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Stibiomicrolite

Pictures (2 Images total)

Stibiomikrolith
Views (File:
1294662123
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Stibiomikrolith
Bildbreite: 2 mm; Fundort: Alto Ligonha Pegmatite, Provinz Zambezia, Mosambik
Copyright: Luigi Chiappino; Contribution: slugslayer
Location: Mosambik/Zambezia, Provinz/Alto Ligonha Pegmatite
Mineral: Stibiomicrolite
Image: 1294662123
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Stibiomikrolith

Bildbreite: 2 mm; Fundort: Alto Ligonha Pegmatite, Provinz Zambezia, Mosambik

Copyright: Luigi Chiappino
Contribution: slugslayer 2011-01-10
Locality: Alto Ligonha Pegmatite / Zambezia, Provinz / Mosambik
Stibiotantalit (braun) und Stibiomikrolith (gelb)
Views (File:
1613676349
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Stibiotantalit (braun) und Stibiomikrolith (gelb)
Varuträsk, Skelleftea, Västerbotten, SE. BB: 3cm.
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Schweden/Västerbotten, Provinz/Skelleftea/Varuträsk
Mineral: Stibiomicrolite, Stibiotantalite
Image: 1613676349
License: Usage for Mineralienatlas project only
Stibiotantalit (braun) und Stibiomikrolith (gelb)

Varuträsk, Skelleftea, Västerbotten, SE. BB: 3cm.

Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2021-02-18
Locality: Varuträsk / Skelleftea / Västerbotten, Provinz / Schweden

Collectors Summary

Color grünlichweiß, weiß
Streak color weiß
Hardness (Mohs) 4
Crystal System kubisch, Fd3m

Additional information / Summary

Das Typmaterial von Groat et al. (1987) und Novák & Černý (1998) sind neu als Oxystibiomikrolith klassifiziert worden.

Die Proben von Černý et al. (2004) sind Oxycalciomikrolith und Calciomikrolith. Der Stibiomikrolith von Beurlen et al. (2005) ist ein nullwertig-dominates Mitglied der Mikrolith-Gruppe

Chemism

Chem­ical formula

(Sb,Ca,Na)2(Ta,Nb)2(O,OH)7

Chem­ical com­po­si­tion

Antimon, Calcium, Natrium, Niob, Tantal, Sauerstoff, Wasserstoff

Unit weight: 606.39208729 u; Number of atoms in the formula: 12.75

Info

Empirical formula:

(Sb0.6Ca0.3Na0.1)2(Ta0.75Nb0.25)2(O0.75(OH)0.25)7

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.29

1.75

13.73

1.0079470

1.7639073

Oxygen

O

18.47

7

54.90

15.9994300

111.9960100

Sodium

Na

0.76

0.2

1.57

22.9897702

4.5979540

Calcium

Ca

3.97

0.6

4.71

40.0784000

24.0470400

Niobium

Nb

7.66

0.5

3.92

92.9063820

46.4531910

Antimony

Sb

24.10

1.2

9.41

121.7601000

146.1121200

Tantalum

Ta

44.76

1.5

11.76

180.9479100

271.4218650

Strunz 9th edi­tion incl. updates

4.DH.15

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
H: Mit großen (± mittelgroßen) [Kationen]; Lagen kantenverknüpfter Oktaeder
15:Pyrochlor-Gruppe

Dana 8th edi­tion

08.02.02.07

08: Multiple Oxides with Nb, Ta, and Ti
02: Multiple Oxides with Nb, Ta, and Ti where (A)2 (B2O6) (O,OH,F)
02: Pyrochlore Group (Microlite Subgroup; Ta>Nb;(Ta+Nb)>2(Ti)

IMA sta­tus

diskreditiert - The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

Min­eral sta­tus

Varietät

Var­i­ety / poly­type of

Microlite group

Optical Properties

Color

grünlichweiß, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend bis opak

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

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

X-Ray Pow­der Diffrac­tion

6.03(80),
3.14(90),
3.01(100),
2.61(70),
2.010(50),
1.846(70),
1.765(40),
1.575(80)

XRD chart Stibiomicrolite

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

Physical Properties

Hard­ness (Mohs)

4

(Co-)Type locality

(Co-)Type locality

Schweden/Västerbotten, Provinz/Skelleftea/Varuträsk

Preface

Author (Name, Year)

Quensel & Berggren, 1938

References

Geologiska Föreningens i Stockholm Förhandlingar 109 (1987), 1050

The Pyrochlore Supergroup of Minerals: Nomenclature; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

Other languages

Spanish

Estibiomicrolita

English

Stibiomicrolite

French

Stibiomicrolite

German

Stibiomikrolith

Russian

Стибиомикролит

Alternative Name

Stibiomicrolit

Stibiomicrolita

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Стибиомикролит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Stibiomikrolith
Crystal-Treasure.com - search for: Stibiomikrolith
Bosse - search for: Stibiomikrolith
Edelsteine Neuburg - Gundolf Fischer - search for: Stibiomikrolith
Geolitho marketplace, by and for collectors - search for: Stibiomikrolith

Locations with GPS information