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Magnesiocoulsonite

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Chrom-Tremolit (grün) mit Magnesiocoulsonit (schwarz)
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Chrom-Tremolit (grün) mit Magnesiocoulsonit (schwarz)

Bildbreite: 3 mm; Fundort: Pereval Marmorstbr., Sljudjanka, Baikalsee, Irkutsk Oblast, Sibiren, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-06
Locality: Pereval Marmorsteinbruch (Grube Kaber) / Pokhabikha-Tal / Sljudjanka (Sludyanka; Slyudyanka) / Baikalsee / Irkutsk (Irkutskaja), Oblast / Sibirien, Föderationskreis / Russland

Collectors Summary

Color hellgrau
Streak color schwarz
Hardness (Mohs) 6.5
Cleavages keine
Fracture uneben
Crystal System kubisch, Fd3m

Chemism

Chem­ical formula

MgV23+O4

Chem­ical com­po­si­tion

Magnesium, Sauerstoff, Vanadium

Unit weight: 190.1858 u; Number of atoms in the formula: 7

Info

Empirical formula:

MgV2O4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

33.65

4

57.14

15.9994300

63.9977200

Magnesium

Mg

12.78

1

14.29

24.3050600

24.3050600

Vanadium

V

53.57

2

28.57

50.9415100

101.8830200

Anal­y­sis wt%

Ø V2O3 : 50.07, Cr2O3 : 28.09, MgO : 20.90 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 95)

Strunz 9th edi­tion incl. updates

4.BB.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
B: Metall: Sauerstoff = 3:4 und vergleichbare
B: Mit ausschließlich mittelgroßen [Kationen]
05:Spinel-Gruppe

Lapis Clas­sifica­tion

IV/B.04-005

IV: OXIDE
B: Oxide mit Verhältnis Metall zu Sauerstoff = 3:4 (Spinelltyp M3O4 und verwandte Verbindungen)
4: Spinell-Gruppe; V/Ti/Ge-Spinelle

Clas­sifica­tion by Hölzel

4.BD.120

4: OXIDES
B: Spinels R3O4
D: V,Ti,Ge-Spinels

Dana 8th edi­tion

07.02.04.03

07: Multiple Oxides
02: Multiple Oxides (A+ B++)2 X4 Spinel group
04: (Vanadium subgroup)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Spinel supergroup  ⇒ Oxyspinel group  ⇒ Spinel subgroup

Optical Properties

Color

hellgrau

Streak color

schwarz

Diaphane­ity (Trans­parency)

opak

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters a (Å)

8.385

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

589.534

X-Ray Pow­der Diffrac­tion

4.84(90),
2.95(30),
2.52(100),
2.093(80),
1.612(80),
1.482(90),
1.092(70),
1.048(50)

XRD chart Magnesiocoulsonite

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)

6.5

VHN (Hard­ness Vick­ers)

969 (100g)

Density (g/cm³)

4.3

4.285 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

uneben

Tenac­ity

spröde

Preface

Author (Name, Year)

Reznitskiy & Sklyarov & Ushchaporskaya, 1995

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 124 (1995) (4), 91

IMA group assignments


 
 
 
 
 

 
 
 
 
 
 

 
 
 
 
Fe2+Cr2O4
kubisch
Fd3m

 
 
 
 
(Co,Ni,Fe2+)(Cr,Al)2O4
kubisch
Fd3m

 
 
 
 
Fe2+V23+O4
kubisch
Fd3m

 
 
 
 
(Cu,Mg)Fe23+O4
kubisch
Fd3m

 
 
 
 
V2+Al2O4
kubisch
Fd3m

 
 
 
 
Al2O3
tetragonal
P4m2

 
 
 
 
(Zn,Mn2+,Fe2+)(Fe3+,Mn3+)2O4
kubisch
Fd3m

 
 
 
 
ZnAl2O4
kubisch
Fd3m

 
 
 
 
(Mn,Fe2+,Mg)(Al,Fe3+)2O4
kubisch
Fd3m

 
 
 
 
Co2+Co3+2O4
kubisch
Fd3m

 
 
 
 
Mn2+Mn23+O4
tetragonal
I41/amd

 
 
 
 
Fe2+Al2O4
kubisch
Fd3m

 
 
 
 
ZnMn23+O4
tetragonal
I41/amd

 
 
