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Perrierite-(La)

Pictures (5 Images total)

Perrierit-(La) von Mna Pelada, Teneriffa
Views (File:
1597317787
): 287
Perrierit-(La) von Mna Pelada, Teneriffa
Alterierter Kristall mit Sekundärmineralisation in Syenit. Bildbreite 3 mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Mna. Pelada
Mineral: Perrierite-(La)
Image: 1597317787
License: Usage for Mineralienatlas project only
Perrierit-(La) von Mna Pelada, Teneriffa

Alterierter Kristall mit Sekundärmineralisation in Syenit. Bildbreite 3 mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2020-08-13
Locality: Mna. Pelada / Teneriffa / Kanarische Inseln / Spanien
Loparit-(Ce) von Mna Pelada, Teneriffa
Views (File:
1597318085
): 227
Loparit-(Ce) von Mna Pelada, Teneriffa
In Nephelin-Monzodiorit eingewachsene schwarze Kristalle mit alteriertem Perrierit-(La). Bildbreite 2,5 mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Mna. Pelada
Mineral: Loparite-(Ce), Perrierite-(La)
Rock: nepheline-monzodiorit
Image: 1597318085
License: Usage for Mineralienatlas project only
Loparit-(Ce) von Mna Pelada, Teneriffa

In Nephelin-Monzodiorit eingewachsene schwarze Kristalle mit alteriertem Perrierit-(La). Bildbreite 2,5 mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2020-08-13
Locality: Mna. Pelada / Teneriffa / Kanarische Inseln / Spanien
Perrierit-(La) von Puerto de Santiago, Teneriffa
Views (File:
1617890469
): 119
Perrierit-(La) von Puerto de Santiago, Teneriffa
Schwarze prismatische Kristalle in Trachyt. Bildbreite 2,5mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Puerto de Santiago
Mineral: Perrierite-(La)
Image: 1617890469
License: Usage for Mineralienatlas project only
Perrierit-(La) von Puerto de Santiago, Teneriffa

Schwarze prismatische Kristalle in Trachyt. Bildbreite 2,5mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2021-04-08
Locality: Puerto de Santiago / Teneriffa / Kanarische Inseln / Spanien
Multiphasenparagenese im extrem hydrothermal überprägten Basanit von Puerto de Santiago, Teneriffa
Views (File:
1618586770
): 261
Multiphasenparagenese im extrem hydrothermal überprägten Basanit von Puerto de Santiago, Teneriffa
Perrierit-(La), Hambergit (HAM) mit blockigem Tsepinit-K (TSE), Drillingsaggregat von Tridymit (TRD), Maghemit (MGH) und tafelígem Sazhinit-Ce (SHZ). Bildbreite 2mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Puerto de Santiago
Mineral: Hambergite, Maghemite, Perrierite-(La), Sazhinite-(Ce), Tridymite, Tsepinite-K
Image: 1618586770
License: Usage for Mineralienatlas project only
Multiphasenparagenese im extrem hydrothermal überprägten Basanit von Puerto de Santiago, Teneriffa

Perrierit-(La), Hambergit (HAM) mit blockigem Tsepinit-K (TSE), Drillingsaggregat von Tridymit (TRD), Maghemit (MGH) und tafelígem Sazhinit-Ce (SHZ). Bildbreite 2mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2021-04-16
Locality: Puerto de Santiago / Teneriffa / Kanarische Inseln / Spanien
Perrierit-(La) von Tajao, Teneriffa
Views (File:
1694520330
): 34
Perrierit-(La) von Tajao, Teneriffa
Schwarzrote Kristalle mit grünem Xenotim-(Y), Bildbreite 3 mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Tajao
Mineral: Perrierite-(La), Xenotime-(Y)
Rock: phonolite
Image: 1694520330
License: Usage for Mineralienatlas project only
Perrierit-(La) von Tajao, Teneriffa

Schwarzrote Kristalle mit grünem Xenotim-(Y), Bildbreite 3 mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2023-09-12
Locality: Tajao / Teneriffa / Kanarische Inseln / Spanien

Collectors Summary

Color schwarz, schwarzbraun
Streak color braun
Cleavages ausgeprägt {001}
Fracture muschelig
Crystal System monoklin, P21/a
Morphology Einzelkristalle bis 7mm

Chemism

Chemical formula

(La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4(Si2O7)2O8

Additional chem. information

Isostrukturell mit Perrierit-(Ce)

Chemical composition

Aluminium, Calcium, Cerium, Eisen, Lanthanum, Mangan, Silicium, Titan, Sauerstoff

Unit weight: 1230.179815755 u; Number of atoms in the formula: 35

Info

Empirical formula:

(La0.6Ce0.3Ca0.1)4(Fe0.75Mn0.25)(Ti0.6Fe0.3Al0.1)4(Si2O7)2O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

28.61

22

62.86

15.9994300

351.9874600

Aluminium

Al

0.88

0.4

1.14

26.9815382

10.7926153

Silicon

Si

9.13

4

11.43

28.0855300

112.3421200

Calcium

Ca

1.30

0.4

1.14

40.0784000

16.0313600

Titanium

Ti

9.34

2.4

6.86

47.8671000

114.8810400

Manganese

Mn

1.12

0.25

0.71

54.9380499

13.7345125

Iron

Fe

8.85

1.95

5.57

55.8452000

108.8981400

Lanthanum

La

27.10

2.4

6.86

138.9055200

333.3732480

Cerium

Ce

13.67

1.2

3.43

140.1161000

168.1393200

Strunz 9th edition incl. updates

9.BE.70

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
E: Si2O7 Gruppen mit zusätzlichen Anionen; Kationen in oktahedraler [6] und größerer Koordination
70:Chevkinit-Gruppe

