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Sauconite (Sauconit)

Pictures (2 Images total)

Sauconit
Views (Image: 1400921839): 953
Sauconit

Große Halde in Kamariza, Laurion (Lavrion), Attika, Griechenland. Bildbreite 5 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-05-24
Locality: Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
Sauconit
Views (Image: 1494758503): 408
Sauconit (SNr: A001381)

von der Kamioka Mine, Takayama, Honshu, Japan; derbe braune Einschlüsse mit strahliger Struktur, BB = 3,0 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2017-05-14
Locality: Kamioka Mine / Hida / Gifu, Präfektur / Chubu, Region / Honshu / Japan

Collectors Summary

Color bläulichweiß, rötlichbraun
Streak color weiß
Hardness (Mohs) 1.5
Solubility +++ Säuren
Crystal System monoklin,

Chemism

Chem­ical formula

Na0.3Zn3(Si,Al)4O10(OH)2·4H2O

Chem­ical com­po­si­tion

Aluminium, Natrium, Silicium, Zink, Sauerstoff, Wasserstoff

Unit weight: 580.43360926 u; Number of atoms in the formula: 33.3

Info

Empirical formula:

Na0.3Zn3(Si0.75Al0.25)4O10(OH)2·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.74

10

30.03

1.0079470

10.0794700

Oxygen

O

44.10

16

48.05

15.9994300

255.9908800

Sodium

Na

1.19

0.3

0.90

22.9897702

6.8969311

Aluminium

Al

4.65

1

3.00

26.9815382

26.9815382

Silicon

Si

14.52

3

9.01

28.0855300

84.2565900

Zinc

Zn

33.81

3

9.01

65.4094000

196.2282000

Anal­y­sis wt%

SiO2 : 33.40, Al2O3 : 7.45, Fe2O3 : 1.73, MgO : 0.78, ZnO : 36.73, CaO : 1.92, H2O : 16.92 (Ref: American Mineralogist 51)

Strunz 9th edi­tion incl. updates

9.EC.45

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

Lapis Clas­sifica­tion

VIII/H.20-050

VIII: SILIKATE
H: Schichtsilikate
20: Tonminerale, regulär geschichtet; Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Montmorillonit-Gruppe

Clas­sifica­tion by Hölzel

9.EI.500

9: SILICATES
E: Phyllosilicates
I: Montmorillonite-Saponite-Group

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959)

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

bläulichweiß, rötlichbraun

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend

max. Birefrin­gence

0.048

Birefringence chart\! Sauconite title=Birefringence chart Sauconite

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

1.514

RI value β

1.559

RI value γ / ε

1.562

Ri mean

1.545

2V angle

Biaxial (-) 11°~

Crystallography

Crystal Sys­tem

monoklin

Cell param­e­ters a (Å)

5.34

Cell param­e­ters b (Å)

9.32

Cell param­e­ters c (Å)

15.8

Cell param­e­ters a/b or c/a

0.573

Cell param­e­ters c/b

1.695

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

786.347

X-Ray Pow­der Diffrac­tion

15.4(100),
7.90(50),
5.48(50),
4.55(50),
3.16(30),
2.67(50),
2.590(30),
1.554(80)

XRD chart Sauconite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1.5

VHN (Hard­ness Vick­ers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.45

2.451 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Roepper, 1875

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 711

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

'Kerolite'

(Mg,Ni)3Si4O10(OH)2·H2O

9.EC.45

'Spadaite'

MgSiO2(OH)2·H2O

9.EC.45

Sauconite

Na0.3Zn3(Si,Al)4O10(OH)2·4H2O

9.EC.45

'Stevensite'

(Ca|2)0.3Mg3Si4O10(OH)2

9.EC.45

Zincsilite

Zn3Si4O10(OH)2·4H2O

9.EC.45

Ferrosaponite

Ca0.3(Fe2+,Mg,Fe3+)3[(OH)2|(Si,Al)Si3O10]·4H2O

9.EC.45

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

'Hectorite'

Na0.3(Mg,Li)3Si4O10(F,OH)2

VIII/H.20-010

Saponite

(Ca,Na)0.3(Mg,Fe2+)3(Si,Al)4O10(OH)2·4H2O

VIII/H.20-020

Ferrosaponite

Ca0.3(Fe2+,Mg,Fe3+)3[(OH)2|(Si,Al)Si3O10]·4H2O

VIII/H.20-027

'Spadaite'

MgSiO2(OH)2·H2O

VIII/H.20-030

'Stevensite'

(Ca|2)0.3Mg3Si4O10(OH)2

VIII/H.20-040

Sauconite

Na0.3Zn3(Si,Al)4O10(OH)2·4H2O

VIII/H.20-050

Zincsilite

Zn3Si4O10(OH)2·4H2O

VIII/H.20-060

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

Sauconite

Na0.3Zn3(Si,Al)4O10(OH)2·4H2O

9.EI.500

Zincsilite

Zn3Si4O10(OH)2·4H2O

9.EI.510

Vermiculite

Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O

monoklin : 2/m, 2/m : C2/c, C2/m

9.EI.540

Other languages

German

Sauconit

Spanish

Sauconita

English

Sauconite

French

Sauconite

Russian

Сауконит

Simplified Chinese

锌蒙脱石

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

German pages

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English pages

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Russian pages

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