 
 
(Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4
kubisch
Fd3m

 
 
 
 
Fe2.67O4
kubisch
P4132, P4332

 
 
 
 
MgCr2O4
kubisch
Fd3m

 
 
 
 
MgV23+O4
kubisch
Fd3m

 
 
 
 
MgFe23+O4
kubisch
Fd3m

 
 
 
 
Fe2+Fe23+O4
kubisch
Fd3m

 
 
 
 
(Mn,Fe2+)(Cr,V)2O4
kubisch
Fd3m

 
 
 
 
MgAl2O4
kubisch
Fd3m

 
 
 
 
CuAl2O4
kubisch
Fd3m

 
 
 
 
Fe3+(Fe3+,Ti4+,Fe2+,☐)2O4
kubisch
P4332, P4132

 
 
 
 
NiFe23+O4
kubisch
Fd3m

 
 
 
 
(Mn2+,Fe2+)(V3+,Cr3+)2O4
kubisch
Fd3m

 
 
 
 
ZnCr2O4
kubisch
Fd3m

Refresh list

Actuality: 03. Dec 2021 - 22:13:11

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Xieite

FeCr2O4

orthorhombisch : mmm : Bbmm

4.BB.05

Gahnite

ZnAl2O4

kubisch : m3m : Fd3m

4.BB.05

Chromite

Fe2+Cr2O4

kubisch : m3m : Fd3m

4.BB.05

Galaxite

(Mn,Fe2+,Mg)(Al,Fe3+)2O4

kubisch : m3m : Fd3m

4.BB.05

Spinel

MgAl2O4

kubisch : m3m : Fd3m

4.BB.05

Hercynite

Fe2+Al2O4

kubisch : m3m : Fd3m

4.BB.05

Jacobsite

(Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4

kubisch : m3m : Fd3m

4.BB.05

Magnetite

Fe2+Fe23+O4

kubisch : m3m : Fd3m

4.BB.05

Qandilite

(Mg,Fe2+)2(Ti,Fe3+,Al)O4

kubisch : m3m : Fd3m

4.BB.05

Trevorite

NiFe23+O4

kubisch : m3m : Fd3m

4.BB.05

Cochromite

(Co,Ni,Fe2+)(Cr,Al)2O4

kubisch : m3m : Fd3m

4.BB.05

Coulsonite

Fe2+V23+O4

kubisch : m3m : Fd3m

4.BB.05

'Nichromite'

