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Cerite-(CeCa) (Cerite)

Pictures (8 Images total)

Cerit-(Ce)
Views (File:
1314535271
): 2925, Rating: 6.5
Cerit-(Ce)
Größe: 0,25 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Bagnolo Piemonte/Montoso, Steinbrüche
Mineral: Cerite-(CeCa)
Image: 1314535271
Rating: 6.5 (votes: 4)
License: Usage for Mineralienatlas project only
Cerit-(Ce)

Größe: 0,25 mm; Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-28
Locality: Montoso, Steinbrüche / Bagnolo Piemonte / Cuneo, Provinz / Piemont (Piemonte), Region / Italien
Cerit-(Ce)
Views (File:
1217346698
): 3215
Cerit-(Ce)
Rötlich und Allanit, schwarz. Bastnäs, Riddarhyttan, Västmansland, Schweden. 3x4cm
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Schweden/Västmanlands, Provinz/Skinnskatteberg/Riddarhyttan/Bastnäs
Mineral: Cerite-(CeCa)
Image: 1217346698
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Cerit-(Ce)

Rötlich und Allanit, schwarz. Bastnäs, Riddarhyttan, Västmansland, Schweden. 3x4cm
Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2008-07-29
Locality: Bastnäs / Riddarhyttan / Skinnskatteberg / Västmanlands, Provinz / Schweden
Cerit-(Ce) (rosa) mit Fergusonit-(Y) (braun)
Views (File:
1241172129
): 2982
Cerit-(Ce) (rosa) mit Fergusonit-(Y) (braun)
und Chevkinit (schwarz); Bildbreite: 4 mm; Fundort: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte, Khaldzan-Buragtag-Massiv, Altai-Hochgebirge, Chowd-Aimag, Mongolei
Copyright: Pavel M. Kartashov; Contribution: Philip Blümner
Location: Mongolei/Chowd, Aimag/Altai-Hochgebirge/Khaldzan-Buragtag-Massiv/Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte
Mineral: Cerite-(CeCa), Fergusonite-(Y)
Image: 1241172129
Rating: 4 (votes: 1)
License: Usage for Mineralienatlas project only
Cerit-(Ce) (rosa) mit Fergusonit-(Y) (braun)

und Chevkinit (schwarz); Bildbreite: 4 mm; Fundort: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte, Khaldzan-Buragtag-Massiv, Altai-Hochgebirge, Chowd-Aimag, Mongolei
Copyright: Pavel M. Kartashov
Contribution: Philip Blümner 2009-05-01
Locality: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte / Khaldzan-Buragtag-Massiv / Altai-Hochgebirge / Chowd, Aimag / Mongolei
Cerit-(Ce) (rosa) mit Chevkinit-(Ce) (schwarz)
Views (File:
1241172661
): 2577
Cerit-(Ce) (rosa) mit Chevkinit-(Ce) (schwarz)
Bildbreite: 4 mm; Fundort: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte, Khaldzan-Buragtag-Massiv, Altai-Hochgebirge, Chowd-Aimag, Mongolei
Copyright: Pavel M. Kartashov; Contribution: Philip Blümner
Location: Mongolei/Chowd, Aimag/Altai-Hochgebirge/Khaldzan-Buragtag-Massiv/Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte
Mineral: Cerite-(CeCa), Chevkinite-(Ce)
Image: 1241172661
License: Usage for Mineralienatlas project only
Cerit-(Ce) (rosa) mit Chevkinit-(Ce) (schwarz)

Bildbreite: 4 mm; Fundort: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte, Khaldzan-Buragtag-Massiv, Altai-Hochgebirge, Chowd-Aimag, Mongolei
Copyright: Pavel M. Kartashov
Contribution: Philip Blümner 2009-05-01
Locality: Tsakhirin Khuduk Y-Zr-Nb-Lagerstätte / Khaldzan-Buragtag-Massiv / Altai-Hochgebirge / Chowd, Aimag / Mongolei
Cerit-(Ce)
Views (File:
1282339600
): 1668
Cerit-(Ce)
Bildbreite: 2 mm, Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Bagnolo Piemonte/Montoso, Steinbrüche
Mineral: Cerite-(CeCa)
Image: 1282339600
License: Usage for Mineralienatlas project only
Cerit-(Ce)

