'._('einklappen').'
 

Magnesiotaaffeite-6N'3S

Collectors Summary

Color oliv, dunkelgrün, schwarz
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 8 - 8.5
Solubility verdünnte HCL
Crystal System trigonal, R3m

Chemism

Chem­ical formula

(Mg,Fe2+,Zn)2Al6BeO12

Chem­ical com­po­si­tion

Aluminium, Beryllium, Eisen, Magnesium, Zink, Sauerstoff

Unit weight: 438.6496435 u; Number of atoms in the formula: 21

Info

Empirical formula:

(Mg0.6Fe0.3Zn0.1)2Al6BeO12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Beryllium

Be

2.05

1

4.76

9.0121823

9.0121823

Oxygen

O

43.77

12

57.14

15.9994300

191.9931600

Magnesium

Mg

6.65

1.2

5.71

24.3050600

29.1660720

Aluminium

Al

36.91

6

28.57

26.9815382

161.8892292

Iron

Fe

7.64

0.6

2.86

55.8452000

33.5071200

Zinc

Zn

2.98

0.2

0.95

65.4094000

13.0818800

Strunz 9th edi­tion incl. updates

4.CB.20

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
B: Mit mittelgroßen Kationen
20:Högbomit-Gruppe

Clas­sifica­tion by Hölzel

4.CE.163

4: OXIDES
C: R2O3 Sesquioxides
E: Other complex Oxides, mostly hextrig
1: Högbomite-Group

Hey's Chem­ical Index of Min­er­als

07.04.06

07: Oxides and Hydroxides
04: Oxides of Be, Mg and the alkaline earths

Dana 8th edi­tion

07.02.12.01

07: Multiple Oxides
02: Multiple Oxides (A+ B++)2 X4 Spinel group
12: Taaffeite Group (T2 = Be + T)

IMA sta­tus

Originalbeschreibung als Taaffeit - Polytyp; von Schmetzer (1983) als Musgravit bezeichnet, (2002) von Armbruster umbenannt.

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Högbomite supergroup  ⇒ Taaffeite group

Optical Properties

Color

oliv, dunkelgrün, schwarz

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend

Lus­tre

Glasglanz

max. Birefrin­gence

0.004

Birefringence chart\! Magnesiotaaffeite-6N'3S title=Birefringence chart Magnesiotaaffeite-6N'3S

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

1.735

RI value γ / ε

1.739

Ri mean

1,737

2V angle

Uniaxial (-)

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell param­e­ters a (Å)

5.67

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

41.09

Cell param­e­ters a/b or c/a

7.247

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

6

Volumne (ų)

1144.018

X-Ray Pow­der Diffrac­tion

13.70(60),
2.836(60),
2.656(60),
2.519(50),
2.410(100),
2.269(60),
2.054(60),
1.487(60)

XRD chart Magnesiotaaffeite-6N'3S

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)

8 - 8.5

Density (g/cm³)

3.68 (gemessen) 3.69 (berechnet)

3.82 ( ρ calc. Mineralienatlas )

Insta­bil­ity

verdünnte HCL

Preface

Rare­ness

Rare

Name from

Der Originalname Musgravit wurde nach der Fundregion Ernabella Mission, Musgrave Ranges, Südaustralien benannt. Jetzt nach der Zugehörigkeut zu Taaffeit.

Author (Name, Year)

Armbruster, 2002

References

Neues Jahrbuch für Mineralogie, Abhandlungen 146 (1983), 146.

American Mineralogist 66 (1981), 1022.

Neues Jahrbuch für Mineralogie, Monatshefte (1983), 393-402.

Neues Jahrbuch für Mineralogie, Abhandlungen: 146: 15-28.

American Mineralogist 69 (1984), 215.

Mineralogical Magazine 57 (1993), 121.

European Journal of Mineralogy 14 (2002), 389-395.

IMA group assignments


 
 
 
 
 

 
 
 
Be(Fe,Mg,Zn)3Al8O16
hexagonal
P63mc

 
 
 
(Fe2+,Zn,Mg)2Al6BeO12
trigonal
R3m

 
 
 
Mg3Al8BeO16
hexagonal
P63mc

 
 
 
(Mg,Fe2+,Zn)2Al6BeO12
trigonal
R3m

Refresh list

Actuality: 28. Nov 2021 - 21:13:16

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

Magnesiohögbomite-2N4S

(Mg8.2Fe2+1.3Zn0.2)Al22.7Ti4+1.6O46(OH)2

hexagonal : 6mm : P63mc

4.CB.20

Magnesiohögbomite-6N12S

Mg5Al11TiO23(OH)

trigonal : 3m : R3m

4.CB.20

'Ferrohögbomit'

4.CB.20

'Ferrohögbomite-2N2S'

(Fe,Mg,Zn,Al)3(Al,Ti,Fe)8O15(OH)

hexagonal : 6mm : P63mc

4.CB.20

Zincohögbomite-2N2S

(Zn,Fe,Mg,Ti)6Al16O30(OH)2

hexagonal : 6mm : P63mc

4.CB.20

'Zincohögbomite-2N6S'

(Zn,Fe,Mg,Ti)14Al32O62(OH)2

hexagonal : 6mm : P63mc

4.CB.20

'Ferrohögbomite-6N12S'

(Fe,Mg,Zn,Ti)30Al72O138(OH)6

trigonal : 3m : R3m

4.CB.20

'Magnesiohögbomite-2N2S'

(Mg,Fe,Zn,Ti)6Al16O30(OH)2

hexagonal : 6mm : P63mc

4.CB.20

'Magnesiohögbomite-2N3S'

