)(Fe_0.75Al_0.25)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

Search for minerals with similar chemistry

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

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 (Å³)	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)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

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Crystal Structure 3D

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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

Deutschland /Sachsen /Zwickau, Landkreis /Zwickau /Planitz

Preface

Author (Name, Year)

Glocker, 1847

References

Canadian Mineralogist 36 (1998), 905

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	KMn_0.5²⁺Fe_1.5²⁺Mg_0.5[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(LiAl_1.5☐_0.5)(Al_0.5Si_3.5)O₁₀F₂ monoklin : C2/c	9.EC.15
Cossaite	(Mg_0.5,◻)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] monoklin	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] monoklin	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] monoklin	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	KMn_0.5²⁺Fe_1.5²⁺Mg_0.5[F₂\|Si₄O₁₀] monoklin : 2/m : C2/m	9.ED.360

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

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

German pages	DeWikiPedia - search for: Seladonit Google-Bilder-Suche - search for: Seladonit Mineralogisch-Petrographisches-Institut Hamburg - search for: Seladonit
English pages	Mindat - search for: Celadonite Webmineral - search for:Celadonite Handbook-of-Mineralogy - search for: Celadonite RRUFF - Raman, XRD and other mineral data - search for: Celadonite RRUFF - References and PDF downloads - search for: Celadonite American-Mineralogist-Crystal-Structure-Database - search for: Celadonite Athena - search for: Celadonite
Russian pages	Webmineral.ru - search for: Селадонит

Mineral Dealer

German pages

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

Locations with GPS information