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Lanthanite-(La) (镧石)

Pictures (2 Images total)

Lanthanit-(La), Cerit-(Ce)
Views (File:
1388409195
): 1327
Lanthanit-(La), Cerit-(Ce)
tiefroter Cerit-(Ce) in einem rosafarbenen Lanthanit-(La)-Kristall; Bastnäs, Riddarhyttan, Skinnskatteberg, Schweden; Bildbreite: 5,5 mm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Schweden/Västmanlands, Provinz/Skinnskatteberg/Riddarhyttan/Bastnäs
Mineral: Lanthanite-(La)
Image: 1388409195
License: Usage for Mineralienatlas project only
Lanthanit-(La), Cerit-(Ce)

tiefroter Cerit-(Ce) in einem rosafarbenen Lanthanit-(La)-Kristall; Bastnäs, Riddarhyttan, Skinnskatteberg, Schweden; Bildbreite: 5,5 mm

Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2013-12-30
Locality: Bastnäs / Riddarhyttan / Skinnskatteberg / Västmanlands, Provinz / Schweden
Lanthanit-(La)
Views (File:
1521895346
): 376
Lanthanit-(La)
Frankreich/Okzitanien (Occitanie), Region/Hérault, Département/Caux; Farbe weiß BB-25 mm
Copyright: derhesse; Contribution: anatase2
Collection: anatase2
Location: Frankreich/Okzitanien (Occitanie), Region/Hérault, Département/Béziers, Arrondissement/Caux
Mineral: Lanthanite-(La)
Image: 1521895346
License: Usage for Mineralienatlas project only
Lanthanit-(La)

Frankreich/Okzitanien (Occitanie), Region/Hérault, Département/Caux; Farbe weiß BB-25 mm

Collection: anatase2
Copyright: derhesse
Contribution: anatase2 2018-03-24
Locality: Caux / Béziers, Arrondissement / Hérault, Département / Okzitanien (Occitanie), Region / Frankreich

Collectors Summary

Color farblos, gelblich, gelblich weiß, weiß, rosa
Streak color weiß
Hardness (Mohs) 2.75
Solubility +++ Säuren, kochendes H2O
Crystal System orthorhombisch, Pbnb

Chemism

Chemical formula

(La,Ce)2(CO3)3·8H2O

Chemical composition

Cerium, Lanthanum, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 602.566132 u; Number of atoms in the formula: 38

Info

Empirical formula:

(La0.75Ce0.25)2(CO3)3·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.68

16

42.11

1.0079470

16.1271520

Carbon

C

5.98

3

7.89

12.0107800

36.0323400

Oxygen

O

45.14

17

44.74

15.9994300

271.9903100

Lanthanum

La

34.58

1.5

3.95

138.9055200

208.3582800

Cerium

Ce

11.63

0.5

1.32

140.1161000

70.0580500

Strunz 9th edition incl. updates

5.CC.25

5: Carbonate (Carbonate, Nitrate)
C: Carbonate ohne weitere Anionen, mit H2O
C: Mit Seltenerden-Elementen (REE)
25:

Lapis Classification

V/D.03-020

V: NITRATE, CARBONATE UND BORATE
D: Wasserhaltige Carbonate, ohne fremde Anionen

Classification by Hölzel

5.CC.200

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
C: Carbonates (-Anions +Water)
C: With large Cations, mostly REElements
2: Lanthanite-Group

Dana 8th edition

15.04.02.01

15: Hydrated Carbonates
04: Hydrated Carbonates
02: Lanthanite Series

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, gelblich, gelblich weiß, weiß, rosa

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.09~

Birefringence chart\! Lanthanite-(La) title=Birefringence chart Lanthanite-(La)

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

1.52

RI value β

1.587

RI value γ / ε

1.613

Ri mean

1.573

2V angle

Biaxial (-) 63°

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

56

Space Group

Pbnb

Cell parameters a (Å)

9.504

Cell parameters b (Å)

16.943

Cell parameters c (Å)

8.937

Cell parameters a/b or c/a

0.561

Cell parameters c/b

0.527

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

1439.092

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.75

VHN (Hardness Vickers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.61

2.781 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, kochendes H2O

Preface

Author (Name, Year)

Haidinger, 1845

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 389

Other languages

Spanish

Lantanita-(La)

German

Lanthanit-(La)

English

Lanthanite-(La)

French

Lanthanite-(La)

Russian

Лантанит-(La)

Traditional Chinese

碳鑭石

Simplified Chinese

碳镧石

Alternative Name

Coutinhite

Neodymite

Traditional Chinese

鑭石

Simplified Chinese

镧石

CNMNC symbol

Symbol

Ltn-La

Locations with GPS information

IDs

GUSID (Global unique identifier short form) oZ1aZN-H2E2IcFHQnZiDbg
GUID (Global unique identifier) 645A9DA1-87DF-4DD8-8870-51D09D98836E
Database ID 2132