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Manganiandrosite-(Ce)

Additional Functions

Collectors Summary

Color dunkelbraun
Lustre Glasglanz, Diamantglanz
Cleavages keine
Crystal System monoklin, P21/m

Chemism

Chemical formula

{CeMn2+}{Mn3+Mn2+Al}[O|OH|SiO4|Si2O7]

Chemical composition

Aluminium, Cerium, Mangan, Silicium, Sauerstoff, Wasserstoff

Unit weight: 625.1689149 u; Number of atoms in the formula: 22

Info

Empirical formula:

{CeMn}{MnMnAl}[OOHSiO4Si2O7]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.16

1

4.55

1.0079470

1.0079470

Oxygen

O

33.27

13

59.09

15.9994300

207.9925900

Aluminium

Al

4.32

1

4.55

26.9815382

26.9815382

Silicon

Si

13.48

3

13.64

28.0855300

84.2565900

Manganese

Mn

26.36

3

13.64

54.9380499

164.8141497

Cerium

Ce

22.41

1

4.55

140.1161000

140.1161000

Strunz 9th edition incl. updates

9.BG.05

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
G: Gruppen(Soro)-Silikate mit gemischten SiO4 und Si2O7 Gruppen; Kationen in oktahedraler [6] und größerer Koordination
05:Epidot-Gruppe

Lapis Classification

VIII/C.23-074

VIII: SILIKATE
C: Gruppensilikate
23: Mischstrukturen mit [SiO4] 4--Inseln und [Si2O7] 6--Gruppen; Epidot-Gruppe

Classification by Hölzel

9.BN.263

9: SILICATES
B: Sorosilicates
N: With SiO4 + Si2O7
2: Allanite-Group

IMA status

Anerkannt von der IMA/CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

dunkelbraun

Lustre

Glasglanz, Diamantglanz

RI value α / ω / n

1.800

Ri mean

1.800

2V angle

Biaxial (+) 81°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

11

Space Group

P21/m

Cell parameters a (Å)

8.901

Cell parameters b (Å)

5.738

Cell parameters c (Å)

10.068

Cell parameters a/b or c/a

1.551

Cell parameters c/b

1.755

Cell parameters α

90°

Cell parameters β

113.43

Cell parameters γ

90°

Z

2

Volumne (ų)

471.814

X-Ray Powder Diffraction

3.51(40),
2.896(100),
2.713(30),
2.707(40),
2.622(60),
2.591(30),
2.185(30)

XRD chart Manganiandrosite-(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

Density (g/cm³)

4.26 (berechnet)

4.4 ( ρ calc. Mineralienatlas )

Cleavages

keine

Tenacity

spröde

Preface

Author (Name, Year)

Cenki-Tok & Ragu & Armbruster & Chopin & Medenbach, 2006

References

European Journal of Mineralogy 18 (2006), 569

Other languages

German

Manganiandrosit-(Ce)

English

Manganiandrosite-(Ce)

Traditional Chinese

鈰多錳綠泥石

Simplified Chinese

铈多锰绿泥石

CNMNC (IMA)-Number

IMA 2002-049

CNMNC symbol

Symbol

Mna-Ce