Bildbreite: 2 mm, Fundort: Montoso Mine, Bagnolo, Piemont, Italien
Copyright: Luigi Chiappino
Contribution: thdun5 2010-08-20
Locality: Montoso, Steinbrüche / Bagnolo Piemonte / Cuneo, Provinz / Piemont (Piemonte), Region / Italien

Collectors Summary

Color braun, Clove braun, kirschrot rot, grau
Hardness (Mohs) 5.5
Solubility ++ Säuren
Crystal System trigonal, R3c

Chemism

Chemical formula

(Ce,La,Ca)9(Fe3+,Mg)[(OH)3|SiO3(OH)|(SiO4)6]

Chemical composition

Calcium, Cerium, Eisen, Lanthanum, Magnesium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 1912.315397 u; Number of atoms in the formula: 52

Info

Empirical formula:

(Ce0.6La0.3Ca0.1)9(Fe0.75Mg0.25)[(OH)3SiO3(OH)(SiO4)6]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.21

4

7.69

1.0079470

4.0317880
Oxygen

O

25.94

31

59.62

15.9994300

495.9823300
Magnesium

Mg

0.32

0.25

0.48

24.3050600

6.0762650
Silicon

Si

10.28

7

13.46

28.0855300

196.5987100
Calcium

Ca

1.89

0.9

1.73

40.0784000

36.0705600
Iron

Fe

2.19

0.75

1.44

55.8452000

41.8839000
Lanthanum

La

19.61

2.7

5.19

138.9055200

375.0449040
Cerium

Ce

39.57

5.4

10.38

140.1161000

756.6269400

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.19-040

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

Classification by Hölzel

9.AI.530

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

Dana 8th edition

52.04.06.01

52: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
04: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or > [6] coordination
06: Cerite Group

IMA status

Ehemals anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Cerite supergroup  ⇒ Cerite group  ⇒ Cerite subgroup

Optical Properties

Color

braun, Clove braun, kirschrot rot, grau

Diaphaneity (Transparency)

teilweise durchscheinend bis opak

max. Birefringence

0.015
Birefringence chart\! Cerite-(CeCa) title=Birefringence chart Cerite-(CeCa)

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

1.810

RI value γ / ε

1.825

Ri mean

1.815

2V angle

Uniaxial (+)

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

161

Space Group

R3c

Cell parameters a (Å)

10.779

Cell parameters b (Å)

-

Cell parameters c (Å)

38.061

Cell parameters a/b or c/a

3.531

Cell parameters c/b

-

Z

6

Volume (ų)

3829.727

X-Ray Powder Diffraction

3.47(40),
3.11(30),
2.95(100),
2.83(40),
2.80(30),
2.69(40),
2.22(20),
1.954(50)
XRD chart Cerite-(CeCa)

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)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.86

4.975 ( ρ calc. Mineralienatlas )

Instability

++ Säuren

(Co-)Type locality

(Co-)Type locality

Schweden/Västmanlands, Provinz/Skinnskatteberg/Riddarhyttan/Bastnäs

Preface

Author (Name, Year)

Hisinger & Berzelius, 1804

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 123

Daniel Atencio, Andrezza de Almeida Azzi: Cerite: a new supergroup of minerals and cerite-(La) renamed ferricerite-(La). Mineralogical Magazine Vol. 84, Nr. 6 (2020) S. 928-931.

IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 73, 4 Nomenclature/classification proposals approved in May 2023, 4.1 Changes in the cerite group nomenclature, https://doi.org/10.5194/ejm-35-397-2023, 2023

IMA group assignments

Other languages

German

Cerit-(CeCa)

Spanish

Cerita-(CeCa)

English

Cerite-(CeCa)

French

Cerite-(CeCa)

Russian

Церит-(CeCa)

Traditional Chinese

矽鈰石

Simplified Chinese

硅铈石

Alternative Name

Ccrite

German

Cererit

Cerit

Cerita

Cerite

Cécérit

Italian

Cécérita

Cécérita

Cécérite

Kieselcerit

Traditional Chinese

鈰矽石

Simplified Chinese

铈硅石

CNMNC symbol

Symbol

Crt-Ce

Locations with GPS information

IDs

GUSID (Global unique identifier short form) cORqZr2weE2pmqqLdSzTKw
GUID (Global unique identifier) 666AE470-B0BD-4D78-A99A-AA8B752CD32B
Database ID 647