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Oxystannomicrolite

Additional Functions

Collectors Summary

Color rötlichbraun
Crystal System kubisch, Fd3m

Chemism

Chem­ical formula

Sn2Ta2O6O

Chem­ical com­po­si­tion

Tantal, Zinn, Sauerstoff

Unit weight: 711.31323 u; Number of atoms in the formula: 11

Info

Empirical formula:

Sn2Ta2O6O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

15.74

7

63.64

15.9994300

111.9960100

Tin

Sn

33.38

2

18.18

118.7107000

237.4214000

Tantalum

Ta

50.88

2

18.18

180.9479100

361.8958200

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

Lapis Clas­sifica­tion

IV/C.13-034

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
13: Pyrochlor-Gruppe; MIKROLITH-Untergruppe [Ta ± Nb]

Clas­sifica­tion by Hölzel

4.CI.240

4: OXIDES
C: R2O3 Sesquioxides
I: Microlite-Group, Ta-dominant on the B-site

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pyrochlore supergroup  ⇒ Microlite group

Optical Properties

Color

rötlichbraun

RI value α / ω / n

2.223

Ri mean

2.223

2V angle

Isotropisch

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters a (Å)

10.458

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°

Volumne (ų)

1143.789

X-Ray Pow­der Diffrac­tion

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

Finnland/Kanta-Häme, Landschaft/Tammela/Sukula Pegmatite

References

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

Bulletin de la Commission Géologique de Finlande 229 (1967), 173

Canadian Mineralogist 48 (2010), 673

IMA group assignments

Other languages

English

Oxystannomicrolite

German

Oxystannomikrolith

CNMNC symbol

Symbol

Omic

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

German pages

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

English pages

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

Mineral Dealer

German pages

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