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Sauconite

Pictures (2 Images total)

Sauconit
Views (File:
1400921839
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Sauconit
Große Halde in Kamariza, Laurion (Lavrion), Attika, Griechenland. Bildbreite 5 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)
Mineral: Sauconite
Image: 1400921839
License: Usage for Mineralienatlas project only
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: Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Sauconit
Views (File:
1494758503
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Sauconit
von der Kamioka Mine, Takayama, Honshu, Japan; derbe braune Einschlüsse mit strahliger Struktur, BB = 3,0 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A001381, Donator: Klaus Fleck
Location: Japan/Honshū (Honschu), Insel/Chūbu (Chubu), Region/Gifu, Präfektur/Hida/Kamioka Mine
Mineral: Sauconite
Image: 1494758503
License: Usage for Mineralienatlas project only
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 / Chūbu (Chubu), Region / Honshū (Honschu), Insel / Japan

You find additional specimen at the Geolitho Museum

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

Volume (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

(Co-)Type locality

(Co-)Type locality

USA/Pennsylvania/Lehigh Co./Saucon Valley/Ueberroth Mine

USA/Pennsylvania/Lehigh Co./Saucon Valley/Friedensville/Friedensville Mine

Preface

Author (Name, Year)

Roepper, 1875

References

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

Other languages

German

Sauconit

Spanish

Sauconita

English

Sauconite

French

Sauconite

Russian

Сауконит

Simplified Chinese

锌蒙脱石

CNMNC symbol

Symbol

Sau

Locations with GPS information

IDs

GUSID (Global unique identifier short form) xJedSFoBQ0WOXisXK_Z41w
GUID (Global unique identifier) 489D97C4-015A-4543-8E5E-2B172BF678D7
Database ID 3401