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Ferriandrosite-(Ce)

Collectors Summary

Color dunkelbraun
Streak color hellbraun
Lustre Glasglanz
Hardness (Mohs) 6½ - 7
Crystal System monoklin, P21/m

Chemism

Chemical formula

MnCe(Fe3+AlMn2+)(Si2O7)(SiO4)O(OH)

IMA status

anerkannt - CNMNC Newsletter 74, Juni- Juli 2023

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Epidote supergroup  ⇒ Allanite group

Optical Properties

Color

dunkelbraun

Streak color

hellbraun

Lustre

Glasglanz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

11

Space Group

P21/m

Cell parameters a (Å)

8.8483(4)

Cell parameters b (Å)

5.7307(3)

Cell parameters c (Å)

10.0314(5)

Cell parameters a/b or c/a

1.544

Cell parameters c/b

1.75

Cell parameters α

90°

Cell parameters β

113.366(1)°

Cell parameters γ

90°

Z

2

Volume (ų)

466.946

Crystal structure

Epidot-Supergruppe; Struktur ermittelt

X-Ray Powder Diffraction

7.8(m), 3.511(ms), 2.895(vs), 2.704(m), 2.615(s), 2.177(m), 2.112(mw), 1.657(mw)

Physical Properties

Hardness (Mohs)

6½ - 7

Density (g/cm³)

4.321 berechnet

4.453 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Slowakei/Košický kraj/Roznava, Okres/Betler (Betliar)/Turecká, Berg/Július Magnesiumerz-Vorkommen

Type material

Das Typmaterial ist in den Sammlungen der Abteilung für Mineralogie und Petrologie des Nationalmuseums, Cirkusová 1740, 19300 Prag 9, Tschechische Republik, hinterlegt, Katalognummer P1P 2

Paragenesis of type material

winzige Einschlüsse in Pyroxmangit; daneben Spessartin, Rhodochrosit, Quarz, Baryt und Pyrosmalit-(Mn)

Preface

Author (Name, Year)

Martin Števko, Pavol Myšľan, Cristian Biagioni, Daniela Mauro und Tomáš Mikuš (2023)

References

Števko, M., Myšľan, P., Biagioni, C., Mauro, D. and Mikuš, T. (2023) Ferriandrosite-(Ce), IMA 2023-022. CNMNC Newsletter 74; Mineralogical Magazine, 87, https://doi.org/10.1180/mgm.2023.54

Martin Števko; Pavol Myšľan; Cristian Biagioni; Daniela Mauro; Tomáš Mikuš: Ferriandrosite-(Ce), a new member of the epidote supergroup from Betliar, Slovakia. Mineralogical Magazine Vol. 87, Nr. 6 (2023) S. 887-895. doi: 10.1180/mgm.2023.62

IMA group assignments

Other languages

German

Ferriandrosit-(Ce)

English

Ferriandrosite-(Ce)

CNMNC (IMA)-Number

IMA 2023-022

CNMNC symbol

Symbol

Fea-Ce

Locations with GPS information

IDs

GUSID (Global unique identifier short form) KCqIv2iFoUmaIAfnAjDXNQ
GUID (Global unique identifier) BF882A28-8568-49A1-9A20-07E70230D735
Database ID 9364