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Riebeckite

Pictures (10 Images total)

Riebeckit
Views (File:
1165572391
): 4485
Riebeckit
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: Riebeckite
Image: 1165572391
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Riebeckit

Fundort Mont Saint-Hilaire, Quebéc, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-08
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Riebeckit
Views (File:
1267706528
): 5054
Riebeckit
FO: Mountain Pass Mine,San Bernadino Co.,California,USA; Bildbreite ca.: 12 mm
Copyright: rtbstone; Contribution: rtbstone
Collection: rtbstone
Location: USA/Kalifornien (California)/San Bernardino Co./Clark Mountain Range/Mountain Pass District/Ivanpah/Mountain Pass Mine
Mineral: Riebeckite
Image: 1267706528
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Riebeckit

FO: Mountain Pass Mine,San Bernadino Co.,California,USA; Bildbreite ca.: 12 mm

Collection: rtbstone
Copyright: rtbstone
Contribution: rtbstone 2010-03-04
Locality: Mountain Pass Mine / Ivanpah / Mountain Pass District / Clark Mountain Range / San Bernardino Co. / Kalifornien (California) / USA
Riebeckit
Views (File:
1393063306
): 1906
Riebeckit
Wittenoon, Western Australia, Australia. Stufengröße: 3,3 x 2,6 cm.
Copyright: skibbo; Contribution: skibbo
Location: Australien/Western Australia/Ashburton Shire/Wittenoom
Mineral: Riebeckite
Image: 1393063306
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Riebeckit

Wittenoon, Western Australia, Australia. Stufengröße: 3,3 x 2,6 cm.

Copyright: skibbo
Contribution: skibbo 2014-02-22
Locality: Wittenoom / Ashburton Shire / Western Australia / Australien
Riebeckit
Views (File:
1195933398
): 5292
Riebeckit
Fundort: Oranje, Südafrika
Copyright: Xyrx; Contribution: Xyrx
Location: Südafrika
Mineral: Riebeckite
Image: 1195933398
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Riebeckit

Fundort: Oranje, Südafrika

Copyright: Xyrx
Contribution: Xyrx 2007-11-24
Locality: Südafrika
Riebeckit
Views (File:
1088547226
): 5114
Riebeckit
ca. 5 cm; Fundort: Deutschland / Nürnberg
Copyright: Stefan; Contribution: Mineralienatlas
Location: Deutschland/Bayern/Mittelfranken, Bezirk/Nürnberg
Mineral: Riebeckite
Image: 1088547226
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Riebeckit

ca. 5 cm; Fundort: Deutschland / Nürnberg

Copyright: Stefan
Contribution: Mineralienatlas 2004-06-29
Locality: Nürnberg / Mittelfranken, Bezirk / Bayern / Deutschland
Hydroastrophyllit auf Riebeckit
Views (File:
1243693611
): 928
Hydroastrophyllit auf Riebeckit
Bildbreite: 15 mm; Fundort: West-Keivy, Westliches Keivy-Massiv, Kola-Halbinsel, Murmansk, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Keivy-Massiv/Western Keivy Massif
Mineral: Hydroastrophyllite, Riebeckite
Image: 1243693611
License: Usage for Mineralienatlas project only
Hydroastrophyllit auf Riebeckit

Bildbreite: 15 mm; Fundort: West-Keivy, Westliches Keivy-Massiv, Kola-Halbinsel, Murmansk, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-30
Locality: Western Keivy Massif / Keivy-Massiv / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color blau, schwarz, dunkelgrün
Streak color grünlich braun
Hardness (Mohs) 5
Solubility +++ HF, - andere Säuren
Crystal System monoklin, C2/m

Chemism

Chemical formula

Na2(Fe2+,Mg)3Fe23+Si8O22(OH)2

Chemical composition

Eisen, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 912.2368894 u; Number of atoms in the formula: 41

Info

Empirical formula:

Na2(Fe0.75Mg0.25)3Fe2Si8O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.22

