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Tosudite (Aluschtit)

Pictures (3 Images total)

Tosudit (Bruchfläche quer zur Faser)
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Tosudit (Bruchfläche quer zur Faser)

Hokuno Mine, Takasu-mura, Gujou-gun, Gifu, Chubu, Honshu, Japan. Bildbreite 1 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-11-09
Tosudit (schwarz)
Views (Image: 1415523508): 381
Tosudit (schwarz)

Hokuno Mine, Takasu-mura, Gujou-gun, Gifu, Chubu, Honshu, Japan. Bildbreite 1,3 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-11-09
Tosudit (schwarz)
Views (Image: 1415523564): 330
Tosudit (schwarz)

Hokuno Mine, Takasu-mura, Gujou-gun, Gifu, Chubu, Honshu, Japan. Bildbreite 1 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-11-09

Collectors Summary

Color azurblau
Streak color bläulichweiß
Hardness (Mohs) 1.00 - 2.00
Crystal System orthorhombisch,

Chemism

Chemical formula

Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5H2O

Chemical composition

Aluminium, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 974.0005374 u; Number of atoms in the formula: 71.5

Info

Empirical formula:

Na0.5(Al0.75Mg0.25)6(Si0.75Al0.25)8O18(OH)12·5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.28

22

30.77

1.0079470

22.1748340

Oxygen

O

57.49

35

48.95

15.9994300

559.9800500

Sodium

Na

1.18

0.5

0.70

22.9897702

11.4948851

Magnesium

Mg

3.74

1.5

2.10

24.3050600

36.4575900

Aluminium

Al

18.01

6.5

9.09

26.9815382

175.3799983

Silicon

Si

17.30

6

8.39

28.0855300

168.5131800

Analysis wt%

SiO2 : 39.94, TiO2 : 0.74, Al2O3 : 33.17, Fe2O3 : 1.34, MgO : 6.44, CaO : 1.30, Na2O : 0.52, S : 0.69, H2O : 16.03 (Ref: Zeitschrift ür Kristallographie 57)

Strunz 9th edition incl. updates

9.EC.60

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

Lapis Classification

VIII/H.18-050

VIII: SILIKATE
H: Schichtsilikate
18: Tonminerale, regulär geschichtet; Montmorillonit-Gruppe

Classification by Hölzel

9.EH.180

9: SILICATES
E: Phyllosilicates
H: Interstratificated Micas
1: Monoclinic Rectorite-Group

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

azurblau

Streak color

bläulichweiß

max. Birefringence

0.013

Birefringence chart\! Tosudite title=Birefringence chart Tosudite

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

1.545

RI value β

1.557

RI value γ / ε

1.558

Ri mean

1.553

2V angle

Biaxial (-) sm

Crystallography

Crystal System

orthorhombisch

Cell parameters a (Å)

5.20*

Cell parameters b (Å)

9.05

Cell parameters c (Å)

29.80*

Cell parameters a/b or c/a

0.575

Cell parameters c/b

3.293

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

1402.388

X-Ray Powder Diffraction

4.45(100),
4.28(40),
4.09(30),
3.52(40),
2.560(70),
2.505(40),
2.374(30),
1.496(50)

XRD chart Tosudite

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

Physical Properties

Hardness (Mohs)

1.00 - 2.00

VHN (Hardness Vickers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.42 (gemessen)

2.306 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Frank-Kamenetskiy & Logvinenko & Drits, 1963

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 814

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

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

9.EC.60

Brinrobertsite

(Na,K,Ca)0.3(Al,Fe,Mg)4(Si,Al)8O20(OH)4·3.5H2O

9.EC.60

Corrensite

(Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O

9.EC.60

Dozyite

Mg7(Al,Fe3+,Cr)2[(OH)12|Al2Si4O15]

monoklin : m : Cm

9.EC.60

Hydrobiotite

K(Mg,Fe2+)6(Si,Al)8O20(OH)4·nH2O

monoklin : 2/m : C2/m

9.EC.60

'Karpinskite'

(Mg,Ni)2Si2O5(OH)2

9.EC.60

Kulkeite

Na0.35Mg8Al(AlSi7)O20(OH)10

9.EC.60

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

9.EC.60

Rectorite

(Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O

9.EC.60

Saliotite

Na0.5Li0.5Al3[(OH)5|AlSi3O10]

monoklin : 2/m : C2/m

9.EC.60

Tosudite

Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5H2O

9.EC.60

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

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

VIII/H.18-005

Saliotite

Na0.5Li0.5Al3[(OH)5|AlSi3O10]

monoklin : 2/m : C2/m

VIII/H.18-007

Kulkeite

Na0.35Mg8Al(AlSi7)O20(OH)10

VIII/H.18-010

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

VIII/H.18-020

Rectorite

(Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O

VIII/H.18-030

'Tarasovite'

(Na,K,H3O,Ca)2Al4[(OH)2|(Si,Al)4O10]2·H2O

VIII/H.18-040

Tosudite

Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5H2O

VIII/H.18-050

Corrensite

(Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O

VIII/H.18-060

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

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

9.EH.100

Dozyite

Mg7(Al,Fe3+,Cr)2[(OH)12|Al2Si4O15]

monoklin : m : Cm

9.EH.110

Kulkeite

Na0.35Mg8Al(AlSi7)O20(OH)10

9.EH.130

Rectorite

(Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O

9.EH.140

Saliotite

Na0.5Li0.5Al3[(OH)5|AlSi3O10]

monoklin : 2/m : C2/m

9.EH.150

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

9.EH.170

Tosudite

Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5H2O

9.EH.180

Varieties

Lithium Tosudite

Tosudit mit 1:1 schichtweise eingelagertem Cookeit und Smektit, u.U. auch anderen Tonmineralien

Other languages

German

Tosudit

Spanish

Tosudita

French

Tosudite

English

Tosudite

Russian

Тосудит

Japanisch

俊男石

Alternative Name

German

Alouchtit

Spanish

Alouchtita

Alouchtite

German

Aluschtit

Alushit

Alushite

German

Alushtit

Spanish

Alushtita

English

Alushtite

German

Alusit

Spanish

Alusita

Alusite

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

German pages

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