(Mg,Fe,Zn,Ti)4(Al,Fe)10O19(OH)

trigonal : 3m : P31m

4.CB.20

Magnesiohögbomite-6N6S

(Mg,Fe,Zn,Ti))18Al48O90(OH)6

4.CB.20

Magnesiotaaffeite-6N'3S

(Mg,Fe2+,Zn)2Al6BeO12

trigonal : 3m : R3m

4.CB.20

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

'Magnesiohögbomite-2N2S'

(Mg,Fe,Zn,Ti)6Al16O30(OH)2

hexagonal : 6mm : P63mc

4.CE.100

'Magnesiohögbomite-2N3S'

(Mg,Fe,Zn,Ti)4(Al,Fe)10O19(OH)

trigonal : 3m : P31m

4.CE.103

Magnesiohögbomite-2N4S

(Mg8.2Fe2+1.3Zn0.2)Al22.7Ti4+1.6O46(OH)2

hexagonal : 6mm : P63mc

4.CE.104

Magnesiohögbomite-6N6S

(Mg,Fe,Zn,Ti))18Al48O90(OH)6

4.CE.105

Zincohögbomite-2N2S

(Zn,Fe,Mg,Ti)6Al16O30(OH)2

hexagonal : 6mm : P63mc

4.CE.110

'Zincohögbomite-2N6S'

(Zn,Fe,Mg,Ti)14Al32O62(OH)2

hexagonal : 6mm : P63mc

4.CE.116

'Ferrohögbomite-2N2S'

(Fe,Mg,Zn,Al)3(Al,Ti,Fe)8O15(OH)

hexagonal : 6mm : P63mc

4.CE.120

'Magnesionigerite-2N1S'

(Mg,Al,Zn)4(Sn,Fe)2Al10O22(OH)2

trigonal : 3m : P3m1

4.CE.130

'Magnesionigerite-6N6S'

(Mg,Al,Zn)4(Sn,Fe)2Al10O22(OH)2

trigonal : 3m : R3m

4.CE.136

Zinconigerite-6N6S

Zn3Sn2Al16O30(OH)2

trigonal : 3m : R3m

4.CE.146

'Ferronigerite'

(Zn,Mg,Fe2+)(Sn,Zn)2(Al,Fe3+)12O22(OH)2

4.CE.15

'Ferronigerite-2N1S'

Al10.9Sn2Fe1.7Zn0.7O22(OH)2

trigonal : 3m : P3m1

4.CE.150

Ferronigerite-6N6S

(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)

trigonal : 3 : R3

4.CE.156

Magnesiotaaffeite-2N'2S

Mg3Al8BeO16

hexagonal : 6mm : P63mc

4.CE.162

Magnesiotaaffeite-6N'3S

(Mg,Fe2+,Zn)2Al6BeO12

trigonal : 3m : R3m

4.CE.163

Ferrotaaffeite-2N’2S

Be(Fe,Mg,Zn)3Al8O16

hexagonal : 6mm : P63mc

4.CE.181

Ferrotaaffeite-6N'3S

(Fe2+,Zn,Mg)2Al6BeO12

trigonal : 3m : R3m

4.CE.183

Nolanite

V3+8Fe3+2O14(OH)2

hexagonal : 6mm : P63mc

4.CE.190

Rinmanite

(Zn,Mn2+)2Mg2Fe43+Sb25+O12(OH)2

hexagonal : 6mm : P63mc

4.CE.191

'Mongshanite'

(Mg,Cr,Fe2+)2(Ti,Zr,Cr,Fe3+)5O12

4.CE.194

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

Marokite

CaMn23+O4

orthorhombisch : mmm, mm2 : Pmab, P21ab

07.02.10.01

Magnesiotaaffeite-6N'3S

(Mg,Fe2+,Zn)2Al6BeO12

trigonal : 3m : R3m

07.02.12.01

Filipstadite

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

kubisch : m3m : Fd3m

07.02.13.01

Tegengrenite

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

trigonal : 3, 3 : R3, R3

07.02.13.02

Yafsoanite

Ca3Te6+2Zn3O12

kubisch : m3m : Ia3d

07.02.14.01

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

Magnesiotaaffeite-6N'3S

(Mg,Fe2+,Zn)2Al6BeO12

trigonal : 3m : R3m

07.04.06

old name

English

Musgravite-18R

Alternative Name

German

Magnesiotaaffeit-6N'3S

German

Magnesiotaaffeit-6N3S

English

Magnesiotaaffeite-6N3S

English

Magnesiotaaffeite-6N’3S

German

Musgravit

English

Musgravite

English

Taaffeite-9R

CNMNC (IMA)-Number

IMA 1966-041

CNMNC symbol

Symbol

Mtf- 6N'3S

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Magnesiotaaffeit-6N’3S
Google-Bilder-Suche - search for: Magnesiotaaffeit-6N’3S
Mineralogisch-Petrographisches-Institut Hamburg - search for: Magnesiotaaffeit-6N’3S

English pages

Mindat - search for: Magnesiotaaffeite-6N'3S
Webmineral - search for:Magnesiotaaffeite-6N'3S
Handbook-of-Mineralogy - search for: Magnesiotaaffeite-6N'3S
RRUFF - Raman, XRD and other mineral data - search for: Magnesiotaaffeite-6N'3S
RRUFF - References and PDF downloads - search for: Magnesiotaaffeite-6N'3S
American-Mineralogist-Crystal-Structure-Database - search for: Magnesiotaaffeite-6N'3S
Athena - search for: Magnesiotaaffeite-6N'3S

Russian pages

Webmineral.ru - search for: Магнезиотааффеит-6N'3S

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Magnesiotaaffeit-6N’3S
Crystal-Treasure.com - search for: Magnesiotaaffeit-6N’3S
Bosse - search for: Magnesiotaaffeit-6N’3S

Locations with GPS information