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Natrotitanite

Pictures (1 Images total)

Natrotitanit
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Natrotitanit
schmutzigweißes Aggregat von Natrotitanit, Verkhnee-Espe-Massiv, Tarbagatai-Gebirge, Ostkasachstan, Kasachstan; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Kasachstan/Schyghys Qasaqstan oblysy (Ostkasachstan)/Tarbagatai-Gebirge/Verkhnee-Espe-Massiv
Mineral: Natrotitanite
Image: 1583347653
License: Usage for Mineralienatlas project only
Natrotitanit

schmutzigweißes Aggregat von Natrotitanit, Verkhnee-Espe-Massiv, Tarbagatai-Gebirge, Ostkasachstan, Kasachstan; BB < 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-04
Locality: Verkhnee-Espe-Massiv / Tarbagatai-Gebirge / Schyghys Qasaqstan oblysy (Ostkasachstan) / Kasachstan

Collectors Summary

Crystal System monoklin, C2/c

Chemism

Chem­ical formula

[Na(Y,REE)]Ti(SiO4)O

Addi­tional chem. informa­tion

Titanit-Gruppe

Chem­ical com­po­si­tion

Natrium, Silicium, Titan, Yttrium, Sauerstoff, REE

Unit weight: 281.6189392 u; Number of atoms in the formula: 9

Info

Empirical formula:

[Na(Y0.75REE0.25)]Ti(SiO4)O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

28.41

5

55.56

15.9994300

79.9971500

Sodium

Na

8.16

1

11.11

22.9897702

22.9897702

Silicon

Si

9.97

1

11.11

28.0855300

28.0855300

Titanium

Ti

17.00

1

11.11

47.8671000

47.8671000

Yttrium

Y

23.68

0.75

8.33

88.9058520

66.6793890

Rare Earth

REE

12.78

0.25

2.78

144.0000000

36.0000000

Anal­y­sis wt%

SiO2 : 28.17, Nb2O5 : 1.23, TiO2 : 35.23, SnO2 : 0.70, Y2O3 : 7.86, REE as Ce2O3 : 10.67, CaO : 8.33, Na2O : 5.61, F : 1.45, Ln2O3 : 18.53 (Ref: calc)

Strunz 9th edi­tion incl. updates

9.AG.15

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
G: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in meist [6] und > [6] Koordination
15:Titanit-Gruppe

Lapis Clas­sifica­tion

VIII/B.12-025

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
12: Kationen mit Koordinationszahlen zwischen [8] und [12]

Clas­sifica­tion by Hölzel

9.AG.425

9: SILICATES
A: Nesosilicates
G: Nesosilicates with Cation: O
4: C small + large; Titanite-Group

IMA sta­tus

anerkannt - CNMNC - New minerals and nomenclature modifications approved in Jun. 2011

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

max. Birefrin­gence

0.126

Birefringence chart\! Natrotitanite title=Birefringence chart Natrotitanite

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

1.904

RI value γ / ε

2.030

Ri mean

1.965~

2V angle

Biaxial

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell param­e­ters a (Å)

6.569

Cell param­e­ters b (Å)

8.687

Cell param­e­ters c (Å)

7.092

Cell param­e­ters a/b or c/a

0.756

Cell param­e­ters c/b

0.816

Cell param­e­ters α

90°

Cell param­e­ters β

114.12

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

369.37

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

4.941(30), 3.248(80), 2.994(60), 2.597(100), 2.273(30), 2.067(20), 1.641(40), 1.498(30)

XRD chart Natrotitanite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.064 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kasachstan/Schyghys Qasaqstan oblysy (Ostkasachstan)/Tarbagatai-Gebirge/Verkhnee-Espe-Massiv

Type mate­r­ial

Geological Scientific Museum of the Satpaev Institute of Geological Sciences

Col­lec­tion number of type mate­r­ial

3010

Preface

Author (Name, Year)

A.V. Stepanov, G.K. Bekenova, V.L. Levin and F.C. Hawthorne (2011)

References

Stepanov, A.V., Bekenova, G.K., Levin, V.L. and Hawthorne, F.C. (2011) Natrotitanite, IMA 2011-033. CNMNC Newsletter No. 10, October 2011, page 2555;

Other languages

German

Natrotitanit

English

Natrotitanite

Russian

Натротитанит

CNMNC (IMA)-Number

IMA 2011-033

CNMNC symbol

Symbol

Nttn

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Натротитанит

Mineral Dealer

German pages

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

Locations with GPS information