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Švenekite

Pictures (4 Images total)

Svenekit
Views (File:
1399673844
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Svenekit
Svenekit xx auf Matrix; Grube Svornost (Einigkeit), Jàchymov, Tschechien; Stufe: 2,2 x 1,2 cm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Tschechien/Karlsbad (Karlovarský kraj)/Karlsbad (Okres Karlovy Vary)/St. Joachimsthal (Jáchymov)/Einigkeit (Svornost)
Mineral: Švenekite
Image: 1399673844
License: Usage for Mineralienatlas project only
Svenekit

Svenekit xx auf Matrix; Grube Svornost (Einigkeit), Jàchymov, Tschechien; Stufe: 2,2 x 1,2 cm
Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2014-05-09
Locality: Einigkeit (Svornost) / St. Joachimsthal (Jáchymov) / Karlsbad (Okres Karlovy Vary) / Karlsbad (Karlovarský kraj) / Tschechien
Svenekit
Views (File:
1399674419
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Svenekit
Svenekit xx; Grube Svornost (Einigkeit), Jàchymov, Tschechien; Bildbreite: 9 mm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Tschechien/Karlsbad (Karlovarský kraj)/Karlsbad (Okres Karlovy Vary)/St. Joachimsthal (Jáchymov)/Einigkeit (Svornost)
Mineral: Švenekite
Image: 1399674419
License: Usage for Mineralienatlas project only
Svenekit

Svenekit xx; Grube Svornost (Einigkeit), Jàchymov, Tschechien; Bildbreite: 9 mm
Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2014-05-09
Locality: Einigkeit (Svornost) / St. Joachimsthal (Jáchymov) / Karlsbad (Okres Karlovy Vary) / Karlsbad (Karlovarský kraj) / Tschechien
Švenekit
Views (File:
1444405802
): 456
Švenekit
Bildbreite: 3 mm, Fundort: Einigkeit (Svornost), St. Joachimsthal (Jáchymov), Region Karlsbad (Karlovarsky kraj), Tschechien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Tschechien/Karlsbad (Karlovarský kraj)/Karlsbad (Okres Karlovy Vary)/St. Joachimsthal (Jáchymov)/Einigkeit (Svornost)
Mineral: Švenekite
Image: 1444405802
License: Usage for Mineralienatlas project only
Švenekit

Bildbreite: 3 mm, Fundort: Einigkeit (Svornost), St. Joachimsthal (Jáchymov), Region Karlsbad (Karlovarsky kraj), Tschechien
Copyright: Luigi Chiappino
Contribution: thdun5 2015-10-09
Locality: Einigkeit (Svornost) / St. Joachimsthal (Jáchymov) / Karlsbad (Okres Karlovy Vary) / Karlsbad (Karlovarský kraj) / Tschechien
Svenekit
Views (File:
1399674511
): 839
Svenekit
Svenekit xx; Grube Svornost (Einigkeit), Jàchymov, Tschechien; Bildbreite: 2 mm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Tschechien/Karlsbad (Karlovarský kraj)/Karlsbad (Okres Karlovy Vary)/St. Joachimsthal (Jáchymov)/Einigkeit (Svornost)
Mineral: Švenekite
Image: 1399674511
Rating: 3 (votes: 1)
License: Usage for Mineralienatlas project only
Svenekit

Svenekit xx; Grube Svornost (Einigkeit), Jàchymov, Tschechien; Bildbreite: 2 mm
Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2014-05-09
Locality: Einigkeit (Svornost) / St. Joachimsthal (Jáchymov) / Karlsbad (Okres Karlovy Vary) / Karlsbad (Karlovarský kraj) / Tschechien

Collectors Summary

Color farblos, weiß
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 2
Crystal System triklin, P1
Morphology feinkristalline Krusten, traubige rosettenförmige Kristallgruppen bis 3mm

Chemism

Chemical formula

Ca(AsO2(OH)2)2

Chemical composition

Arsen, Calcium, Sauerstoff, Wasserstoff

Unit weight: 321.948832 u; Number of atoms in the formula: 15

Info

Empirical formula:

Ca(AsO2(OH)2)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.25

4

26.67

1.0079470

4.0317880
Oxygen

O

39.76

8

53.33

15.9994300

127.9954400
Calcium

Ca

12.45

1

6.67

40.0784000

40.0784000
Arsenic

As

46.54

2

13.33

74.9216020

149.8432040

Analysis wt%

CaO : 17.42, As2O5 : 71.39, H2O : 11.19 (Ref: berechnet)

Strunz 9th edition incl. updates

8.AD.10

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
D: Mit ausschließlich großen [Kationen]
10:Monetit-Gruppe

Lapis Classification

VII/A.12-025

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen
12: Sehr große Kationen: Ca-Na-K, SE, Bi u.a.

Classification by Hölzel

8.AD.550

8: PHOSPHATES ARSENATES VANADATES
A: Phosphates (-anions -water)
D: Phosphates, C large

Dana 8th edition

37.01.07.01

37: Phosphate Minerals
01: Anhydrous Acid Phosphates, etc with miscellaneous formulae

IMA status

anerkannt 1999

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphaneity (Transparency)

transparent, durchscheinend

Lustre

Glasglanz

max. Birefringence

0.056
Birefringence chart\! Švenekite title=Birefringence chart Švenekite

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

1.602

RI value γ / ε

1.658

2V angle

Biaxial

Optical Data Luminescence

Luminescence

keine Fluoreszenz

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

8.549

Cell parameters b (Å)

7.697

Cell parameters c (Å)

5.720

Cell parameters a/b or c/a

1.111

Cell parameters c/b

0.743

Cell parameters α

92.58

Cell parameters β

109.87

Cell parameters γ

109.92

Z

2

Volume (ų)

327.248

X-Ray Powder Diffraction

3.974(70),
3.700(60),
3.558(100),
3.262(80),
3.101(80),
3.041(60),
2.666(50),
2.173(50)
XRD chart Švenekite

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

Morphology

feinkristalline Krusten, traubige rosettenförmige Kristallgruppen bis 3mm

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

Density (g/cm³)

3.265 (berechnet)

3.267 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Tschechien/Karlsbad (Karlovarský kraj)/Karlsbad (Okres Karlovy Vary)/St. Joachimsthal (Jáchymov)/Einigkeit (Svornost)

Preface

Name from

Jaroslav Svenek (1927 - 1994), Spezialist für Uranmineralien, Kustos am Nationalmuseum in Prag

Author (Name, Year)

Ondrus & Veselovský & Skála & Cisarova & Hlousek & Frýda & Vavrin & Ce

References

Journal of the Czech Geological Society, 42 (1997), 77.

Journal of the Czech Geological Society, Prague (2003), 48 (3-4), 151.

Ondruš P, Skála R, Plášil J, Sejkora J, Veselovský F, Čejka J, Kallistová A, Hloušek J, Fejfarová K, Škoda R, Dušek M, Gabašová A, Machovic V, Lapcák L (2013) Švenekite, Ca[AsO2(OH)2]2. a new mineral from Jáchymov, Czech Republic. Mineralogical Magazine 77, 2711-2724

Neue Mineralien - Lapis Jg. 39, Nr.4 April 2014. S. 40

Mineral Magazine 77, S,2711-2724

Other languages

German

Švenekit

English

Švenekite

CNMNC (IMA)-Number

IMA 1999-007

CNMNC symbol

Symbol

Švn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) IGl01BnkT0SoHgVNr4k6WA
GUID (Global unique identifier) D4746920-E419-444F-A81E-054DAF893A58
Database ID 4877