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Rubinite

Additional Functions

Collectors Summary

Crystal System kubisch, Ia3d

Additional information / Summary

Rubinit

Rubinit wurde in Einschlüssen in Meteoriten (CV3 Chondriten Vigarano, Allende und Efremovka) nachgewiesen, Ma et al 2017.

Chemism

Chem­ical formula

{Ca3}[Ti3+2](Si3)O12

Addi­tional chem. informa­tion

Ein Teil (11-46%) des Ti3+ kann als Ti4+ vorliegen.

Ma, C., Yoshizaki, T., Krot, A. N., Beckett, J. R., Nakamura, T., Nagashima, K., ... & Ivanova, M. A. (2017, July). Discovery of rubinite, Ca3Ti3+ 2Si3O12, a new garnet mineral in refractory inclusions from carbonaceous chondrites. In 80th Annual Meeting of the Meteoritical Society (Vol. 80, p. 6023).

Chem­ical com­po­si­tion

Calcium, Silicium, Titan, Sauerstoff

Unit weight: 492.21915 u; Number of atoms in the formula: 20

Info

Empirical formula:

{Ca3}[Ti2](Si3)O12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

39.01

12

60.00

15.9994300

191.9931600
Silicon

Si

17.12

3

15.00

28.0855300

84.2565900
Calcium

Ca

24.43

3

15.00

40.0784000

120.2352000
Titanium

Ti

19.45

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

IMA sta­tus

anerkannt - CNMNC Newsletter 36, 2017

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

 Garnet supergroup

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell param­e­ters a (Å)

12.1875

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°

Volumne (ų)

1810.272

Kristall struc­ture

Granat-Supergruppe

X-Ray Pow­der Diffrac­tion

3.047(55),
2.725(100),
2.488(50),
1.690(34),
1.629(80),
1.363(18),
1.330(23),
1.113(20)
XRD chart Rubinite

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

(Co-)Type locality

(Co-)Type locality

Italien/Emilia-Romagna, Region/Ferrara, Provinz/Vigarano Meteorit

Type mate­r­ial

Meteorit-Sammlung der Geological and Planetary Sciences, California Institute of Technology, Pasadena, California 91125, USA, Sektion VCM3 (Vigarano)

Division of Earth and Planetary Materials Science, Graduate School of Science, Tohoku University, Sendai, Miyagi 980-8578, Japan, Sektion AE01 (Allende)

Preface

Author (Name, Year)

Chi Ma, Takashi Yoshizaki, Tomoki Nakamura und Jun Muto (2017)

References

Ma, C., Yoshizaki, T., Nakamura, T. and Muto, J. (2017) Rubinite, IMA 2016-110. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine, 81, 403-409.

Ma, C., Yoshizaki, T., Krot, A. N., Beckett, J. R., Nakamura, T., Nagashima, K., ... & Ivanova, M. A. (2017, July). Discovery of rubinite, Ca3Ti3+ 2Si3O12, a new garnet mineral in refractory inclusions from carbonaceous chondrites. In 80th Annual Meeting of the Meteoritical Society (Vol. 80, p. 6023).

IMA group assignments

Other languages

German

Rubinit

English

Rubinite

Simplified Chinese

始钛榴石

CNMNC (IMA)-Number

IMA 2016-110

CNMNC symbol

Symbol

Rbi

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

German pages

 DeWikiPedia - search for: Rubinit
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Mineralienatlas.de (Forum) - search for: Rubinit

English pages

 Mindat - search for: Rubinite
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Handbook-of-Mineralogy - search for: Rubinite
RRUFF - Raman, XRD and other mineral data - search for: Rubinite
RRUFF - References and PDF downloads - search for: Rubinite
American-Mineralogist-Crystal-Structure-Database - search for: Rubinite
Strahlen.org - search for: Rubinite

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Rubinit
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Edelsteine Neuburg - Gundolf Fischer - search for: Rubinit