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Hutcheonite

Pictures (1 Images total)

Allende Meteorit
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Allende Meteorit
Allende Meteorit
Copyright: Matteo Chinellato; Contribution: Collector
Mineral: Hutcheonite
Encyclopedia: Mexiko/Chihuahua/Allende, Municipio/Pueblito de Allende/Allende Meteorit
Image: 1375799402
License: Usage for Mineralienatlas project only
Allende Meteorit

Allende Meteorit

Copyright: Matteo Chinellato
Contribution: Collector 2013-08-06

Collectors Summary

Crystal System kubisch, Ia3d

Additional information / Summary

Siehe auch Mineralienportrait - Granat : Hutcheonit

Chemism

Chemical formula

{Ca3}[Ti2](SiAl2)O12

Chemical composition

Aluminium, Calcium, Silicium, Titan, Sauerstoff

Unit weight: 490.0111664 u; Number of atoms in the formula: 20

Info

Empirical formula:

{Ca3}[Ti2](SiAl2)O12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

39.18

12

60.00

15.9994300

191.9931600

Aluminium

Al

11.01

2

10.00

26.9815382

53.9630764

Silicon

Si

5.73

1

5.00

28.0855300

28.0855300

Calcium

Ca

24.54

3

15.00

40.0784000

120.2352000

Titanium

Ti

19.54

2

10.00

47.8671000

95.7342000

Strunz 9th edition incl. updates

9.AD.25

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
D: Insel(Neso)silikate ohne weitere Anionen; Kationen in oktahedraler [6] und gewöhnlich größerer Koordination
25:Granat-Gruppe

Lapis Classification

VIII/A.08-115

VIII: SILIKATE
A: Inselsilikate mit [SiO4] 4--Baugruppen
8: Kationen in kubischer und oktaedrischer Koordination [8+6]; Granat-Gruppe

IMA status

anerkannt - CNMNC Newsletter No. 16, August 2013

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Garnet supergroup  ⇒ Silicate garnets; Garnet group (Z charge 12)

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell parameters a (Å)

11.843

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

Volume (ų)

1661.059

Crystal structure

Granat-Gruppe

X-Ray Powder Diffraction

2.961(54), 2.648(100), 2.417(41), 1.642(27), 1.583(63), 1.292(18), 1.081(16), 0.806(30)

XRD chart Hutcheonite

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

Physical Properties

Density (g/cm³)

3.919 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Mexiko/Chihuahua/Pueblito de Allende/Allende Meteorit

Type material

Sektion MQM803 in der G. J. Wasserburg Meteorite Sammlung der Abteilung der Geologischen und Planetarischen Wissenschaften, California Institute of Technology, Pasadena, California, USA

Preface

Name from

Benannt nach dem US-amerikanischen Astrophysiker und Chemiker Prof. Dr. Ian D. Hutcheon vom Lawrence Livermore National Laboratory, Livermore, Kalifornien. (LLNL)

Author (Name, Year)

Chi Ma and Alexander N. Krot (2014)

References

Ma, C. and Krot, A.N. (2013) Hutcheonite, IMA 2013-029. CNMNC Newsletter No. 16, August 2013, page 2707; Mineralogical Magazine, 77, 2695-2709.

Chi Ma, Alexander N. Krot: Hutcheonite, Ca3Ti2(SiAl2)O12, a new garnet mineral from the Allende meteorite: An alteration phase in a Ca-Al-rich inclusion. American Mineralogist Vol. 99 (2014) S. 667-670.

Krot, A. N., I.D., Hutcheon, Brearley, A.J., Pravdivtseva, O.V., Petaev, M.I., Hohenburg, C.M., 2006; Timescales and Settings for Alteration of Chondritic Meteorites: in : Meteorites and the Early Solar System II, D.S. Lauretta and H.Y. McSween, eds., Univ. of Arizona Press.

IMA group assignments

Other languages

German

Hutcheonit

English

Hutcheonite

Russian

Хатчеонит

Simplified Chinese

钙钛榴石

CNMNC (IMA)-Number

IMA 2013-029

CNMNC symbol

Symbol

Htn

IDs

GUSID (Global unique identifier short form) qLdwsAsYu0q3WCWS3sN2ug
GUID (Global unique identifier) B070B7A8-180B-4ABB-B758-2592DEC376BA
Database ID 7636