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Kinoshitalite

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Kinoshitalith
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1360540027
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Kinoshitalith
Bildbreite: 2 mm, Fundort: Långban, Filipstad, Värmland, Schweden
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Långban, Distrikt/Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte
Mineral: Kinoshitalite
Image: 1360540027
License: Usage for Mineralienatlas project only
Kinoshitalith

Bildbreite: 2 mm, Fundort: Långban, Filipstad, Värmland, Schweden
Copyright: Luigi Chiappino
Contribution: thdun5 2013-02-10
Locality: Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte / Långban, Distrikt / Filipstad, Gemeinde / Värmland, Provinz / Schweden

You find additional specimen at the Geolitho Museum

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

Volume (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 )

(Co-)Type locality

(Co-)Type locality

Japan/Honshū (Honschu), Insel/Tōhoku (Tohoku), Region/Iwate, Präfektur/Noda-Tamagawa Mine/Misago Erzkörper

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

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

CNMNC symbol

Symbol

Kns

Locations with GPS information

IDs

GUSID (Global unique identifier short form) o-5HfW-Ct0GPGGkYdH3eAA
GUID (Global unique identifier) 7D47EEA3-826F-41B7-8F18-6918747DDE00
Database ID 1954