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Calcioburbankite (Calcioburbankit)

Pictures (1 Images total)

Petersenit-(Ce), Calcioburbankit
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Petersenit-(Ce), Calcioburbankit
1,9 mm langer prismatischer Petersenit-(Ce) mit weißem Calcioburbankit. Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Jason B. Smith; Contribution: thdun5
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Calcioburbankite, Petersenite-(Ce)
Image: 1275738193
License: Usage for Mineralienatlas project only
Petersenit-(Ce), Calcioburbankit

1,9 mm langer prismatischer Petersenit-(Ce) mit weißem Calcioburbankit. Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Jason B. Smith
Contribution: thdun5 2010-06-05
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada

Collectors Summary

Color orange, hellrosa, seidenweiß
Streak color weiß
Hardness (Mohs) 3.00 - 4.00
Cleavages undeutlich {100}
Fracture muschelig
Solubility +++ 10% HCl
Crystal System hexagonal, P63mc

Chemism

Chemical formula

Na3(Ca,Ce,La,Sr)3(CO3)5

Chemical composition

Calcium, Cerium, Lanthanum, Natrium, Strontium, Kohlenstoff, Sauerstoff

Unit weight: 616.0633166 u; Number of atoms in the formula: 26

Info

Empirical formula:

Na3(Ca0.55Ce0.3La0.1Sr0.05)3(CO3)5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Carbon

C

9.75

5

19.23

12.0107800

60.0539000
Oxygen

O

38.96

15

57.69

15.9994300

239.9914500
Sodium

Na

11.20

3

11.54

22.9897702

68.9693106
Calcium

Ca

10.73

1.65

6.35

40.0784000

66.1293600
Strontium

Sr

2.13

0.15

0.58

87.6210000

13.1431500
Lanthanum

La

6.76

0.3

1.15

138.9055200

41.6716560
Cerium

Ce

20.47

0.9

3.46

140.1161000

126.1044900

Analysis wt%

Na2O : 15.17, CaO : 11.81, BaO : 0.46, SrO : 7.65, La2O3 : 9.30, Ce2O3 : 14.38, Pr2O3 : 1.26, Nd2O3 : 3.76, Sm2O3 : 0.48, CO2 : 35.13, Ln2O3 : 29.18 (Ref: Canadian Mineralogist 95)

Strunz 9th edition incl. updates

5.AD.10

5: Carbonate (Carbonate, Nitrate)
A: Carbonate ohne weitere Anionen, ohne H2O
D: Mit Seltenerden(REE)-Elementen
10:Burbankit-Gruppe

Lapis Classification

V/B.07-030

V: NITRATE, CARBONATE UND BORATE
B: Wasserfreie Carbonate [CO3] 2-, ohne fremde Anionen
7: Burbankit-Reihe

Classification by Hölzel

5.AB.315

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
B: Carbonates: hexagonal or trigonal
3: Other Double Carbonates

Dana 8th edition

14.04.04.03

14: Anhydrous Carbonates
04: Anhydrous Carbonates with Compound Formula A+2 B++2 (CO3)4
04: Burbankite Group (Hexagonal)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

orange, hellrosa, seidenweiß

Streak color

weiß

max. Birefringence

0.005
Birefringence chart\! Calcioburbankite title=Birefringence chart Calcioburbankite

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

1.636

RI value γ / ε

1.631

Ri mean

1.634

2V angle

Uniaxial (-)

Crystallography

Crystal System

hexagonal

Class (H-M)

6mm

Space Group number

186

Space Group

P63mc

Cell parameters a (Å)

10.447

Cell parameters b (Å)

-

Cell parameters c (Å)

6.318

Cell parameters a/b or c/a

0.605

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volumne (ų)

597.164

X-Ray Powder Diffraction

9.07(20),
5.20(40),
4.54(20),
3.68(30),
3.01(50),
2.601(100),
2.130(60),
1.649(30)
XRD chart Calcioburbankite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.00 - 4.00

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.45 (berechnet)

3.426 ( ρ calc. Mineralienatlas )

Cleavages

undeutlich {100}

Fracture

muschelig

Tenacity

spröde

Instability

+++ 10% HCl

(Co-)Type locality

(Co-)Type locality

Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)

Preface

Author (Name, Year)

Van Velthuizen & Gault & Grice, 1995

References

Canadian Mineralogist 33 (1995), 1231

Other languages

German

Calcioburbankit

Spanish

Calcioburbankita

English

Calcioburbankite

French

Calcioburbankite

Russian

Кальциобербанкит

Russian

Кальциобурбанкит

CNMNC (IMA)-Number

IMA 1993-001

CNMNC symbol

Symbol

Cbbn

Locations with GPS information