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Aegirine

Pictures (185 Images total)

Aegirine
Views (File:
1482581220
): 372
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
Aegirin-Sonnen in Charoit
Views (File:
1239612429
): 9016
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/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 / Sacha (Sakha, Jakutien, Якутия), Republik / Ferner Osten, Föderationskreis / Russland
Aegirine
Views (File:
1478114522
): 4642
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
): 1872
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
Ägirin
Views (File:
1541922653
): 551
Ägirin
Poudrette quarry, Mont Saint-Hilaire, Kanada; 32 x 18 x 14 mm;
Copyright: Mineralien-Reicht; Contribution: Mineralien-Reicht
Collection: Mineralien-Reicht
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Aegirine
Image: 1541922653
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Ägirin

Poudrette quarry, Mont Saint-Hilaire, Kanada; 32 x 18 x 14 mm;
Collection: Mineralien-Reicht
Copyright: Mineralien-Reicht
Contribution: Mineralien-Reicht 2018-11-11
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Aegirin auf Quarz
Views (File:
1633079553
): 147
Aegirin auf Quarz
Diese Strufe mit schönen Aegirinkristallen auf einem Quarzkristall stammt vom Mount Malosa bei Zomba in Malawi. Größe etwa 32 mm.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: SyS-Aegi-2-1-3
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Aegirine, Quartz
Image: 1633079553
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Aegirin auf Quarz (SNr: SyS-Aegi-2-1-3)

Diese Strufe mit schönen Aegirinkristallen auf einem Quarzkristall stammt vom Mount Malosa bei Zomba in Malawi. Größe etwa 32 mm.
Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2021-10-01
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

Volumne (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

(Co-)Type locality

(Co-)Type locality

Norwegen/Vestfold og Telemark, Provinz/Larvik/Langesundsfjord/Laven (Skadön)

Norwegen/Viken, Provinz/Øvre Eiker/Rundemyr

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

 
Pyroxene group
 
 
 

 
 
Clinopyroxene group
 
 
 

 
 
 
Aegirine
NaFe3+Si2O6
monoklin
C2/c

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

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

 
 
 
Clinoenstatite
Mg2Si2O6
monoklin
P21/c

 
 
 
Clinoferrosilite
Fe2+2Si2O6
monoklin
P21/c

 
 
 
Colomeraite
NaTi3+Si2O6
monoklin
C2/c

 
 
 
Diopside
CaMgSi2O6
monoklin
C2/c

 
 
 
Esseneite
CaFe3+AlSiO6
monoklin
C2/c

 
 
 
Grossmanite
CaTi3+AlSiO6
monoklin
C2/c

 
 
 
Hedenbergite
CaFe2+Si2O6
monoklin
C2/c

 
 
 
Jadeite
Na(Al,Fe3+)Si2O6
monoklin
C2/c

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

 
 
 
Johannsenite
CaMnSi2O6
monoklin
C2/c

 
 
 
Kanoite
MnMgSi2O6
monoklin
P21/c

 
 
 
Kosmochlor
NaCr3+Si2O6
monoklin
C2/c

 
 
 
Kushiroite
CaAl2SiO6
monoklin
C2/c

 
 
 
Namansilite
NaMn3+[Si2O6]
monoklin
C2/c

 
 
 
Natalyite
Na(V3+,Cr3+)Si2O6
monoklin
C2/c

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

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

 
 
 
Pigeonite
(Mg,Fe,Ca)2Si2O6
monoklin
P21/c

 
 
 
Ryabchikovite
CuMgSi2O6
monoklin
P21/c

 
 
 
Spodumene
LiAlSi2O6
monoklin
C2/c

 
 
 
Tissintite
(Ca,Na,☐)AlSi2O6
monoklin
C2/c

Refresh list

Actuality: 04. Jun 2023 - 03:49:32

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

ｴｼﾞﾘﾝ

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

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