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Levinsonite-(Y)

Additional Functions

Collectors Summary

Color farblos, weiß
Streak color weiß
Lustre Glasglanz
Cleavages vollkommen {101}
Fracture unregelmäßig
Solubility +++ H2O
Crystal System monoklin, P2/n

Chemism

Chemical formula

YAl(SO4)2(C2O4)·12H2O

Chemical composition

Aluminium, Yttrium, Kohlenstoff, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 612.2169982 u; Number of atoms in the formula: 54

Info

Empirical formula:

YAl(SO4)2(C2O4)·12H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.95

24

44.44

1.0079470

24.1907280

Carbon

C

3.92

2

3.70

12.0107800

24.0215600

Oxygen

O

62.72

24

44.44

15.9994300

383.9863200

Aluminium

Al

4.41

1

1.85

26.9815382

26.9815382

Sulfur

S

10.48

2

3.70

32.0655000

64.1310000

Yttrium

Y

14.52

1

1.85

88.9058520

88.9058520

Strunz 9th edition incl. updates

10.AB.70

10: Organische Verbindungen
A: Salze organischer Säuren
B: Oxalate
70:

Lapis Classification

IX/A.01-120

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

Classification by Hölzel

A.AA.500

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

Dana 8th edition

50.01.09.03

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, weiß

Streak color

weiß

Diaphaneity (Transparency)

durchsichtig

Lustre

Glasglanz

max. Birefringence

0.07

Birefringence chart\! Levinsonite-(Y) title=Birefringence chart Levinsonite-(Y)

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

1.48

RI value β

1.49

RI value γ / ε

1.55

Ri mean

1.507

2V angle

Biaxial (+) 7°

Orientation

Y = b; X ≃ c; Z ^ c = 19°

Optical Data Luminescence

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

13

Space Group

P2/n

Cell parameters a (Å)

10.289

Cell parameters b (Å)

9.234

Cell parameters c (Å)

11.015

Cell parameters a/b or c/a

1.114

Cell parameters c/b

1.193

Cell parameters α

90°

Cell parameters β

108.50°

Cell parameters γ

90°

Z

2

Volume (ų)

992.44

X-Ray Powder Diffraction

9.3(100),
6.28(90),
5.20(40),
4.89(60),
4.63(30),
4.09(50),
3.700(30),
2.867(30)

XRD chart Levinsonite-(Y)

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)

2.179 (berechnet)

2.049 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {101}

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

Associations

Zugshunstit-(Ce), Epsomit, Halotrichit-Gruppe

Name from

Zu Ehren von Dr. Alfred Abraham Levinson (1927), Mineraloge, University von Calgary, Calgary, Kanada, der das System für die Nomenklatur für Seltenerdminerale entwickelte.

Author (Name, Year)

Rouse & Peacor & Essene & Coskren & Lauf, 2001

References

Geochimica et Cosmochimica Acta 65 (2001), 1101

Other languages

German

Levinsonit-(Y)

Spanish

Levinsonita-(Y)

French

Levinsonite-(Y)

English

Levinsonite-(Y)

CNMNC (IMA)-Number

IMA 1996-057

CNMNC symbol

Symbol

Lvi-Y

IDs

GUSID (Global unique identifier short form) EqgsHwUQ60WkNaFvnWltAw
GUID (Global unique identifier) 1F2CA812-1005-45EB-A435-A16F9D696D03
Database ID 2197