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Coskrenite-(Ce)

Additional Functions

Collectors Summary

Color farblos
Cleavages vollkommen {001}
Solubility ++ H2O
Crystal System triklin, P1, P1

Chemism

Chemical formula

(Ce,Nd,La)2[(SO4)2|C2O4]·8H2O

Chemical composition

Cerium, Lanthanum, Neodymium, Kohlenstoff, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 706.734536 u; Number of atoms in the formula: 42

Info

Empirical formula:

(Ce0.6Nd0.3La0.1)2[(SO4)2C2O4]·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.28

16

38.10

1.0079470

16.1271520
Carbon

C

3.40

2

4.76

12.0107800

24.0215600
Oxygen

O

45.28

20

47.62

15.9994300

319.9886000
Sulfur

S

9.07

2

4.76

32.0655000

64.1310000
Lanthanum

La

3.93

0.2

0.48

138.9055200

27.7811040
Cerium

Ce

23.79

1.2

2.86

140.1161000

168.1393200
Neodymium

Nd

12.25

0.6

1.43

144.2430000

86.5458000

Strunz 9th edition incl. updates

10.AB.65

10: Organische Verbindungen
A: Salze organischer Säuren
B: Oxalate
65:

Lapis Classification

IX/A.01-110

IX: ORGANISCHE VERBINDUNGEN
A: Salze organischer Säuren
1: Oxalate [C2O4] 2-

Classification by Hölzel

A.AA.530

A: ORGANIC COMPLEXES
A: Carbonacids and their Salts
A: Oxalates

Dana 8th edition

50.01.09.02

50: Organic Minerals
01: Salts of Organic Acids (Oxalates)
09: Zugshunstite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

max. Birefringence

0.058
Birefringence chart\! Coskrenite-(Ce) title=Birefringence chart Coskrenite-(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

1.544

RI value β

1.578

RI value γ / ε

1.602

Ri mean

1.575

2V angle

Biaxial (-) 65°

Optical Data Luminescence

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

triklin

Class (H-M)

1, 1

Space Group number

1, 2

Space Group

P1, P1

Cell parameters a (Å)

6.007

Cell parameters b (Å)

8.368

Cell parameters c (Å)

9.189

Cell parameters a/b or c/a

0.718

Cell parameters c/b

1.098

Cell parameters α

99.90

Cell parameters β

105.55

Cell parameters γ

107.72

Z

1

Volume (ų)

407.384

X-Ray Powder Diffraction

8.52(70),
6.72(60),
5.48(100),
4.26(50),
3.84(60),
3.61(30),
3.35(40),
2.744(40)
XRD chart Coskrenite-(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)

2.881 (berechnet)

2.881 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Tenacity

spröde

Instability

++ H2O

(Co-)Type locality

(Co-)Type locality

USA/Tennessee/Sevier Co./Great Smoky Mts./Alum Cave Bluff

Preface

Author (Name, Year)

Peacor & Rouse & Essene, 1999

References

Canadian Mineralogist 37 (1999), 1453

Other languages

German

Coskrenit-(Ce)

Spanish

Coskrenita-(Ce)

English

Coskrenite-(Ce)

French

Coskrenite-(Ce)

Alternative Name

German

Coskrenit

Spanish

Coskrenita

Coskrenite

CNMNC (IMA)-Number

IMA 1996-056

CNMNC symbol

Symbol

Ckr-Ce

IDs

GUSID (Global unique identifier short form) 3bDbChaoJEa9M8TtqGL6Kg
GUID (Global unique identifier) 0ADBB0DD-A816-4624-BD33-C4EDA862FA2A
Database ID 823