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Braitschite-(Ce) (Braitschit-(Ce))

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Braitschit-(Ce)
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Braitschit-(Ce)

Größe: 35x27 mm; Fundort: Cane Creek Potash Mine, Interriver District, Grand Co., Utah, USA

Copyright: Rock Currier
Contribution: slugslayer 2010-06-19
Locality: Cane Creek Potash Mine / Interriver District / Grand Co. / Utah / USA

Collectors Summary

Color weißlich
Streak color weiß
Solubility +++ Säuren, - H2O
Crystal System hexagonal, P6/m

Chemism

Chemical formula

(Ca,Na2)7(Ce,La)2B22O43·7H2O

Chemical composition

Calcium, Cerium, Lanthanum, Natrium, Bor, Sauerstoff, Wasserstoff

Unit weight: 1622.4428637 u; Number of atoms in the formula: 96.75

Info

Empirical formula:

(Ca0.75(Na2)0.25)7(Ce0.75La0.25)2B22O43·7H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.87

14

14.47

1.0079470

14.1112580

Boron

B

14.66

22

22.74

10.8117000

237.8574000

Oxygen

O

49.31

50

51.68

15.9994300

799.9715000

Sodium

Na

4.96

3.5

3.62

22.9897702

80.4641957

Calcium

Ca

12.97

5.25

5.43

40.0784000

210.4116000

Lanthanum

La

4.28

0.5

0.52

138.9055200

69.4527600

Cerium

Ce

12.95

1.5

1.55

140.1161000

210.1741500

Strunz 9th edition incl. updates

6.HA.10

6: Borate
H: Unklassifizierte Borate
A: Untergruppe nicht spezifiziert
10:Braitschit

Lapis Classification

V/K.10-010

V: NITRATE, CARBONATE UND BORATE
K: Schichtborate mit komplexen Baugruppen [Bx(O,OH)y]

Classification by Hölzel

6.FA.180

6: Borates
F: Hexaborates
A: Nesohexaborates
1: Aksaite-Group - 6(3P+3T)

Dana 8th edition

26.07.06.01

26: Hydrated Borates Containing Hydroxyl or Halogen
07: Hydrated Borates Containing Hydroxyl or Halogen

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weißlich

Streak color

weiß

max. Birefringence

0.001

Birefringence chart\! Braitschite-(Ce) title=Birefringence chart Braitschite-(Ce)

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

1.646

RI value γ / ε

1.647

Ri mean

1.646

2V angle

Uniaxial (+)

Crystallography

Crystal System

hexagonal

Class (H-M)

6/m

Space Group number

175

Space Group

P6/m

Cell parameters a (Å)

12.156

Cell parameters b (Å)

-

Cell parameters c (Å)

7.377

Cell parameters a/b or c/a

0.607

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

1

Volumne (ų)

944.043

Kristall structure

Clare E. Rowland, Christopher L. Cahill, Jeffrey E. Post: The structure of braitschite, a calcium rare earth borate. American Mineralogist 96 (2011) S.197-201.

X-Ray Powder Diffraction

10.52(50),
4.283(100),
3.168(40),
3.155(40),
3.021(90),
2.809(50),
1.912(30),
1.880(30)

XRD chart Braitschite-(Ce)

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.903 (gemessen) 2.837 (berechnet)

2.854 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, - H2O

(Co-)Type locality

(Co-)Type locality

USA/Utah/Grand Co./Interriver District/Cane Creek Potash Mine

Type material

U. S. National Museum

Collection number of type material

120627

Preface

Name from

Prof. Dr. Otto Braitsch (1921 - 1966), Universität von Freiburg, Deutschland

Author (Name, Year)

Raup & Gude & Dwornik & Cuttitta & Rose, 1968

References

American Mineralogist 53 (1968), 1081

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Braitschite-(Ce)

(Ca,Na2)7(Ce,La)2B22O43·7H2O

hexagonal : 6/m : P6/m

6.HA.10

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

Braitschite-(Ce)

(Ca,Na2)7(Ce,La)2B22O43·7H2O

hexagonal : 6/m : P6/m

V/K.10-010

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

Aksaite

MgB6O7(OH)6·2H2O

orthorhombisch : mmm : Pbca

6.FA.100

Mcallisterite

Mg2B12O14(OH)12·9H2O

trigonal : 3m : R3c

6.FA.120

Admontite

MgB6O10·7H2O

monoklin : 2/m : P21/c

6.FA.130

Rivadavite

Na6MgB24O40·22H2O

monoklin : 2/m : P21/c

6.FA.160

Braitschite-(Ce)

(Ca,Na2)7(Ce,La)2B22O43·7H2O

hexagonal : 6/m : P6/m

6.FA.180

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Korzhinskite

CaB2O4·0.5H2O

monoklin : 2/m : P2/m

26.07.01.01

Parasibirskite

Ca2[B2O5]·H2O

monoklin : 2/m : P21/m

26.07.01.02

Chelkarite

CaMgB2O4Cl2·7H2O

orthorhombisch : mmm : Pbca

26.07.02.01

Ekaterinite

Ca2B4O7(Cl,OH)2·2H2O

hexagonal : 6 : P6

26.07.03.01

Satimolite

KNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4·4H2O

trigonal : 3m : R3m

26.07.04.01

Braitschite-(Ce)

(Ca,Na2)7(Ce,La)2B22O43·7H2O

hexagonal : 6/m : P6/m

26.07.06.01

Wardsmithite

Ca5MgB24O42·30H2O

26.07.07.01

Studenitsite

NaCa2[B9O14(OH)4]·2H2O

monoklin : 2/m : P21/c

26.07.08.01

Other languages

German

Braitschit-(Ce)

Spanish

Braitschita-(Ce)

French

Braitschite-(Ce)

English

Braitschite-(Ce)

Russian

Брайчит

IMA Number

IMA 1967-029

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

German pages

DeWikiPedia - search for: Braitschit-(Ce)
Google-Bilder-Suche - search for: Braitschit-(Ce)
Mineralogisch-Petrographisches-Institut Hamburg - search for: Braitschit-(Ce)

English pages

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

Russian pages

Webmineral.ru - search for: Брайчит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Braitschit-(Ce)
Bosse - search for: Braitschit-(Ce)

Locations with GPS information




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