(Ni,Co,Fe2+)(Cr,Fe3+,Al)2O4

kubisch : m3m : Fd3m

4.BB.05

Franklinite

(Zn,Mn2+,Fe2+)(Fe3+,Mn3+)2O4

kubisch : m3m : Fd3m

4.BB.05

Filipstadite

(Mn2+,Mg)2(Fe3+0.5Sb5+0.5)O4

kubisch : m3m : Fd3m

4.BB.05

Tegengrenite

(Mg,Mn2+)2(Sb5+,Mn3+)O4

trigonal : 3, 3 : R3, R3

4.BB.05

Cuprospinel

(Cu,Mg)Fe23+O4

kubisch : m3m : Fd3m

4.BB.05

Ulvöspinel

TiFe22+O4

kubisch : m3m : Fd3m

4.BB.05

Zincochromite

ZnCr2O4

kubisch : m3m : Fd3m

4.BB.05

Vuorelainenite

(Mn2+,Fe2+)(V3+,Cr3+)2O4

kubisch : m3m : Fd3m

4.BB.05

Magnesioferrite

MgFe23+O4

kubisch : m3m : Fd3m

4.BB.05

Manganochromite

(Mn,Fe2+)(Cr,V)2O4

kubisch : m3m : Fd3m

4.BB.05

Magnesiochromite

MgCr2O4

kubisch : m3m : Fd3m

4.BB.05

Magnesiocoulsonite

MgV23+O4

kubisch : m3m : Fd3m

4.BB.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Magnesiocoulsonite

MgV23+O4

kubisch : m3m : Fd3m

IV/B.04-005

Vuorelainenite

(Mn2+,Fe2+)(V3+,Cr3+)2O4

kubisch : m3m : Fd3m

IV/B.04-010

Coulsonite

Fe2+V23+O4

kubisch : m3m : Fd3m

IV/B.04-020

Qandilite

(Mg,Fe2+)2(Ti,Fe3+,Al)O4

kubisch : m3m : Fd3m

IV/B.04-030

Ulvöspinel

TiFe22+O4

kubisch : m3m : Fd3m

IV/B.04-040

Brunogeierite

(Fe2+)2Ge4+O4

kubisch : m3m : Fd3m

IV/B.04-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Coulsonite

Fe2+V23+O4

kubisch : m3m : Fd3m

4.BD.100

Vuorelainenite

(Mn2+,Fe2+)(V3+,Cr3+)2O4

kubisch : m3m : Fd3m

4.BD.110

Magnesiocoulsonite

MgV23+O4

kubisch : m3m : Fd3m

4.BD.120

Ulvöspinel

TiFe22+O4

kubisch : m3m : Fd3m

4.BD.150

Qandilite

(Mg,Fe2+)2(Ti,Fe3+,Al)O4

kubisch : m3m : Fd3m

4.BD.160

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Spinel

MgAl2O4

kubisch : m3m : Fd3m

07.02.01.01

Galaxite

(Mn,Fe2+,Mg)(Al,Fe3+)2O4

kubisch : m3m : Fd3m

07.02.01.02

Hercynite

Fe2+Al2O4

kubisch : m3m : Fd3m

07.02.01.03

Gahnite

ZnAl2O4

kubisch : m3m : Fd3m

07.02.01.04

Magnesioferrite

MgFe23+O4

kubisch : m3m : Fd3m

07.02.02.01

Jacobsite

(Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4

kubisch : m3m : Fd3m

07.02.02.02

Magnetite

Fe2+Fe23+O4

kubisch : m3m : Fd3m

07.02.02.03

Franklinite

(Zn,Mn2+,Fe2+)(Fe3+,Mn3+)2O4

kubisch : m3m : Fd3m

07.02.02.04

Trevorite

NiFe23+O4

kubisch : m3m : Fd3m

07.02.02.05

Cuprospinel

(Cu,Mg)Fe23+O4

kubisch : m3m : Fd3m

07.02.02.06

Brunogeierite

(Fe2+)2Ge4+O4

kubisch : m3m : Fd3m

07.02.02.07

Magnesiochromite

MgCr2O4

kubisch : m3m : Fd3m

07.02.03.01

Manganochromite

(Mn,Fe2+)(Cr,V)2O4

kubisch : m3m : Fd3m

07.02.03.02

Chromite

Fe2+Cr2O4

kubisch : m3m : Fd3m

07.02.03.03

Cochromite

(Co,Ni,Fe2+)(Cr,Al)2O4

kubisch : m3m : Fd3m

07.02.03.05

Zincochromite

ZnCr2O4

kubisch : m3m : Fd3m

07.02.03.06

Vuorelainenite

(Mn2+,Fe2+)(V3+,Cr3+)2O4

kubisch : m3m : Fd3m

07.02.04.01

Coulsonite

Fe2+V23+O4

kubisch : m3m : Fd3m

07.02.04.02

Magnesiocoulsonite

MgV23+O4

kubisch : m3m : Fd3m

07.02.04.03

Qandilite

(Mg,Fe2+)2(Ti,Fe3+,Al)O4

kubisch : m3m : Fd3m

07.02.05.01

Ulvöspinel

TiFe22+O4

kubisch : m3m : Fd3m

07.02.05.02

Kusachiite

CuBi2O4

tetragonal : 4/mmm : P4/ncc

07.02.06.01

Iwakiite

Mn2+(Fe3+,Mn3+)2O4

tetragonal : 4/mmm : I41/amd

07.02.06.02

Hausmannite

Mn2+Mn23+O4

tetragonal : 4/mmm : I41/amd

07.02.07.01

Hetaerolite

ZnMn23+O4

tetragonal : 4/mmm : I41/amd

07.02.07.02

'Hydrohetaerolite'

HZnMn3+1.7O4

tetragonal : 4/mmm : I41/amd

07.02.07.03

Minium

Pb2+2Pb4+O4

tetragonal : 4/mmm : P42/mbc

07.02.08.01

Chrysoberyl

BeAl2O4

orthorhombisch : mmm : Pbnm

07.02.09.01

CNMNC (IMA)-Number

IMA 1994-034

CNMNC symbol

Symbol

Mcou

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German pages

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