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Magnesioriebeckite (Rhodusite)

Pictures (8 Images total)

Magnesioriebeckit
Views (File:
1258039732
): 3268
Magnesioriebeckit
Größe: 80 x 55 x 18 mm, Fundort: Alto Chapara, Cochabamba, Bolivien.
Copyright: Joe Freilich; Contribution: thdun5
Location: Bolivien/Cochabamba, Departamento/Chapare, Provinz/Alto Chapare Distrikt
Mineral: Magnesioriebeckite
Image: 1258039732
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Magnesioriebeckit

Größe: 80 x 55 x 18 mm, Fundort: Alto Chapara, Cochabamba, Bolivien.

Copyright: Joe Freilich
Contribution: thdun5 2009-11-12
Locality: Alto Chapare Distrikt / Chapare, Provinz / Cochabamba, Departamento / Bolivien
Magnesioriebeckit
Views (File:
1179062411
): 2959
Magnesioriebeckit
Magnesioriebeckit; Fundort: Vrissaki, Lavrion
Copyright: Fritz Schreiber; Contribution: Erik
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Velatouri/Siri Minen/Cap Vrissaki
Mineral: Magnesioriebeckite
Image: 1179062411
Rating: 6 (votes: 3)
License: Usage for Mineralienatlas project only
Magnesioriebeckit

Magnesioriebeckit; Fundort: Vrissaki, Lavrion

Copyright: Fritz Schreiber
Contribution: Erik 2007-05-13
Locality: Cap Vrissaki / Siri Minen / Velatouri / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Magnesioriebeckit
Views (File:
1380708751
): 1569
Magnesioriebeckit
Nadelige blaugraue Kristalle, BB = 3,8 mm, Fundort: Valley Ford, Sonoma County, Kalifornien, USA.
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A002650, Donator: Klaus Fleck
Location: USA/Kalifornien (California)/Sonoma Co./Valley Ford
Mineral: Magnesioriebeckite
Image: 1380708751
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Magnesioriebeckit (SNr: A002650)

Nadelige blaugraue Kristalle, BB = 3,8 mm, Fundort: Valley Ford, Sonoma County, Kalifornien, USA.

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2013-10-02
Locality: Valley Ford / Sonoma Co. / Kalifornien (California) / USA
Magnesioriebeckit
Views (File:
1179062416
): 2963
Magnesioriebeckit
Magnesioriebeckit; Fundort: Vrissaki, Lavrion
Copyright: Fritz Schreiber; Contribution: Erik
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Velatouri/Siri Minen/Cap Vrissaki
Mineral: Magnesioriebeckite
Image: 1179062416
Rating: 4.67 (votes: 3)
License: Usage for Mineralienatlas project only
Magnesioriebeckit

Magnesioriebeckit; Fundort: Vrissaki, Lavrion

Copyright: Fritz Schreiber
Contribution: Erik 2007-05-13
Locality: Cap Vrissaki / Siri Minen / Velatouri / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Magnesioriebeckit
Views (File:
1594021144
): 959
Magnesioriebeckit
Magnesioriebeckit, 42 x 26 mm,Fund 05. 2008, Macrofoto , Parasonic DMC 300
Copyright: MeisterDM; Contribution: MeisterDR
Collection: D.Meisterernst
Location: Österreich/Salzburg/Hallein, Bezirk (Tennengau)/Scheffau am Tennengebirge/Moosegg/Gipsbruch
Mineral: Magnesioriebeckite
Image: 1594021144
Rating: 4 (votes: 1)
License: Usage for Mineralienatlas project only
Magnesioriebeckit

Magnesioriebeckit, 42 x 26 mm,Fund 05. 2008, Macrofoto , Parasonic DMC 300

Collection: D.Meisterernst
Copyright: MeisterDM
Contribution: MeisterDR 2020-07-06
Locality: Gipsbruch / Moosegg / Scheffau am Tennengebirge / Hallein, Bezirk (Tennengau) / Salzburg / Österreich
Magnesioriebeckit
Views (File:
1359658642
): 1872
Magnesioriebeckit
Bildbreite: 20 mm; Fundort: Mavro Lithari, Revier Sounion, Lavrion, Attika, Griechenland
Copyright: Fritz Schreiber; Contribution: slugslayer
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Sounion/Cato Sounio Minen/Mavro Lithari
Mineral: Magnesioriebeckite
Image: 1359658642
License: Usage for Mineralienatlas project only
Magnesioriebeckit

Bildbreite: 20 mm; Fundort: Mavro Lithari, Revier Sounion, Lavrion, Attika, Griechenland

Copyright: Fritz Schreiber
Contribution: slugslayer 2013-01-31
Locality: Mavro Lithari / Cato Sounio Minen / Sounion / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland

