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Aluminocerite-(Ce)

Pictures (5 Images total)

Aluminocerit-(Ce)
Views (Image: 1389009518): 1522
Aluminocerit-(Ce)

Bildbreite: 2 mm; Fundort: Seula Mine, Monte Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola, Piemont, Italien

Copyright: Matteo Chinellato
Contribution: Hg 2014-01-06
Locality: Montecatini-Steinbruch (Seula Mine) / Monte Camoscio / Oltrefiume / Baveno / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien
Aluminocerit-(Ce)
Views (Image: 1275220633): 901
Aluminocerit-(Ce)

Bildbreite: 4 mm, Fundort: Seula Mine, Monte Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola, Piemont, Italien

Copyright: Luigi Chiappino
Contribution: thdun5 2010-05-30
Locality: Montecatini-Steinbruch (Seula Mine) / Monte Camoscio / Oltrefiume / Baveno / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien
Aluminocerit-(Ce) (rosa) auf Chevkinit-(Ce)
Views (Image: 1243695403): 1272
Aluminocerit-(Ce) (rosa) auf Chevkinit-(Ce)

Bildbreite: 4 mm; Fundort: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte, Khaldzan-Buragtag-Massiv, Altai-Hochgebirge, Chowd-Aimag, Mongolei

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-30
Locality: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte / Khaldzan-Buragtag-Massiv / Altai-Hochgebirge / Chowd, Aimag / Mongolei
Aluminocerit-(Ce)
Views (Image: 1272046641): 1012
Aluminocerit-(Ce)

Bildbreite: 4 mm, Fundort: Lagmannsvik, Hamarøy, Nordland, Norwegen

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-23
Locality: Lagmannsvik / Hamarøy / Nordland, Provinz / Norwegen
Aluminocerit-(Ce)
Views (Image: 1279096730): 832
Aluminocerit-(Ce)

Größe: 0,5 mm; Fundort: Baveno, Verbano-Cusio-Ossola Provinz, Italien

Copyright: Matteo Chinellato
Contribution: Hg 2010-07-14
Locality: Baveno / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien

Collectors Summary

Hardness (Mohs) 5
Cleavages keine
Fracture keiner
Crystal System trigonal, R3c

Chemism

Chem­ical formula

(Ce,REE,Ca)9(Al,Fe3+)(SiO4)3[SiO3(OH)]4(OH)3

Chem­ical com­po­si­tion

Aluminium, Calcium, Cerium, Eisen, Silicium, Sauerstoff, Wasserstoff, REE

Unit weight: 1881.31686865 u; Number of atoms in the formula: 51

Info

Empirical formula:

(Ce0.6REE0.3Ca0.1)9(Al0.75Fe0.25)(SiO4)3[SiO3(OH)]4(OH)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.27

5

9.80

1.0079470

5.0397350

Oxygen

O

24.66

29

56.86

15.9994300

463.9834700

Aluminium

Al

1.08

0.75

1.47

26.9815382

20.2361537

Silicon

Si

10.45

7

13.73

28.0855300

196.5987100

Calcium

Ca

1.92

0.9

1.76

40.0784000

36.0705600

Iron

Fe

0.74

0.25

0.49

55.8452000

13.9613000

Cerium

Ce

40.22

5.4

10.59

140.1161000

756.6269400

Rare Earth

REE

20.67

2.7

5.29

144.0000000

388.8000000

Strunz 9th edi­tion incl. updates

9.AG.20

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
G: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in meist [6] und > [6] Koordination
20:

Lapis Clas­sifica­tion

VIII/B.19-035

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
19: Kationen mit Koordinationszahlen zwischen [8] und [12]

Clas­sifica­tion by Hölzel

9.AI.535

9: SILICATES
A: Nesosilicates
I: Nesosilicates with OH
5: With REE's

IMA sta­tus

anerkannt im März 2008

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Cerite supergroup  ⇒ Cerite group

Optical Properties

max. Birefrin­gence

0.004

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

1.813

RI value γ / ε

1.817

Ri mean

1.814

2V angle

Uniaxial (+)

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

161

Space Group

R3c

Cell param­e­ters a (Å)

10.645

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

38.019

Cell param­e­ters a/b or c/a

3.572

Cell param­e­ters c/b

-

Z

6

Volumne (ų)

3730.978

X-Ray Pow­der Diffrac­tion

3.405(27), 3.250(26), 2.914(100), 2.647(58), 2.198(40), 1.923(34), 1.750(46), 1.732(34)

XRD chart Aluminocerite-(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)

5

VHN (Hard­ness Vick­ers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.675 (berechnet)

5.024 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

keiner

Tenac­ity

spröde

Preface

Author (Name, Year)

Fabrizio Nestola, 2008

References

Neue Mineralien, IMA-WEB-Seite März 2008

IMA group assignments

Other languages

German

Aluminocerit-(Ce)

English

Aluminocerite-(Ce)

French

Aluminocerite-(Ce)

Russian

Алюминоцерит-(Ce)

CNMNC (IMA)-Number

IMA 2007-060

CNMNC symbol

Symbol

Acrt-Ce

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Aluminocerit-(Ce)
Google-Bilder-Suche - search for: Aluminocerit-(Ce)
Mineralienatlas.de (Forum) - search for: Aluminocerit-(Ce)

English pages

Mindat - search for: Aluminocerite-(Ce)
Webmineral - search for:Aluminocerite-(Ce)
Handbook-of-Mineralogy - search for: Aluminocerite-(Ce)
RRUFF - Raman, XRD and other mineral data - search for: Aluminocerite-(Ce)
RRUFF - References and PDF downloads - search for: Aluminocerite-(Ce)
American-Mineralogist-Crystal-Structure-Database - search for: Aluminocerite-(Ce)
Strahlen.org - search for: Aluminocerite-(Ce)

Russian pages

Webmineral.ru - search for: Алюминоцерит-(Ce)

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Aluminocerit-(Ce)
Crystal-Treasure.com - search for: Aluminocerit-(Ce)
Bosse - search for: Aluminocerit-(Ce)
Edelsteine Neuburg - Gundolf Fischer - search for: Aluminocerit-(Ce)

Locations with GPS information