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Kinoshitalite

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Kinoshitalith
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Kinoshitalith

Bildbreite: 2 mm, Fundort: Långban, Filipstad, Värmland, Schweden

Copyright: Luigi Chiappino
Contribution: thdun5 2013-02-11
Locality: Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte / Långban, Distrikt / Filipstad, Gemeinde / Värmland, Provinz / Schweden

Collectors Summary

Color gelblichbraun, farblos
Lustre Glasglanz
Hardness (Mohs) 2.5 - 3
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

(Ba,K)(Mg,Mn,Al)3Si2Al2O10(OH)2

Chem­ical com­po­si­tion

Aluminium, Barium, Magnesium, Mangan, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 518.20135727 u; Number of atoms in the formula: 22

Info

Empirical formula:

(Ba0.75K0.25)(Mg0.6Mn0.3Al0.1)3Si2Al2O10(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.39

2

9.09

1.0079470

2.0158940

Oxygen

O

37.05

12

54.55

15.9994300

191.9931600

Magnesium

Mg

8.44

1.8

8.18

24.3050600

43.7491080

Aluminium

Al

11.98

2.3

10.45

26.9815382

62.0575379

Silicon

Si

10.84

2

9.09

28.0855300

56.1710600

Potassium

K

1.89

0.25

1.14

39.0983100

9.7745775

Manganese

Mn

9.54

0.9

4.09

54.9380499

49.4442449

Barium

Ba

19.88

0.75

3.41

137.3277000

102.9957750

Strunz 9th edi­tion incl. updates

9.EC.35

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

Lapis Clas­sifica­tion

VIII/H.12-030

VIII: SILIKATE
H: Schichtsilikate
12: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Glimmer-Gruppe; Sprödglimmer (Margarit-Reihe)

Clas­sifica­tion by Hölzel

9.EE.140

9: SILICATES
E: Phyllosilicates
E: ~[(OH)2|Al2Si2O10] Margarite-Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Mica group  ⇒ Brittle micas

Optical Properties

Color

gelblichbraun, farblos

Diaphane­ity (Trans­parency)

semitransparent

Lus­tre

Glasglanz

max. Birefrin­gence

0.015

Birefringence chart\! Kinoshitalite title=Birefringence chart Kinoshitalite

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

1.615

RI value β

1.628

RI value γ / ε

1.630

Ri mean

1,627

2V angle

Biaxial (-) 23° - 25° (gemessen) 42.8° (berechnet)

Pleochro­ism

hellgelb zu braungelb

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

5.327

Cell param­e­ters b (Å)

9.233

Cell param­e­ters c (Å)

10.165

Cell param­e­ters a/b or c/a

0.577

Cell param­e­ters c/b

1.101

Cell param­e­ters α

90°

Cell param­e­ters β

100.09°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

492.225

X-Ray Pow­der Diffrac­tion

4.20(30),
3.39(30),
3.144(30),
2.914(30),
2.625(100),
2.171(20),
1.994(30),
1.670(20)

XRD chart Kinoshitalite

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)

2.5 - 3

VHN (Hard­ness Vick­ers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.3 (gemessen) 3.33 (berechnet)

3.496 ( ρ calc. Mineralienatlas )

Preface

Name from

Kameki Kinoshita (1896-1974), der sich vorwiegend der Erforschung der Erzlagerstätten in Japan widmete.

Author (Name, Year)

Yoshii & Maeda & Kato & Watanabe & Yui & Kato & Nagashima, 1973

References

Chigaku Kenkyu (in Japanese) 24 (1973), 181

IMA group assignments

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

Bityite

CaLiAl2(AlBeSi2)O10(OH)2

monoklin : 2/m : C2/c

9.EC.35

Anandite

(Ba,K)(Fe2+,Mg)3(Si,Al,Fe)4O10(S,OH)2

monoklin : 2/m : C2/c

9.EC.35

Clintonite

Ca(Mg,Al)3(Al3Si)O10(OH)2

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

9.EC.35

Fluorokinoshitalite

BaMg3Al2Si2O10F2

monoklin : 2/m : C2/m

9.EC.35

Kinoshitalite

(Ba,K)(Mg,Mn,Al)3Si2Al2O10(OH)2

monoklin : 2/m : C2/m

9.EC.35

Oxykinoshitalite

(Ba,K)(Mg,Fe2+,Ti4+)3(Si,Al)4O10O2

monoklin : 2/m : C2/m

9.EC.35

Ferrokinoshitalite

Ba(Fe2+,Mg)3[(OH,F)2|Al2Si2O10]

monoklin : 2/m : C2/m

9.EC.35

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

Anandite

(Ba,K)(Fe2+,Mg)3(Si,Al,Fe)4O10(S,OH)2

monoklin : 2/m : C2/c

VIII/H.12-010

Bityite

CaLiAl2(AlBeSi2)O10(OH)2

monoklin : 2/m : C2/c

VIII/H.12-020

Oxykinoshitalite

(Ba,K)(Mg,Fe2+,Ti4+)3(Si,Al)4O10O2

monoklin : 2/m : C2/m

VIII/H.12-025

Fluorokinoshitalite

BaMg3Al2Si2O10F2

monoklin : 2/m : C2/m

VIII/H.12-028

Kinoshitalite

(Ba,K)(Mg,Mn,Al)3Si2Al2O10(OH)2

monoklin : 2/m : C2/m

VIII/H.12-030

Ferrokinoshitalite

Ba(Fe2+,Mg)3[(OH,F)2|Al2Si2O10]

monoklin : 2/m : C2/m

VIII/H.12-035

Margarite

CaAl2(Al2Si2)O10(OH)2

monoklin : m : Cc

VIII/H.12-040

Chernykhite

BaV2(Si2Al2)O10(OH)2

monoklin : 2/m : C2/c

VIII/H.12-050

Hanjiangite

Ba2Ca(V3+Al)(AlSi3O10)(OH)2F(CO3)2

monoklin : m : Cc

VIII/H.12-055

Clintonite

Ca(Mg,Al)3(Al3Si)O10(OH)2

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

VIII/H.12-060

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

Siderophyllite

KFe22+Al(Al2Si2)O10(F,OH)2

monoklin : 2 : C2/m

9.EE.100

Preiswerkite

NaMg2Al3Si2O10(OH)2

monoklin : 2/m : C2/m

9.EE.120

Kinoshitalite

(Ba,K)(Mg,Mn,Al)3Si2Al2O10(OH)2

monoklin : 2/m : C2/m

9.EE.140

Fluorokinoshitalite

BaMg3Al2Si2O10F2

monoklin : 2/m : C2/m

9.EE.143

Ferrokinoshitalite

Ba(Fe2+,Mg)3[(OH,F)2|Al2Si2O10]

monoklin : 2/m : C2/m

9.EE.150

Oxykinoshitalite

(Ba,K)(Mg,Fe2+,Ti4+)3(Si,Al)4O10O2

monoklin : 2/m : C2/m

9.EE.160

Other languages

Spanish

Kinoshitalita

French

Kinoshitalite

English

Kinoshitalite

German

Kinoshitalith

Russian

Киноситалит

Traditional Chinese

鋇鎂脆雲母

Simplified Chinese

钡镁脆云母

Alternative Name

Kinoshitalit

Japanese

木下雲母

Simplified Chinese

羟硅钡镁石

Traditional Chinese

羥矽鋇鎂石

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

German pages

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English pages

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