https://www.mineralbox.biz
https://www.edelsteine-neuburg.de
https://www.mineraliengrosshandel.com
https://www.mineral-bosse.de
'._('einklappen').'
 

Arfvedsonite (Arfvedsonit)

Pictures (55 Images total)

Arfvedsonit
Views (File:
1165413330
): 4649, Rating: 8.71
Arfvedsonit
Fundort Mont Saint-Hilaire, Quebéc, Kanada
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Arfvedsonite
Image: 1165413330
Rating: 8.71 (votes: 7)
License: Usage for Mineralienatlas project only
Arfvedsonit

Fundort Mont Saint-Hilaire, Quebéc, Kanada
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-06
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Arfvedsonit
Views (File:
1275414817
): 4817, Rating: 8.67
Arfvedsonit
Arfvedsonit auf Orthoklas. Größe: 7,4 x 4,7 x 3,8 cm, Fundort: Mt. Malosa, Zomba District, Malawi
Copyright: Dan Weinrich; Contribution: thdun5
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Arfvedsonite
Image: 1275414817
Rating: 8.67 (votes: 6)
License: Usage for Mineralienatlas project only
Arfvedsonit

Arfvedsonit auf Orthoklas. Größe: 7,4 x 4,7 x 3,8 cm, Fundort: Mt. Malosa, Zomba District, Malawi
Copyright: Dan Weinrich
Contribution: thdun5 2010-06-01
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Arfvedsonit
Views (File:
1343504498
): 5257, Rating: 9.2
Arfvedsonit
Größe: 51x32 mm; Fundort: Mount Malosa, Zomba-Distrikt, Malawi
Copyright: Jewels-Fine-Minerals; Contribution: slugslayer
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Arfvedsonite
Image: 1343504498
Rating: 9.2 (votes: 5)
License: Usage for Mineralienatlas project only
Arfvedsonit

Größe: 51x32 mm; Fundort: Mount Malosa, Zomba-Distrikt, Malawi
Copyright: Jewels-Fine-Minerals
Contribution: slugslayer 2012-07-28
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Arfvedsonit
Views (File:
1389559701
): 2405
Arfvedsonit
Prismatische schwarze Kristalle mit Quarz, BB = 4,2 mm, Fundort: Washington Pass, Okanogan Co., Washington, USA.
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A007238, Donator: eschuhbauer
Location: USA/Washington/Okanogan Co./Washington Pass
Mineral: Arfvedsonite
Image: 1389559701
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Arfvedsonit (SNr: A007238)

Prismatische schwarze Kristalle mit Quarz, BB = 4,2 mm, Fundort: Washington Pass, Okanogan Co., Washington, USA.
Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2014-01-12
Locality: Washington Pass / Okanogan Co. / Washington / USA
Prismatischer schwarzer Arfvedsonit
Views (File:
1557301310
): 295
Prismatischer schwarzer Arfvedsonit
Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire, BB = 7,6 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A004932, Donator: Heinz Hublitz
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire
Mineral: Arfvedsonite
Image: 1557301310
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Prismatischer schwarzer Arfvedsonit (SNr: A004932)

Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire, BB = 7,6 mm
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2019-05-08
Locality: Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Arfvedsonit, Orthoklas
Views (File:
1349555912
): 10355
Arfvedsonit, Orthoklas
Größe: 95x95x45 mm; Fundort: Mount Malosa, Zomba-Distrikt, Malawi
Copyright: Watzl Minerals; Contribution: slugslayer
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Arfvedsonite, Orthoclase
Image: 1349555912
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Arfvedsonit, Orthoklas

Größe: 95x95x45 mm; Fundort: Mount Malosa, Zomba-Distrikt, Malawi
Copyright: Watzl Minerals
Contribution: slugslayer 2012-10-06
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi

You find additional specimen at the Geolitho Museum

Collectors Summary

Color schwarz, graulich grün, bläulich grau
Streak color bläulich grau
Hardness (Mohs) 5.5
Solubility +++ HF
Crystal System monoklin, C2/m

Chemism

Chemical formula

Na3(Fe2+,Mg)4Fe3+Si8O22(OH)2

Chemical composition

Eisen, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 927.3416246 u; Number of atoms in the formula: 42

Info

Empirical formula:

Na3(Fe0.75Mg0.25)4FeSi8O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.22

2

4.76

1.0079470

2.0158940
Oxygen

O

41.41

24

57.14

15.9994300

383.9863200
Sodium

Na

7.44

3

7.14

22.9897702

68.9693106
Magnesium

Mg

2.62

1

2.38

24.3050600

24.3050600
Silicon

Si

24.23

8

19.05

28.0855300

224.6842400
Iron

Fe

24.09

4

9.52

55.8452000

223.3808000

Analysis wt%

SiO2 : 50.16, Al2O3 : 1.10, TiO2 : 1.64, Fe2O3 : 9.12, FeO : 20.60, MnO : 2.27, MgO : 0.92, CaO : 1.32, Na2O : 3.61, K2O : 3.61, H2O : 1.68 (Ref: Canadian Mineralogist 65)

