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Żabińskiite

Collectors Summary

Color bräunlich
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) ~5
Crystal System triklin, A1

Chemism

Chemical formula

Ca(Al0.5Ta0.5)(SiO4)O

Empirical formula (analysis)

(Ca0.980Na0.015)Σ0.995 (Al0.340Fe3+0.029Ti0.298V0.001Zr0.001Sn0.005Ta0.251Nb0.081)Σ1.005 [(Si0.988Al0.012)O4.946F0.047(OH)0.007)Σ5.000]

Chemical composition

Aluminium, Calcium, Silicium, Tantal, Sauerstoff

Unit weight: 226.57580917315 u; Number of atoms in the formula: 8.008

Info

Empirical formula:

(Ca0.980Na0.015)(Al0.340Fe0.029Ti0.298V0.001Zr0.001Sn0.005Ta0.251Nb0.081) [(Si0.988Al0.012)O4.946F0.047(OH)0.007)]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.00

0.01

0.09

1.0079470

0.0070556

Oxygen

O

34.98

4.95

61.85

15.9994300

79.2451768

Fluorine

F

0.39

0.05

0.59

18.9984033

0.8929250

Sodium

Na

0.15

0.02

0.19

22.9897702

0.3448466

Aluminium

Al

4.19

0.35

4.40

26.9815382

9.4975014

Silicon

Si

12.25

0.99

12.34

28.0855300

27.7485036

Calcium

Ca

17.33

0.98

12.24

40.0784000

39.2768320

Titanium

Ti

6.30

0.3

3.72

47.8671000

14.2643958

Vanadium

V

0.02

0

0.01

50.9415100

0.0509415

Iron

Fe

0.71

0.03

0.36

55.8452000

1.6195108

Zirconium

Zr

0.04

0

0.01

91.2242000

0.0912242

Niobium

Nb

3.32

0.08

1.01

92.9063820

7.5254169

Tin

Sn

0.26

0.01

0.06

118.7107000

0.5935535

Tantalum

Ta

20.05

0.25

3.13

180.9479100

45.4179254

Lapis Classification

VIII/B.12-022

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

IMA status

anerkannt - CNMNC Newsletter No. 26, August 2015, page 945

Mineral status

anerkanntes Mineral

Optical Properties

Color

bräunlich

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

2V angle

Biaxial (-)

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

A1

Cell parameters a (Å)

7.031(2)

Cell parameters b (Å)

8.692(2)

Cell parameters c (Å)

6.561(2)

Cell parameters a/b or c/a

0.809

Cell parameters c/b

0.755

Cell parameters α

89.71(1)°

Cell parameters β

113.83(1)°

Cell parameters γ

90.35(1)º

Z

4

Volume (ų)

366.774

Crystal structure

Isostrukturell mit Titanit; Struktur bestimmt

X-Ray Powder Diffraction

4.939(65), 3.226(100), 3.001(98), 2.609(89), 2.283(20), 2.063(29), 1.740(18), 1.704(31)

XRD chart Żabińskiite

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

Physical Properties

Hardness (Mohs)

~5

Density (g/cm³)

3.897 (berechnet)

4.103 ( ρ calc. Mineralienatlas )

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Polen/Niederschlesien (Dolnoslaskie), Woiwodschaft/Reichenbach (Dzierżoniow), Powiat/Ober Peilau (Piława Górna)

Polen/Niederschlesien (Dolnoslaskie), Woiwodschaft/Reichenbach (Dzierżoniow), Powiat/Ober Peilau (Piława Górna)/Steinbruch/Julianna Pegmatit

Type material

Mineralogical Museum of the University of Wroclaw (Faculty of Earth Science and Environmental Management, Institute of Geological Sciences, Mineralogical Museum, 50-205 Wroclaw, Cybulskiego 30, Poland)

Collection number of type material

MMWr IV7675

Preface

Name from

Witold Stanisław Żabiński (1929–2007), polnischer Geologe, Mineraloge und Geochemiker

Author (Name, Year)

Adam Pieczka, Frank C. Hawthorne, Chi Ma, George R. Rossman, Philippe Buffat, Bogdan Rutkowski, Eligiusz Szałe˛g, Adam Szuszkiewicz, Krzysztof Turniak, Krzysztof Nejbert and Slawomir S. Ilnicki (2015)

References

Pieczka, A., Hawthorne, F.C., Ma, C., Rossman, G.R., Buffat, P., Rutkowski, B., Szałe˛g, E., Szuszkiewicz, A., Turniak, K., Nejbert, K. and Ilnicki, S.S. (2015) Żabińskiite, IMA 2015-033. CNMNC Newsletter No. 26, August 2015, page 945; Mineralogical Magazine, 79, 941 - 947.

http://www.researchgate.net/publication/279060480_PEG2015_Fieldtrip_Guidebook

Adam Pieczka, Frank C. Hawthorne, Chi Ma, George R. Rossman, Philippe Buffat, Bogdan Rutkowski, Eligiusz Szałe˛g, Adam Szuszkiewicz, Krzysztof Turniak, Krzysztof Nejbert and Slawomir S. Ilnicki - Żabińskiite, ideally Ca(Al0.5Ta0.5)(SiO4)O, a new mineral of the titanite group from the Piława Górna pegmatite, the Góry Sowie Block, southwestern Poland - Mineralogical Magazine, June 2017, Vol. 81(3), pp. 591–610

Other languages

German

Żabińskiit

English

Żabińskiite

Alternative Name

German

Zabinskiit

English

Zabinskiite

CNMNC (IMA)-Number

IMA 2015-033

CNMNC symbol

Symbol

Żbk

Locations with GPS information

IDs

GUSID (Global unique identifier short form) cBlYtRR0bkabTWalmkUpLQ
GUID (Global unique identifier) B5581970-7414-466E-9B4D-66A59A45292D
Database ID 7938