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Uhligite

Collectors Summary

Color schwarz-met.
Streak color bräunlichgrau
Hardness (Mohs) 5.5
Crystal System kubisch,

Additional information / Summary

Uhligit (nach Hauser) = Perovskit oder Zirkelit (Clark (1993), 721.)

Chemism

Chemical formula

Ca3(Ti,Al,Zr)9O20

Chemical composition

Aluminium, Calcium, Titan, Zirconium, Sauerstoff

Unit weight: 853.65807314 u; Number of atoms in the formula: 32

Info

Empirical formula:

Ca3(Ti0.6Al0.3Zr0.1)9O20

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

37.48

20

62.50

15.9994300

319.9886000

Aluminium

Al

8.53

2.7

8.44

26.9815382

72.8501531

Calcium

Ca

14.08

3

9.38

40.0784000

120.2352000

Titanium

Ti

30.28

5.4

16.88

47.8671000

258.4823400

Zirconium

Zr

9.62

0.9

2.81

91.2242000

82.1017800

Analysis wt%

CaO : 19.00, Al2O3 : 10.50, TiO2 : 48.25, ZrO2 : 21.95 (Ref: Dana, 7th ed. 1)

Strunz 9th edition incl. updates

4.CC.30

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
C: Mit großen und mittelgroßen Kationen
30:Perowskit-Gruppe

Classification by Hölzel

4.CO.130

4: OXIDES
C: R2O3 Sesquioxides
O: Pseudopyrochlore-Group

IMA status

diskreditiert, IMA Massendiskreditierung 11/2006 (Antrag 06-C)

Mineral status

Mineralstatus fragwürdig

Optical Properties

Color

schwarz-met.

Streak color

bräunlichgrau

Crystallography

Crystal System

kubisch

Cell parameters a (Å)

7.639

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

1

Volume (ų)

445.769

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

Density (g/cm³)

4.15 (gemessen)

3.18 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kenia/Kajiado County/South Rift Valley/Lake Magadi

Preface

Author (Name, Year)

Hauser, 1909

References

Canadian Mineralogist Vol. 44, pp. 1557-1560 (2006)

Other languages

German

Uhligit

Spanish

Uhligita

English

Uhligite

French

Uhligite

Japanese

ウレガイト

Locations with GPS information

IDs

GUSID (Global unique identifier short form) MLrRFR2maUWeeqOObTRhgg
GUID (Global unique identifier) 15D1BA30-A61D-4569-9E7A-A38E6D346182
Database ID 3966