Strunz 9th edition incl. updates

9.DE.25

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
25:Amphibole: Alkali

Lapis Classification

VIII/F.08-155

VIII: SILIKATE
F: Ketten- und Bandsilikate
8: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Alkali-Amphibole

Classification by Hölzel

9.DJ.420

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
J: Amphiboles; Sodic Amphiboles
4: Arfvedsonite-Group

Dana 8th edition

66.01.03c.09

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
03c: Group 4, the sodic amphiboles

IMA status

anerkannt, bekannt vor IMA 1959, vererbt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium Amphiboles  ⇒ Arfvedsonite (Arf) amphiboles

Optical Properties

Color

schwarz, graulich grün, bläulich grau

Streak color

bläulich grau

Diaphaneity (Transparency)

durchscheinend bis opak

max. Birefringence

0.013
Birefringence chart\! Arfvedsonite title=Birefringence chart Arfvedsonite

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

1.685

RI value β

1.695

RI value γ / ε

1.698

Ri mean

1.693

2V angle

Biaxial (-) 69°

Optical Data Luminescence

Color LW-UV (365nm)

  

orange

LW-UV Intensity

stark

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.88

Cell parameters b (Å)

18.21

Cell parameters c (Å)

5.31

Cell parameters a/b or c/a

0.543

Cell parameters c/b

0.292

Cell parameters α

90°

Cell parameters β

103.10

Cell parameters γ

90°

Z

2

Volume (ų)

930.486

X-Ray Powder Diffraction

8.57(100),
4.51(10),
3.412(10),
3.299(10),
3.179(40),
2.843(20),
2.718(10),
2.421(10)
XRD chart Arfvedsonite

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)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.44 - 3.45 / Durchschnittlich = 3.44

3.31 ( ρ calc. Mineralienatlas )

Instability

+++ HF

(Co-)Type locality

(Co-)Type locality

Grönland/Kommune Kujalleq/Narsaq/Ilimaussaq-Komplex

Preface

Occurrences

in den meisten Alkali-Pegmatiten

Author (Name, Year)

Brooke, 1823

References

Canadian Mineralogist 41 (2003), 1355

IMA group assignments

 
Amphibole supergroup
 
 
 

 
 
(OH,F,Cl)-dominant amphiboles
 
 
 

 
 
 
Sodium Amphiboles
 
 
 

 
 
 
 
Arfvedsonite (Arf) amphiboles
 
 
 

 
 
 
 
 
Arfvedsonite
Na3(Fe2+,Mg)4Fe3+Si8O22(OH)2
monoklin
C2/m

 
 
 
 
 
Magnesio-arfvedsonite
Na3(Mg,Fe2+)4Fe3+Si8O22(OH)2
monoklin
C2/m

 
 
 
 
 
Magnesio-fluoro-arfvedsonite
(Na,K)Na2(Mg,Fe2+)4Fe3+[(F,OH)|Si4O11]2
monoklin
C2/m

 
 
 
 
 
Potassic-arfvedsonite
KNa2Fe2+4Fe3+Si8O22(OH)2
monoklin
C2/m

 
 
 
 
 
Potassic-magnesio-arfvedsonite
[K][Na2][Mg4Fe3+][(OH)2|Si8O22]
monoklin
C2/m

 
 
 
 
 
Potassic-magnesio-fluoro-arfvedsonite
KNa2(Mg,Fe2+)5[(F,OH)|Si4O11]2
monoklin
C/2m

Refresh list

Actuality: 28. Nov 2023 - 12:30:34

Varieties

Juddite

Mangan-haltige Varietät von Arfvedsonit, mit einem Anteil von bis zu 7,7% (w/w) von MnO

Other languages

German

Arfvedsonit

Spanish

Arfvedsonita

French

Arfvedsonite

English

Arfvedsonite

Russian

Арфведсонит

Simplified Chinese

亚铁钠闪石

Traditional Chinese

亞鐵鈉閃石

Simplified Chinese

钠铁闪石

Japanese

ｱﾙﾍﾟｿﾞﾝ閃石

Alternative Name

Arfvedsonite (of Brooke)

English

Arfvedsonite (of Brooke)

Arfwedsonit

Arfwedsonita

Arfwedsonite

English

Manganuralite

Soda-Hornblende

English

Sodahornblende

Traditional Chinese

鈉角閃石

Traditional Chinese

鈉鈣閃石

Simplified Chinese

钠钙闪石

CNMNC symbol

Symbol

Arf

Rock part of

 
Rocks

 
 
igneous rocks and sediments

 
 
 
crystalline igneous rocks

 
 
 
 
normal crystalline rocks

 
 
 
 
 
coarse-grained crystalline rocks

 
 
 
 
 
 
granitic-rock

 
 
 
 
 
 
 
alkali-feldspar-granite

 
 
 
 
 
 
 
 
peralkaline alkali-feldspar-granite

 
 
 
 
 
 
 
 
 
ekerite  

Refresh list | View legend

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: 28. Nov 2023 - 12:30:34

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 2i9CDfRo40yZm9MMZIMyyQ
GUID (Global unique identifier) 0D422FDA-68F4-4CE3-999B-D30C648332C9
Database ID 174