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Daqingshanite-(Ce)

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Daqingshanit-(Ce)
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Daqingshanit-(Ce)
Kristallgröße: 0,2 mm, Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Jason B. Smith; Contribution: thdun5
Location: Kanada/Québec, Provinz/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Daqingshanite-(Ce)
Image: 1275924696
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Daqingshanit-(Ce)

Kristallgröße: 0,2 mm, Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Jason B. Smith
Contribution: thdun5 2010-06-07
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec, Provinz / Kanada

Collectors Summary

Color weiß, hellgelb
Streak color weiß
Hardness (Mohs) 4.75
Solubility +++ verdünnte HCl, + Ammomiumacetat
Crystal System trigonal, R3m

Chemism

Chemical formula

(Sr,Ca,Ba)3(Ce,La)(CO3,OH,F)3(PO4)

Chemical composition

Barium, Calcium, Cerium, Lanthanum, Strontium, Fluor, Kohlenstoff, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 598.794092475 u; Number of atoms in the formula: 18.3

Info

Empirical formula:

(Sr0.6Ca0.3Ba0.1)3(Ce0.75La0.25)((CO3)0.6(OH)0.3F0.1)3(PO4)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.15

0.9

4.92

1.0079470

0.9071523
Carbon

C

3.61

1.8

9.84

12.0107800

21.6194040
Oxygen

O

27.52

10.3

56.28

15.9994300

164.7941290
Fluorine

F

0.95

0.3

1.64

18.9984033

5.6995210
Phosphorus

P

5.17

1

5.46

30.9737612

30.9737612
Calcium

Ca

6.02

0.9

4.92

40.0784000

36.0705600
Strontium

Sr

26.34

1.8

9.84

87.6210000

157.7178000
Barium

Ba

6.88

0.3

1.64

137.3277000

41.1983100
Lanthanum

La

5.80

0.25

1.37

138.9055200

34.7263800
Cerium

Ce

17.55

0.75

4.10

140.1161000

105.0870750

Analysis wt%

BaO : 15.98, SrO : 26.10, CaO : 6.17, MgO : 0.72, La2O3 : 7.88, Ce2O3 : 10.16, Pr6O11 : 0.70, Nd2O3 : 1.59, P2O5 : 11.73, CO2 : 16.19, H2O : 0.68, F : 0.80, Ln2O3 : 20.74 (Ref: Geochem.83)

Strunz 9th edition incl. updates

5.BF.15

5: Carbonate (Carbonate, Nitrate)
B: Carbonate mit weitere Anionen, ohne H2O
F: Mit [Cl], SO4, P04
15:Daqingshanit

Lapis Classification

VII/B.38-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
38: Mittelgroße und große Kationen: Mg-Cu-Zn und Ca-Na-K-Ba-Pb

Classification by Hölzel

5.BD.850

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
B: Carbonates (+Anions -Water)
D: Carbonates with Rare Earth Elements
8: With other complex anions

Dana 8th edition

17.01.10.01

17: Compound Carbonates
01: Compound Carbonates with miscellaneous formulae

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß, hellgelb

Streak color

weiß

max. Birefringence

0.099
Birefringence chart\! Daqingshanite-(Ce) title=Birefringence chart Daqingshanite-(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

1.708

RI value γ / ε

1.609

Ri mean

1.675

2V angle

Uniaxial (-)

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

10.058

Cell parameters b (Å)

-

Cell parameters c (Å)

9.225

Cell parameters a/b or c/a

0.917

Cell parameters c/b

-

Z

3

Volume (ų)

808.203

X-Ray Powder Diffraction

5.030(50),
3.940(80),
3.170(100),
3.060(70),
2.520(70),
2.120(80),
2.040(80),
1.948(80)
XRD chart Daqingshanite-(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

Hardness (Mohs)

4.75

VHN (Hardness Vickers)

335 (20g)

Density (g/cm³)

3.81

3.691 ( ρ calc. Mineralienatlas )

Instability

+++ verdünnte HCl, + Ammomiumacetat

(Co-)Type locality

(Co-)Type locality

China/Innere Mongolei (Neimenggu)/Baotou/Vereinigtes Darhan-Mumingan-Banner/Bayan Obo/Bayan Obo SE-Fe-Nb-Lagerstätte

Sambia/Nordprovinz/Isoka, Distrikt/Nkumbwa Hill

Preface

Author (Name, Year)

Ren & Ximen & Peng, 1983

References

Geochemistry (China) 2 (1983), 180

Other languages

German

Daqingshanit-(Ce)

Spanish

Daqingshanita-(Ce)

English

Daqingshanite-(Ce)

French

Daqingshanite-(Ce)

Russian

Дациншанит-(Ce)

Simplified Chinese

大青山矿

Alternative Name

Unnamed (MSH UK-44)

CNMNC (IMA)-Number

IMA 1981-063

CNMNC symbol

Symbol

Daq-Ce

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ZJxDH6dp8ESG550gBNI86Q
GUID (Global unique identifier) 1F439C64-69A7-44F0-86E7-9D2004D23CE9
Database ID 885