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Sauconite (Sauconit)

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
): 581
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/Honshu/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 / Chubu, Region / Honshu / Japan

You find additional Sauconit 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

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

(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