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Aegirine (Aegirin)

Pictures (201 Images total)

Aegirine
Views (File:
1482581220
): 483
Aegirine
Aegirine crystals with orthoclase, from Mount Malosa, Zomba District, Malawi; Size 82 х 42 х 16 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Aegirine
Image: 1482581220
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Aegirine

Aegirine crystals with orthoclase, from Mount Malosa, Zomba District, Malawi; Size 82 х 42 х 16 mm

Copyright: pegmatite
Contribution: pegmatite 2016-12-24
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Aegirine
Views (File:
1710677987
): 34
Aegirine
Aggregate of Aegirine crystals, from Mount Malosa, Zomba District, Malawi; Dimensions: 80 mm x 39 mm x 22 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Aegirine
Image: 1710677987
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Aegirine

Aggregate of Aegirine crystals, from Mount Malosa, Zomba District, Malawi; Dimensions: 80 mm x 39 mm x 22 mm

Copyright: pegmatite
Contribution: pegmatite 2024-03-17
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Aegirine with Orthoclase
Views (File:
1711864973
): 45
Aegirine with Orthoclase
Aegirine with Orthoclase, from Mount Malosa, Zomba District, Malawi; Dimensions: 65 mm x 40 mm x 33 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Aegirine
Image: 1711864973
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Aegirine with Orthoclase

Aegirine with Orthoclase, from Mount Malosa, Zomba District, Malawi; Dimensions: 65 mm x 40 mm x 33 mm

Copyright: pegmatite
Contribution: pegmatite 2024-03-31
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Aegirin-Sonnen in Charoit
Views (File:
1239612429
): 9132
Aegirin-Sonnen in Charoit
mit weißem Barytocalcit; Bildbreite: 40 mm; Fundort: Vostochnyi, Murun-Massiv, Aldan-Hochland, Jakutien, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Ferner Osten, Föderationskreis/Sacha (Sakha, Jakutien, Якутия), Republik/Aldan, Ulus (Rajon)/Murun-Massiv (Murunskyi Massif)/Vostochnyi-Gebiet
Mineral: Aegirine
Image: 1239612429
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Aegirin-Sonnen in Charoit

mit weißem Barytocalcit; Bildbreite: 40 mm; Fundort: Vostochnyi, Murun-Massiv, Aldan-Hochland, Jakutien, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-04-13
Locality: Vostochnyi-Gebiet / Murun-Massiv (Murunskyi Massif) / Aldan, Ulus (Rajon) / Sacha (Sakha, Jakutien, Якутия), Republik / Ferner Osten, Föderationskreis / Russland
Aegirine
Views (File:
1478114522
): 5220
Aegirine
Perfect quality and aesthetic specimen, where aegirine crystals, associated with DT smoky quartz, from Mount Malosa, Zomba District, Malawi; Size 70 х 67 х 34 mm
Copyright: pegmatite; Contribution: pegmatite
Collection: pegmatite
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Aegirine
Image: 1478114522
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Aegirine

Perfect quality and aesthetic specimen, where aegirine crystals, associated with DT smoky quartz, from Mount Malosa, Zomba District, Malawi; Size 70 х 67 х 34 mm

Collection: pegmatite
Copyright: pegmatite
Contribution: pegmatite 2016-11-02
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Aegirine
Views (File:
1481782892
): 1979
Aegirine
Aegirine crystals with orthoclase, from Mount Malosa, Zomba District, Malawi; Size 52 х 37 х 26 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Aegirine
Image: 1481782892
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Aegirine

Aegirine crystals with orthoclase, from Mount Malosa, Zomba District, Malawi; Size 52 х 37 х 26 mm

Copyright: pegmatite
Contribution: pegmatite 2016-12-15
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi

You find additional specimen at the Geolitho Museum

Collectors Summary

Color grün, grünlich schwarz, rötlichbraun, schwarz
Streak color gelblich grau
Hardness (Mohs) 6
Cleavages gut nach {110}
Fracture uneben
Solubility ++ HF, + HCl, !Ultraschallbad
Crystal System monoklin, C2/c

Chemism

Chemical formula

NaFe3+Si2O6

Chemical composition

Eisen, Natrium, Silicium, Sauerstoff

Unit weight: 231.0026102 u; Number of atoms in the formula: 10

Info

Empirical formula:

NaFeSi2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

41.56

6

60.00

15.9994300

95.9965800

Sodium

Na

9.95

1

10.00

22.9897702

22.9897702

Silicon

Si

24.32

2

20.00

28.0855300

56.1710600

Iron

Fe

24.18

1

10.00

55.8452000

55.8452000

Analysis wt%

SiO2 : 52.10, TiO2 : 0.64, Fe2O3 : 33.10, FeO : 0.64, Na2O : 12.90 (Ref: Journal of Petrology 62)

Strunz 9th edition incl. updates

9.DA.25

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
A: Ketten- und Bandsilikate mit 2 periodischen Ketten SiO6; Pyroxen-Familie
25:Na Klinopyroxene; Jadeit-Gruppe

Lapis Classification

VIII/F.01-140

VIII: SILIKATE
F: Ketten- und Bandsilikate
1: Zweierketten [Si2O6] 4-; Pyroxen-Gruppe; Klinopyroxene

