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Braunerite (Braunerit)

Collectors Summary

Color gelb
Lustre Glasglanz
Crystal System monoklin, P21/c

Chemism

Chemical formula

K2Ca(UO2)(CO3)3·6H2O

Chemical composition

Calcium, Kalium, Kohlenstoff, Sauerstoff, Uran, Wasserstoff

Unit weight: 676.421947 u; Number of atoms in the formula: 36

Info

Empirical formula:

K2Ca(UO2)(CO3)3·6H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.79

12

33.33

1.0079470

12.0953640

Carbon

C

5.33

3

8.33

12.0107800

36.0323400

Oxygen

O

40.21

17

47.22

15.9994300

271.9903100

Potassium

K

11.56

2

5.56

39.0983100

78.1966200

Calcium

Ca

5.93

1

2.78

40.0784000

40.0784000

Uranium

U

35.19

1

2.78

238.0289130

238.0289130

IMA status

anerkannt - CNMNC Newsletter No. 31, June 2016, page 692; Mineralogical Magazine, 80, 691–697.

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelb

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

17.6725(12)

Cell parameters b (Å)

11.6065(5)

Cell parameters c (Å)

29.673(3)

Cell parameters a/b or c/a

1.523

Cell parameters c/b

2.557

Cell parameters α

90°

Cell parameters β

101.780(8)°

Cell parameters γ

90°

Volumne (ų)

5958.216

X-Ray Powder Diffraction

14.64(100), 7.29(65), 7.04(20), 6.25(15), 5.71(28), 4.991(18), 4.860(18), 4.118(50)

XRD chart Braunerite

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

(Co-)Type locality

(Co-)Type locality

Tschechien/Karlsbad, Region (Karlovarsky kraj)/Karlsbad (Karlovy Vary), Bezirk/St. Joachimsthal (Jáchymov)/Einigkeit (Svornost)

Type material

Department of Mineralogy und Petrology, National Museum, Cirkusová 1740, Prague 9, Czech Republic, Katalognummer P1P 14/2015, und the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, Katalognummer 65631

Preface

Author (Name, Year)

Jakub Plášil, Kurt Mereiter, Anthony R. Kampf, Jan Hloušek, Radek Škoda, Jiří Čejka, Ivan Němec und Jana Ederová (2016)

References

Plášil, J., Mereiter, K., Kampf, A.R., Hloušek, J., Škoda, R., Čejka, J., Němec, I. und Ederová, J. (2016) Braunerite, IMA 2015-123. CNMNC Newsletter No. 31, June 2016, page 692; Mineralogical Magazine, 80, 691–697

Other languages

German

Braunerit

English

Braunerite

Russian

Браунерит

IMA Number

IMA 2015-123

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

German pages

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

English pages

Mindat - search for: Braunerite
Webmineral - search for:Braunerite
Handbook-of-Mineralogy - search for: Braunerite
RRUFF - Raman, XRD and other mineral data - search for: Braunerite
RRUFF - References and PDF downloads - search for: Braunerite
American-Mineralogist-Crystal-Structure-Database - search for: Braunerite
Athena - search for: Braunerite

Russian pages

Webmineral.ru - search for: Браунерит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Braunerit
Crystal-Treasure.com - search for: Braunerit
Bosse - search for: Braunerit

Locations with GPS information




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