2

4.88

1.0079470

2.0158940

Oxygen

O

42.09

24

58.54

15.9994300

383.9863200

Sodium

Na

5.04

2

4.88

22.9897702

45.9795404

Magnesium

Mg

2.00

0.75

1.83

24.3050600

18.2287950

Silicon

Si

24.63

8

19.51

28.0855300

224.6842400

Iron

Fe

26.02

4.25

10.37

55.8452000

237.3421000

Analysis wt%

SiO2 : 52.41, TiO2 : 0.45, Al2O3 : 0.61, Fe2O3 : 14.37, FeO : 14.82, MnO : 1.46, MgO : 5.07, CaO : 1.33, Na2O : 4.94, K2O : 2.10, H2O : 2.12 (Ref: J.Fac.Sci.Tokyo Univ.56)

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.08-050

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

Classification by Hölzel

9.DJ.220

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

Dana 8th edition

66.01.03c.05

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

Neudefinition von der CNMNC anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium Amphiboles  ⇒ Riebeckite (Rbk) amphiboles

Optical Properties

Color

blau, schwarz, dunkelgrün

Streak color

grünlich braun

Diaphaneity (Transparency)

durchscheinend bis teilweise durchscheinend bis opak

max. Birefringence

0.021

Birefringence chart\! Riebeckite title=Birefringence chart Riebeckite

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

1.663

RI value β

1.668

RI value γ / ε

1.684

Ri mean

1.672

2V angle

Biaxial (+) 65°!

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.78

Cell parameters b (Å)

18.08

Cell parameters c (Å)

5.34

Cell parameters a/b or c/a

0.541

Cell parameters c/b

0.295

Cell parameters α

90°

Cell parameters β

103.50

Cell parameters γ

90°

Z

2

Volume (ų)

918.142

X-Ray Powder Diffraction

8.40(100),
4.51(20),
3.27(10),
3.12(50),
2.801(20),
2.726(40),
2.602(10),
2.176(20)

XRD chart Riebeckite

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

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.4

3.3 ( ρ calc. Mineralienatlas )

Instability

+++ HF, - andere Säuren

(Co-)Type locality

(Co-)Type locality

Jemen/Adan Governement/Socotra Insel

Preface

Author (Name, Year)

Sauer, 1888

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: H350: Kann Krebs erzeugen., H372: Schädigt die Organe bei längerer oder wiederholter Exposition.

References

Canadian Mineralogist 41 (2003), 1355

IMA group assignments



 
 
 
 
 
 


 
 
 
 
 
☐Na2(Fe2+3Fe3+2)Si8O22F2
 
 

 
 
 
 
 
Na2(Mg,Fe2+)3Fe23+Si8O22(OH)2
monoklin
C2/m

 
 
 
 
 
Na2(Fe2+,Mg)3Fe23+Si8O22(OH)2
monoklin
C2/m

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Actuality: 25. Mar 2024 - 15:04:19

Varieties

Crocidolite

faserige, asbestartige Varietät von Riebeckit

Other languages

German

Riebeckit

Spanish

Riebeckita

French

Riebeckite

English

Riebeckite

Russian

Рибекит

Traditional Chinese

鈉閃石

Simplified Chinese

钠闪石

Japanese

リーベック閃石

Alternative Name

German

Abriachanit

Spanish

Abriachanita

English

Abriachanite

German

Blaueisenstein

Blue Asbestos

Blue Ironstone

Cape Blue

English

Mangancrocidolite

German

Orthoriebeckit

Spanish

Orthoriebeckita

English

Orthoriebeckite

German

Osanit

Spanish

Osanita

Osanite

German

Osannit

Spanish

Osannita

English

Osannite

Simplified Chinese

蓝石棉

CNMNC symbol

Symbol

Rbk

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: 25. Mar 2024 - 15:04:19

Locations with GPS information

IDs

GUSID (Global unique identifier short form) fxQ2y5wmmk2mAQpOWkiSQg
GUID (Global unique identifier) CB36147F-269C-4D9A-A601-0A4E5A489242
Database ID 3275