Classification by Hölzel

9.DD.200

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
D: Jadeite-Group

Dana 8th edition

65.01.03c.02

65: Inosilicate Minerals
01: Inosilicates Inosilicate Single-Width Unbranched Chains, W=1 with chains P=2
03c: C2/c clinopyroxenes (Na clinopyroxenes)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Pyroxene group  ⇒ Clinopyroxene group

Optical Properties

Color

grün, grünlich schwarz, rötlichbraun, schwarz

Streak color

gelblich grau

Diaphaneity (Transparency)

teilweise transparent bis durchscheinend bis opak

max. Birefringence

0.056

Birefringence chart\! Aegirine title=Birefringence chart Aegirine

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

1.767

RI value β

1.806

RI value γ / ε

1.823

Ri mean

1.799

2V angle

Biaxial (-) 60°

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

9.657

Cell parameters b (Å)

8.801

Cell parameters c (Å)

5.291

Cell parameters a/b or c/a

1.097

Cell parameters c/b

0.601

Cell parameters α

90°

Cell parameters β

107.40

Cell parameters γ

90°

Z

4

Volume (ų)

429.111

X-Ray Powder Diffraction

6.369(90),
4.416(80),
3.188(50),
2.983(70),
2.900(100),
2.470(60),
1.729(60),
1.397(60)

XRD chart Aegirine

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)

6

VHN (Hardness Vickers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.5 - 3.54 / Durchschnittlich = 3.52

3.575 ( ρ calc. Mineralienatlas )

Cleavages

gut nach {110}

Fracture

uneben

Instability

++ HF, + HCl, !Ultraschallbad

Preface

Occurrences

in magmatischen Gesteinen und in basischen Graniten

Name from

dem nordischen Meeresgott Ägire

Author (Name, Year)

Berzelius, 1835 / Esmark, 1835

Additional Information

s.a. > Mineralienportrait/Pyroxene

References

Canadian Mineralogist 36 (1998), 779

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde (1835), 184

American Mineralogist 93 (2008), 1829

IMA group assignments



 
 
 
NaFe3+Si2O6
monoklin
C2/c

 
 
 
(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6
monoklin
C2/c

 
 
 
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
monoklin
C2/c

 
 
 
Mg2Si2O6
monoklin
P21/c

 
 
 
Fe2+2Si2O6
monoklin
P21/c

 
 
 
NaTi3+Si2O6
monoklin
C2/c

 
 
 
CaMgSi2O6
monoklin
C2/c

 
 
 
CaFe3+AlSiO6
monoklin
C2/c

 
 
 
CaTi3+AlSiO6
monoklin
C2/c

 
 
 
CaFe2+Si2O6
monoklin
C2/c

 
 
 
Na(Al,Fe3+)Si2O6
monoklin
C2/c

 
 
 
(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
monoklin
C2/c

 
 
 
CaMnSi2O6
monoklin
C2/c

 
 
 
MnMgSi2O6
monoklin
P21/c

 
 
 
NaCr3+Si2O6
monoklin
C2/c

 
 
 
CaAl2SiO6
monoklin
C2/c

 
 
 
NaMn3+[Si2O6]
monoklin
C2/c

 
 
 
Na(V3+,Cr3+)Si2O6
monoklin
C2/c

 
 
 
(Ca,Na)(Mg,Fe2+,Fe3+,Al)Si2O6
monoklin
C2/c, P2/n

 
 
 
Ca(Zn,Mn2+,Fe2+,Mg)Si2O6
monoklin
C2/c

 
 
 
(Mg,Fe,Ca)2Si2O6
monoklin
P21/c

 
 
 
CuMgSi2O6
monoklin
P21/c

 
 
 
LiAlSi2O6
monoklin
C2/c

 
 
 
(Ca,Na,☐)AlSi2O6
monoklin
C2/c

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Actuality: 20. May 2024 - 09:13:11

Varieties

Titanian Aegirine

Ti4+-haltiger Aegirin

Other languages

Dutch

Aegirien

German

Aegirin

English

Aegirine

French

Aegirine

Spanish

Aerinita

Finnish

Akmiitti

Polish

Egiryn

Estonian

Ägiriin

Ukrainian

Егірин-авгіт

Russian

Шефферит

Russian

Эгирин

Hebrew

אגירין

Japanese

エジリン輝石

Simplified Chinese

霓石

Japanese

エジリン

Alternative Name

Achirit

Achmit

Achmite

Acmit

Acmita

Acmite

Acnit

Acnita

Acnite

Aegerine

Aegerit

Aegerita

Aegerite

Aegir

Aegirit

Aegirita

Aegirite

Aegyrina

Aegyrine

Aegyrit

Aegyrita

Aegyrite

Aemit

Aemita

Aemite

Agerit

Agerite

Agirine

Aigirin

Akmit

Akmite

Egirina

Jadeite-Aegirine

Natrongirin

Natronägirin

Soda-Aegirite

Ägirin

Norwegian (Bokmål)

Ægirin

Japanese

錐輝石

CNMNC symbol

Symbol

Aeg

Rock part of

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Hint

- Essential mineral - Important for the classification of the rock.
- Accessory or non-essential mineral - this minerals are common, sometimes major part of, but are not always present.

Actuality: 20. May 2024 - 09:13:11

Locations with GPS information

IDs

GUSID (Global unique identifier short form) _V-RectKgE-bWKsWtn6n5A
GUID (Global unique identifier) 79915FFD-4ACB-4F80-9B58-AB16B67EA7E4
Database ID 14