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Zugshunstite-(Ce)

Additional Functions

Collectors Summary

Color farblos, blassrosa
Streak color weiß
Lustre Glasglanz
Cleavages undeutlich {010}
Fracture unregelmäßig
Solubility +++ H2O
Crystal System monoklin, C2/c
Morphology subparallele Kristallaggregate; gedrungene, prismatische Kristalle

Chemism

Chemical formula

(Ce,Nd)Al[(SO4)2|C2O4]·12H2O

Chemical composition

Aluminium, Cerium, Neodymium, Kohlenstoff, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 664.4589712 u; Number of atoms in the formula: 54

Info

Empirical formula:

(Ce0.75Nd0.25)Al[(SO4)2C2O4]·12H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.64

24

44.44

1.0079470

24.1907280

Carbon

C

3.62

2

3.70

12.0107800

24.0215600

Oxygen

O

57.79

24

44.44

15.9994300

383.9863200

Aluminium

Al

4.06

1

1.85

26.9815382

26.9815382

Sulfur

S

9.65

2

3.70

32.0655000

64.1310000

Cerium

Ce

15.82

0.75

1.39

140.1161000

105.0870750

Neodymium

Nd

5.43

0.25

0.46

144.2430000

36.0607500

Strunz 9th edition incl. updates

10.AB.75

10: Organische Verbindungen
A: Salze organischer Säuren
B: Oxalate
75:Zugshunstit-Gruppe

Lapis Classification

IX/A.01-130

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

Classification by Hölzel

A.AA.510

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

Dana 8th edition

50.01.09.01

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

IMA status

anerkannt 1996

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, blassrosa

Streak color

weiß

Diaphaneity (Transparency)

Semitransparent

Lustre

Glasglanz

max. Birefringence

0.073

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

1.455

RI value β

1.485

RI value γ / ε

1.528

Ri mean

1.489

2V angle

Biaxial (+) 85°

Dispersion

mittel; r >v

Optical Data Luminescence

Luminescence

blassblau unter UV Licht

Color LW-UV (365nm)

 

bläulich weiß

LW-UV Intensity

sehr schwach

Color SW-UV (254nm)

 

bläulich weiß

SW-UV Intensity

sehr schwach

Most Common Activator

wesensmäßig organisches Material

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

8.718

Cell parameters b (Å)

18.313

Cell parameters c (Å)

13.128

Cell parameters a/b or c/a

0.476

Cell parameters c/b

0.717

Cell parameters α

90°

Cell parameters β

93.90

Cell parameters γ

90°

Z

4

Volume (ų)

2091.068

X-Ray Powder Diffraction

7.9(100),
6.58(10),
5.36(50),
5.01(40),
3.93(70),
3.74(20),
3.29(20),
3.07(20)

XRD chart Zugshunstite-(Ce)

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

Morphology

subparallele Kristallaggregate; gedrungene, prismatische Kristalle

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.121 (berechnet)

2.11 ( ρ calc. Mineralienatlas )

Cleavages

undeutlich {010}

Fracture

unregelmäßig

Tenacity

spröde

Instability

+++ H2O

(Co-)Type locality

(Co-)Type locality

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

Type material

University of Michigan, Ann Arbor, Michigan;

National Museum of Natural History, Washington, D.C., USA

Preface

Generation conditions

durch Verwitterung von Monazit und Xenotim in pyrithaltigem Phyllit

Name from

der Bezeichnung der Cherokee-Indianer für das Fundgebiet

Author (Name, Year)

Rouse & Peacor & Essene & Coskren & Lauf, 2001

References

Geochimica et Cosmochimica Acta 65 (2001), 1101.

American Mineralogist 86 (2001), 1536.

Geochemica et Cosmochimica Acta 65 (2001), 1101.

Other languages

German

Zugshunstit-(Ce)

English

Zugshunstite-(Ce)

CNMNC (IMA)-Number

IMA 1996-055

CNMNC symbol

Symbol

Zug-Ce

IDs

GUSID (Global unique identifier short form) kxqhthlsW0SUfYo_1loUEA
GUID (Global unique identifier) B6A11A93-6C19-445B-947D-8A3FD65A1410
Database ID 4320