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Stibiotantalite

Pictures (4 Images total)

Stibiotantalit
Views (Image: 1324314220): 2103, Rating: 8
Stibiotantalit

Größe: 18x15x01 mm; Fundort: Himalaya Mine, Mesa Grande District, San Diego Co., Kalifornien, USA

Copyright: Rob Lavinsky
Contribution: slugslayer 2011-12-19
Locality: Himalaya Mine / Gem Hill / Mesa Grande District / San Diego Co. / Kalifornien (California) / USA
Stibiotantalit, Tantalit-(Fe)
Views (Image: 1324315864): 2287
Stibiotantalit, Tantalit-(Fe)

Stibiotantalitkristalle mit gelbem Tantalit-Fe;
Größe: 30x20x10 mm;
Fundort: Cryo-Genie Mine, Warner Springs, Warner Springs District, San Diego Co., Kalifornien, USA

Copyright: Rob Lavinsky
Contribution: slugslayer 2011-12-19
Locality: Cryo-Genie Mine / Warner Springs / Warner Springs District / San Diego Co. / Kalifornien (California) / USA
Stibiotantalit
Views (Image: 1324314289): 2203
Stibiotantalit

Größe: 32x21x06 mm; Fundort: Himalaya Mine, Mesa Grande District, San Diego Co., Kalifornien, USA

Copyright: Rob Lavinsky
Contribution: slugslayer 2011-12-19
Locality: Himalaya Mine / Gem Hill / Mesa Grande District / San Diego Co. / Kalifornien (California) / USA
Stibiotantalit (braun) und Stibiomikrolith (gelb)
Views (Image: 1613676349): 130
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 braun, grünlichgelb, gelb, hellgelbbraun, dunkelbraun
Streak color hellgelb
Lustre Harzglanz, Wachsglanz
Hardness (Mohs) 5.5
Solubility +++ HF, - Säuren
Crystal System orthorhombisch, Pc21n

Chemism

Chem­ical formula

Sb3+TaO4

Chem­ical com­po­si­tion

Antimon, Tantal, Sauerstoff

Unit weight: 366.70573 u; Number of atoms in the formula: 6

Info

Empirical formula:

SbTaO4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

17.45

4

66.67

15.9994300

63.9977200

Antimony

Sb

33.20

1

16.67

121.7601000

121.7601000

Tantalum

Ta

49.34

1

16.67

180.9479100

180.9479100

Anal­y­sis wt%

Sb2O3 : 40.64, Ta2O5 : 57.29, Nb2O5 : 1.79 (Ref: Dana, 7th ed. 1)

Strunz 9th edi­tion incl. updates

4.DE.30

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
E: Mit mittelgroßen [Kationen]; Mit verschiedenen Polyedern
30:Stibiotantalit-Gruppe

Lapis Clas­sifica­tion

IV/D.25-030

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)
25: Stibiotantalit-Gruppe

Clas­sifica­tion by Hölzel

4.DK.120

4: OXIDES
D: Dioxides
K: Other Niobates, Tantalates
1: Cervantite-Group

Dana 8th edi­tion

08.01.06.02

08: Multiple Oxides with Nb, Ta, and Ti
01: Multiple Oxides with Nb, Ta, and Ti where A BO4
06: Stibiocolumbite Group

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

braun, grünlichgelb, gelb, hellgelbbraun, dunkelbraun

Streak color

hellgelb

Diaphane­ity (Trans­parency)

transparent, durchscheinend

Lus­tre

Harzglanz, Wachsglanz

max. Birefrin­gence

0.083

Birefringence chart\! Stibiotantalite title=Birefringence chart Stibiotantalite

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

2.374

RI value β

2.404

RI value γ / ε

2.457

Ri mean

2.412

2V angle

Biaxial (+) 75°

Ori­enta­tion

X = a, Y = b, Z = c

Dis­per­sion

stark, r < v

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mm2

Space Group number

33

Space Group

Pc21n

Cell param­e­ters a (Å)

4.916

Cell param­e­ters b (Å)

5.542

Cell param­e­ters c (Å)

11.78

Cell param­e­ters a/b or c/a

0.887

Cell param­e­ters c/b

2.126

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

320.94

X-Ray Pow­der Diffrac­tion

3.55(50),
3.13(100),
2.96(50),
2.678(50),
1.817(50),
1.735(50),
1.715(50),
1.626(50)

XRD chart Stibiotantalite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.5

VHN (Hard­ness Vick­ers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

7.34 (gemssen) 7.583 (berechnet)

7.589 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HF, - Säuren

(Co-)Type locality

(Co-)Type locality

Australien/Western Australia/Blackwood River/Greenbushes Tinfield/Seifen

Type mate­r­ial

Western Australian Museum, Perth, Astralien

Harvard University, Cambridge, Massachusetts, USA

Col­lec­tion number of type mate­r­ial

MDC550 (Australien), 111954 (USA)

Preface

Name from

Aus dem Lateinischen für Antimon (STIBIum) in der Zusammensetzung und der Verwandtschaft zu Tantalit.

