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Kangite

Collectors Summary

Crystal System kubisch, Ia3

Chemism

Chemical formula

(Sc,Ti,Al,Zr,Mg,Ca,☐)2O3

Additional chem. information

Bixbyit-Gruppe

Chemical composition

Aluminium, Calcium, Magnesium, Scandium, Titan, Zirconium, Sauerstoff, Vakanz

Unit weight: 138.33257552 u; Number of atoms in the formula: 5

Info

Empirical formula:

(Sc0.55Ti0.25Al0.1Zr0.05Mg0.05Ca0Vc0)2O3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

34.70

3

60.00

15.9994300

47.9982900

Magnesium

Mg

1.76

0.1

2.00

24.3050600

2.4305060

Aluminium

Al

3.90

0.2

4.00

26.9815382

5.3963076

Scandium

Sc

35.75

1.1

22.00

44.9559108

49.4515019

Titanium

Ti

17.30

0.5

10.00

47.8671000

23.9335500

Zirconium

Zr

6.59

0.1

2.00

91.2242000

9.1224200

Strunz 9th edition incl. updates

4.CB.10

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
10:Bixbyit-Gruppe

Lapis Classification

IV/C.03-030

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
3: Bixbyit-Gruppe

Classification by Hölzel

4.CB.110

4: OXIDES
C: R2O3 Sesquioxides
B: Bixbyite-Group

IMA status

anerkannt - CNMNC - Neue Mineralien Dezember 2011

Mineral status

anerkanntes Mineral

Crystallography

Crystal System

kubisch

Class (H-M)

m3

Space Group number

206

Space Group

Ia3

Cell parameters a (Å)

9.842

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

16

Volume (ų)

953.345

X-Ray Powder Diffraction

4.019(16), 2.842(100), 2.461(10), 2.099(15), 1.931(75), 1.740(51), 1.519(29), 1.484(23)

XRD chart Kangite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.855 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Mexiko/Chihuahua/Allende, Municipio/Pueblito de Allende/Allende Meteorit

Type material

Smithsonian Institution’s National Museum of Natural History, Washington DC, USA

Collection number of type material

USNM 7555

Preface

Author (Name, Year)

Chi Ma, Oliver Tschauner, John R. Beckett, George R. Rossman, Wenjun Liu (2013)

References

http://www.its.caltech.edu/chima/

CNMNC Newsletter No. 12, February 2012, page 152; Mineralogical Magazine, 76, 151-155.

Chi Ma, Oliver Tschauner, John R. Beckett, George R. Rossman, Wenjun Liu: Kangite, (Sc,Ti,Al,Zr,Mg,Ca, )2O3, a new ultra-refractory scandia mineral from the Allende meteorite: Synchrotron micro-Laue diffraction and electron backscatter diffraction. American Mineralogist Vol. 98, 5-6 (2013) S. 870-878.

Other languages

German

Kangit

English

Kangite

Simplified Chinese

星钪石

CNMNC (IMA)-Number

IMA 2011-092

CNMNC symbol

Symbol

Kg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 30-3FV-b0kqSOkwPL0qZpA
GUID (Global unique identifier) 15B74FDF-9B5F-4AD2-923A-4C0F2F4A99A4
Database ID 7155