Collectors Summary

Color blau, schwarz, dunkelgrün
Streak color grünlichbraun
Lustre Glasglanz
Hardness (Mohs) 5.5
Solubility +++ HF, - andere Säuren
Crystal System monoklin, C2/m

Chemism

Chemical formula

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

Empirical formula (analysis)

(Na1.92Ca0.08K0.04)Σ2(Mg2.62Fe2+0.50)Σ3.12(Fe3+1.84Al0.04)Σ1.88Si8.00O22(OH)2

Additional chem. information

A(Na0.09K0.01)Σ0.10

B(Na1.77Ca0.11Mg0.08Mn2+0.04)Σ2.00 C(Mg2.93Mn2+0.13Fe2+0.07Zn0.01Ni0.12Fe3+1.25Al0.48Ti0.01)Σ5.00

T(Si7.92Al0.08)Σ8.00 O22W(OH1.88F0.12)Σ2.00

Chemical composition

Eisen, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 855.033303912 u; Number of atoms in the formula: 41.04

Info

Empirical formula:

(Na1.92Ca0.08K0.04)(Mg2.62Fe0.50)(Fe1.84Al0.04)Si8.00O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.24

2

4.87

1.0079470

2.0158940

Oxygen

O

44.91

24

58.48

15.9994300

383.9863200

Sodium

Na

5.16

1.92

4.68

22.9897702

44.1403588

Magnesium

Mg

7.45

2.62

6.38

24.3050600

63.6792572

Aluminium

Al

0.13

0.04

0.10

26.9815382

1.0792615

Silicon

Si

26.28

8

19.49

28.0855300

224.6842400

Potassium

K

0.18

0.04

0.10

39.0983100

1.5639324

Calcium

Ca

0.37

0.08

0.19

40.0784000

3.2062720

Iron

Fe

15.28

2.34

5.70

55.8452000

130.6777680

Analysis wt%

SiO2 : 56.10, Al2O3 : 0.66, Fe2O3 : 15.60, FeO : 4.06, MgO : 14.50, CaO : 1.11, Na2O : 5.05, K2O : 0.71, H2O : 2.24 (Ref: Acta Crystallographica 49)

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.08-040

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

Classification by Hölzel

9.DJ.200

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

Dana 8th edition

66.01.03c.04

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

grünlichbraun

Diaphaneity (Transparency)

durchscheinend bis teilweise opak

Lustre

Glasglanz

max. Birefringence

0.01

Birefringence chart\! Magnesioriebeckite title=Birefringence chart Magnesioriebeckite

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

1.678(2)

RI value β

1.682(2)

RI value γ / ε

1.688(2)

Ri mean

1.683

2V angle

Biaxial (+) 80.2(1.7)º (gemessen) 78.7° (berechnet)

Optical Data Luminescence

Color SW-UV (254nm)

 

bläulich weiß

SW-UV Intensity

sehr schwach

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)

9.6481(14)

Cell parameters b (Å)

17.873(3)

Cell parameters c (Å)

5.3013(7)

Cell parameters a/b or c/a

0.54

Cell parameters c/b

0.297

Cell parameters α

90°

Cell parameters β

102.90

Cell parameters γ

90°

Z

2

Volumne (ų)

891.087

X-Ray Powder Diffraction

8.303(83),
4.855(30),
4.467(50),
3.391(53),
3.079(62),
2.701(100),
2.578(35),
2.522(50),
2.300(29),
2.155(30)

XRD chart Magnesioriebeckite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.19

3.187 ( ρ calc. Mineralienatlas )

Instability

+++ HF, - andere Säuren

Preface

Occurrences

in magmatischen, sauren, alkalireichen Gesteinen wie auch in metamorphen Gesteinen

Author (Name, Year)

Miyashiro, 1957

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

Oberti Roberta, Boiocchi Massimo, Hawthorne Frank C., Ciriotti E. Marco - Magnesio-riebeckite from the Varenche mine (Aosta Valley, Italy): crystal-chemical characterization of a grandfathered end-member - Mineralogical Magazine 81(2):(in press) · April 2017 [Neue Kristalldaten]

IMA group assignments

Other languages

German

Magnesioriebeckit

Spanish

Magnesioriebeckita

English

Magnesioriebeckite

French

Magnesioriebeckite

Russian

Магнезиорибекит

Russian

Родусит

Japanese

苦土リーベック閃石

Alternative Name

German

Bababudanit

Spanish

Bababudanita

English

Bababudanite

Italian

Babudanite

Ferri-glaucophane

English

Ferriglaucophane

Magnesian Riebeckite

German

Rhodusit

Spanish

Rhodusita

English

Rhodusite

German

Svidneit

Spanish

Svidneita

English

Svidneite

German

Ternovskit

Spanish

Ternovskita

English

Ternovskite

German

Torendikit

Spanish

Torendikita

Torendikite

English

Torendrikite

CNMNC symbol

Symbol

Mrbk

Locations with GPS information