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Calcioburbankite

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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 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

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

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

German pages

DeWikiPedia - search for: Calcioburbankit
Google-Bilder-Suche - search for: Calcioburbankit
Mineralienatlas.de (Forum) - search for: Calcioburbankit

English pages

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

Russian pages

Webmineral.ru - search for: Кальциобурбанкит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Calcioburbankit
Crystal-Treasure.com - search for: Calcioburbankit
Bosse - search for: Calcioburbankit
Edelsteine Neuburg - Gundolf Fischer - search for: Calcioburbankit

Locations with GPS information