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Voudourisite

Collectors Summary

Color farblos, weiß
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) ~3
Cleavages keine beobachtet
Fracture muschelig
Crystal System monoklin, P21/c

Chemism

Chemical formula

CdSO4·H2O

Additional chem. information

Kieserit-Gruppe

Chemical composition

Cadmium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 226.490344 u; Number of atoms in the formula: 9

Info

Empirical formula:

CdSO4·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.89

2

22.22

1.0079470

2.0158940

Oxygen

O

35.32

5

55.56

15.9994300

79.9971500

Sulfur

S

14.16

1

11.11

32.0655000

32.0655000

Cadmium

Cd

49.63

1

11.11

112.4118000

112.4118000

Classification by Hölzel

7.CA.170

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
A: Sulfates, C medium

IMA status

anerkannt August 2012 - CNMNC Newsletter No. 14, October 2012, page 1282; Mineralogical Magazine, 76, 1281-1288

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

Lustre

Glasglanz

max. Birefringence

0.060

Birefringence chart\! Voudourisite title=Birefringence chart Voudourisite

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

α = 1.580(2)

RI value β

β = 1.624(2)

RI value γ / ε

γ = 1.640(2)

2V angle

Biaxial (-) 70(5)° (gemessen) 61° (berechnet)

Optical Data Luminescence

Luminescence

keine Fluoreszenz beobachtet

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

7.633(2)

Cell parameters b (Å)

7.458(2)

Cell parameters c (Å)

8.151(2)

Cell parameters a/b or c/a

1.023

Cell parameters c/b

1.093

Cell parameters α

90°

Cell parameters β

122.35(1)°

Cell parameters γ

90°

Z

4

Volumne (ų)

391.994

Kristall structure

Struktur bestimmt

X-Ray Powder Diffraction

4.881(65), 3.729(26), 3.574(100), 3.279(14), 3.226(44), 2.531(32), 2.319(16)

XRD chart Voudourisite

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

Physical Properties

Hardness (Mohs)

~3

Density (g/cm³)

3.838 (berechnet)

3.838 ( ρ calc. Mineralienatlas )

Cleavages

keine beobachtet

Fracture

muschelig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Griechenland/Attika (Attikí, Attica)/Lavrion (Laurion), Bergbaudistrikt/Km 3, Revier/Esperanza Mine

Type material

Sammlung des Institutes der Mineralogie und Kristallographie, University von Wien, Wien, Österreich

Collection number of type material

HS13.077

Paragenesis of type material

Niedermayrit, Katerinopoulosit, Sphalerit, Galenit, Edwardsit, Chalcanthit, Gips] und Greenockit

Preface

Name from

Author (Name, Year)

Branko Rieck und Gerald Giester (2012)

References

CNMNC Newsletter No. 14, October 2012, page 1282; Mineralogical Magazine, 76, 1281-1288

Chatphorn Theppitak and Kittipong Chainok - Crystal structure of CdSO4(H2O): a redetermination. Acta Crystallographica E71 (2015), i8 - i9.

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

Kieserite

MgSO4·H2O

monoklin : 2/m : C2/c

7.CA.100

Poitevinite

Cu(SO4)·H2O

triklin : 1 : P1

7.CA.110

Gunningite

(Zn,Mn)SO4·H2O

monoklin : 2/m : C2/c

7.CA.120

Szomolnokite

Fe2+SO4·H2O

monoklin : 2/m : C2/c

7.CA.130

Dwornikite

(Ni,Fe2+)SO4·H2O

monoklin : 2/m : C2/c

7.CA.140

Szmikite

MnSO4·H2O

monoklin : 2/m : C2/c

7.CA.150

Cobaltkieserite

Co[SO4]·H2O

monoklin : 2/m : C2/c

7.CA.160

Voudourisite

CdSO4·H2O

monoklin : 2/m : P21/c

7.CA.170

Lazaridisite

3CdSO4·8H2O

monoklin : 2/m : C2/c

7.CA.175

Other languages

German

Voudourisit

English

Voudourisite

IMA Number

IMA 2012-042

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

German pages

DeWikiPedia - search for: Voudourisit
Google-Bilder-Suche - search for: Voudourisit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Voudourisit

English pages

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American-Mineralogist-Crystal-Structure-Database - search for: Voudourisite
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Mineral Dealer

German pages

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Locations with GPS information




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