Author (Name, Year)

Goyder, 1893

References

Transactions and Proceedings and Report of the Royal Society of South Australia 17 (1893), 127

Chemical Communications (1965), 611

Handbook of Mineralogy (Anthony et al.), 3 (1997), 532

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Cervantite

Sb3+Sb5+O4

orthorhombisch : mm2 : Pna21

4.DE.30

Kyawthuite

Bi3+Sb5+O4

monoklin : 2/m : I2/c

4.DE.30

Stibiocolumbite

SbNbO4

orthorhombisch : mm2 : Pc21n

4.DE.30

Stibiotantalite

Sb3+TaO4

orthorhombisch : mm2 : Pc21n

4.DE.30

Bismutocolumbite

Bi(Nb,Ta)O4

orthorhombisch : mmm : Pcnn

4.DE.30

Bismutotantalite

Bi(Ta,Nb)O4

orthorhombisch : mmm : Pcnn

4.DE.30

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Clinocervantite

Sb3+Sb5+O4

monoklin : 2/m : C2/c

IV/D.25-005

Cervantite

Sb3+Sb5+O4

orthorhombisch : mm2 : Pna21

IV/D.25-010

Stibiocolumbite

SbNbO4

orthorhombisch : mm2 : Pc21n

IV/D.25-020

Stibiotantalite

Sb3+TaO4

orthorhombisch : mm2 : Pc21n

IV/D.25-030

Bismutocolumbite

Bi(Nb,Ta)O4

orthorhombisch : mmm : Pcnn

IV/D.25-035

Bismutotantalite

Bi(Ta,Nb)O4

orthorhombisch : mmm : Pcnn

IV/D.25-040

Chiluite

Bi3Te6+Mo6+O10.5

IV/D.25-070

Gelosaite

BiMo6+(2-5x)Mo5+6xO7(OH)·H2O {0≤x≤0.4}

monoklin : 2/m : P21/n

IV/D.25-075

Mambertiite

BiMo5+2.80O8(OH)

triklin : 1 : P1

IV/D.25-077

Sardignaite

BiMo2O7(OH)·2H2O

monoklin : 2/m : P21/m

IV/D.25-080

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Cervantite

Sb3+Sb5+O4

orthorhombisch : mm2 : Pna21

4.DK.100

Clinocervantite

Sb3+Sb5+O4

monoklin : 2/m : C2/c

4.DK.105

Stibiocolumbite

SbNbO4

orthorhombisch : mm2 : Pc21n

4.DK.110

Stibiotantalite

Sb3+TaO4

orthorhombisch : mm2 : Pc21n

4.DK.120

Bismutotantalite

Bi(Ta,Nb)O4

orthorhombisch : mmm : Pcnn

4.DK.130

Bismutocolumbite

Bi(Nb,Ta)O4

orthorhombisch : mmm : Pcnn

4.DK.140

Rosiaite

PbSb2O6

trigonal : 3m : P31m

4.DK.150

Alumotantite

AlTaO4

orthorhombisch : mmm : Pbcn

4.DK.160

Simpsonite

Al4Ta3O13(OH)

trigonal : 3 : P3

4.DK.180

Bahianite

Al5Sb5+3O14(OH)2

monoklin : 2/m : C2/m

4.DK.190

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Fergusonite-(Y)

YNbO4

tetragonal : 4/m : I41/a

08.01.01.01

Formanite-(Y)

YTaO4

monoklin : 2/m : P2/a

08.01.01.02

'Fergusonite-(Ce)'

CeNbO4

tetragonal : 4/m : I41/a

08.01.01.03

Yttrotantalite-(Y)

(Y,U,Fe2+)(Ta,Nb)(O,OH)4

08.01.03.01

'Yttrocolumbite-(Y)'

(Y,U,Fe2+)(Nb,Ta)O4

08.01.03.02

Ishikawaite

(U,Fe,Y)NbO4

08.01.04.01

Loranskite-(Y)

(Y,Ce,Ca)ZrTaO6

08.01.05.01

Stibiocolumbite

SbNbO4

orthorhombisch : mm2 : Pc21n

08.01.06.01

Stibiotantalite

Sb3+TaO4

orthorhombisch : mm2 : Pc21n

08.01.06.02

Bismutotantalite

Bi(Ta,Nb)O4

orthorhombisch : mmm : Pcnn

08.01.06.03

Bismutocolumbite

Bi(Nb,Ta)O4

orthorhombisch : mmm : Pcnn

08.01.06.04

Alumotantite

AlTaO4

orthorhombisch : mmm : Pbcn

08.01.07.01

Wodginite

Mn2+Sn4+Ta2O8

monoklin : 2/m : C2/c

08.01.08.01

Ferrowodginite

(Fe2+,Mn2+)(Sn,Ti,Fe3+,Ta)(Ta,Nb)2O8

monoklin : 2/m : C2/c

08.01.08.02

Titanowodginite

(Mn2+,Fe2+)(Ti,Sn,Ta,Sc)(Ta,Nb)2O8

monoklin : 2/m : C2/c

08.01.08.03

Lithiowodginite

(Li,Mn,Fe)(Ta,Nb,Sn)3O8

monoklin : 2/m : C2/c

08.01.08.04

Ferrotitanowodginite

(Fe2+,Mn2+)(Ti,Sn4+,Ta,Fe3+)(Ta,Nb)2O8

monoklin : 2/m : C2/c

08.01.08.05

Liandratite

U6+(Nb,Ta)2O8

trigonal : 3m : P31m

08.01.09.01

Petscheckite

U4+Fe2+Nb2O8

trigonal : 3m : P31m

08.01.09.02

Other languages

Spanish

Estibiotantalita

German

Stibiotantalit

English

Stibiotantalite

French

Stibiotantalite

Russian

Стибиотанталит

Alternative Name

Spanish

Stibiotantalita

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

German pages

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English pages

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Russian pages

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Locations with GPS information