Lapis Classification

VIII/C.17-028

VIII: SILIKATE
C: Gruppensilikate
17: Gruppensilikate [Si2O7] 6-, mit tetraederfremden Anionen (O,OH,F); Chevkinit-Reihe

Classification by Hölzel

9.BK.150

9: SILICATES
B: Sorosilicates
K: Perrierite-Group

IMA status

anerkannt - IMA Commission on New Minerals, Nomenclature and Classification (CNMNC), März - April 2011 (Newsletter 9)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Chevkinite group  ⇒ Perrierite subgroup

Optical Properties

Color

schwarz, schwarzbraun

Streak color

braun

max. Birefringence

0.100

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

1.94>

RI value β

2.020

RI value γ / ε

1.040

Ri mean

2.000

2V angle

Biaxial (-) 51°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell parameters a (Å)

13.70

Cell parameters b (Å)

5.66

Cell parameters c (Å)

11.83

Cell parameters a/b or c/a

2.42

Cell parameters c/b

2.090

Cell parameters α

90°

Cell parameters β

113.78

Cell parameters γ

90°

Z

2

Volume (ų)

839.442

Crystal structure

Struktur bestimmt

X-Ray Powder Diffraction

5.19(40), 3.53(40), 2.96(100), 2.80(50), 2.14(50), 1.947(50), 1.657(40)

XRD chart Perrierite-(La)

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphology

Einzelkristalle bis 7mm

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

VHN (Hardness Vickers)

874 (200g)

Density (g/cm³)

4.67 (gemessen)

4.867 ( ρ calc. Mineralienatlas )

Cleavages

ausgeprägt {001}

Fracture

muschelig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mendig, Verbandsgemeinde

Type material

Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia

Collection number of type material

4059/1

Preface

Name from

Carlo Perrier
Carlo Perrier
(1886 - 1948), italienischer Mineraloge; Namensgeber für das Mineral Perrierit
Copyright: Unbekannter Autor; Contribution: Stefan
Image: 1374831736
License: Usage for Mineralienatlas project only

Carlo Perrier (1886 - 1948), italienischer Mineraloge

Author (Name, Year)

Chukanov, N.V., Blass, G., Pekov, I.V., Belakovsky, D.I., Van, K.V., Rastsvetaeva, R.K. and Aksenov, S.M. (2011)

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: Ionizing radiation: Radioaktiv

References

Calvo, C. & Faggiani, R. - A re-investigation of the crystal structures of chevkinite and perrierite. American Mineralogist (1974) 59, 1277-1285.

Segalstad, T.V. & Larsen, A.O. - Chevkinite and perrierite from the Oslo region, Norway. American Mineralogist (1978) 63, 499-505.

Zapiski Rossiyskogo Mineralogicheskogo Obshchestva 140(6) (2011), 34

R. Macdonald, B. Bagiński, P. M. Kartashov, D. Zozulya and P. Dzierżanowski - Chevkinite-group minerals from Russia and Mongolia: new compositional data from metasomatites and ore deposits - Mineralogical Magazine, June 2012, Vol. 76(3), pp. 535–549 http://rruff.info/uploads/MM76_535.pdf

N. V. Chukanov, G. Blass, I. V. Pekov, D. I. Belakovskiy, K. V. Van, R. K. Rastsvetaeva, S. M. Aksenov: Perrierite-(La), (La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4(Si2O7)2O8, a new mineral species from the Eifel volcanic district, Germany. Geology of Ore Deposits Vol. 54, Issue 8 (2012) S. 647–655.

IMA group assignments



 
 
 
(Sr,REE)4Zr(Ti,Fe)4Si4O22
monoklin
C2/m

 
 
 
Sr4Ti5O8(Si2O7)2
monoklin
P21/a

 
 
 
Ce4MgFe3+2Ti2O8(Si2O7)2
monoklin
P21/a

 
 
 
(La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4(Si2O7)2O8
monoklin
P21/a

 
 
 
(Sr,Ce)4Zr(Ti4+,Al)4[O4|(Si2O7)2]
monoklin
P21/a

 
 
 
(Sr,La,Ce,Ca)4(Fe2+,Fe3+)(Ti3+,Zr)3Si4O12O10
monoklin
P21/a

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Actuality: 27. Mar 2024 - 16:29:58

Other languages

German

Perrierit-(La)

Spanish

Perrierita-(La)

English

Perrierite-(La)

Russian

Перрьерит-(La)

Japanese

ランタンペリエル石

CNMNC (IMA)-Number

IMA 2010-089

CNMNC symbol

Symbol

Prr-La

Locations with GPS information

IDs

GUSID (Global unique identifier short form) D46dp5MiVE-5vPDp8rZyug
GUID (Global unique identifier) A79D8E0F-2293-4F54-B9BC-F0E9F2B672BA
Database ID 5013