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Toturite (Toturit)

Collectors Summary

Crystal System kubisch, Ia3d

Chemism

Chem­ical formula

{Ca3}[Sn4+2](SiFe3+2)O12

Addi­tional chem. informa­tion

Granat Gruppe

Chem­ical com­po­si­tion

Calcium, Eisen, Silicium, Zinn, Sauerstoff

Unit weight: 689.42569 u; Number of atoms in the formula: 20

Info

Empirical formula:

{Ca3}[Sn2](SiFe2)O12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

27.85

12

60.00

15.9994300

191.9931600

Silicon

Si

4.07

1

5.00

28.0855300

28.0855300

Calcium

Ca

17.44

3

15.00

40.0784000

120.2352000

Iron

Fe

16.20

2

10.00

55.8452000

111.6904000

Tin

Sn

34.44

2

10.00

118.7107000

237.4214000

Anal­y­sis wt%

SiO2 : 4.90, Sb2O5 : 7.77, TiO2 : 4.24, SnO2 : 32.58, Al2O3 : 4.59, Fe2O3 : 19.27, FeO : 0.53, CaO : 24.78 (Ref: American Mineralogist 2010)

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.08-180

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

Clas­sifica­tion by Hölzel

9.AC.560

9: SILICATES
A: Nesosilicates
C: Garnet-Group
5: Schorlomite-Group - 6-coord. Ti, Zr, Sn

IMA sta­tus

anerkannt, IMA WEB-Seite, Neue Mineralien Juli 2009

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Garnet supergroup  ⇒ Silicate garnets; Schorlomite group (Z charge 10)

Optical Properties

max. Birefrin­gence

0.000

2V angle

Isotropisch

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell param­e­ters a (Å)

12.55

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)

1976.656

X-Ray Pow­der Diffrac­tion

4.437(67), 3.138(74), 2.806(59), 2.562(100), 1.984(23), 1.677(91), 1.146(31), 1.046(25)

XRD chart Toturite

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

Physical Properties

Density (g/cm³)

4.49 (berechnet)

4.633 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Irina O. Galuskina, Evgeny V. Galuskin, Piotr Dzierzanowski, Viktor M. Gazeev, Krystian Prusik, Nikolai N. Pertsev, Antoni Winiarski, Aleksandr E. Zadov, Roman Wrzalik (2010)

References

IMA WEB-Seite, Neue Mineralien Juli 2009

Irina O. Galuskina, Evgeny V. Galuskin, Piotr Dzierzanowski, Viktor M. Gazeev, Krystian Prusik, Nikolai N. Pertsev, Antoni Winiarski, Aleksandr E. Zadov, Roman Wrzalik: Toturite Ca3Sn2Fe2SiO12—A new mineral species of the garnet group. American Mineralogist Vol. 95, Nr. 8-9 (2010) S. 1305–1311.

http://systematic-mineralogy.com/mineral.aspx?id=2846

Grew, E.S., Locock, A.J., Mills, S.J., Galuskina, I.O., Galuskin, E.V., Halenius, U., 2012; Nomenclature of the garnet supergroup. American Mineralogist; preprint December 2012 - [Formel]

IMA group assignments

Other languages

German

Toturit

Spanish

Toturita

English

Toturite

Russian

Тотурит

CNMNC (IMA)-Number

IMA 2009-033

CNMNC symbol

Symbol

Tot

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

German pages

DeWikiPedia - search for: Toturit
Google-Bilder-Suche - search for: Toturit
Mineralienatlas.de (Forum) - search for: Toturit

English pages

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

Russian pages

Webmineral.ru - search for: Тотурит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Toturit
Crystal-Treasure.com - search for: Toturit
Bosse - search for: Toturit
Edelsteine Neuburg - Gundolf Fischer - search for: Toturit

Locations with GPS information