Stibivanite Mineral Data

Stibivanite Mineral Data +

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General Stibivanite Information

Chemical Formula:

Sb+++2V++++O5

Composition:

Molecular Weight = 374.44 gm

Vanadium 13.60 % V 24.29 % V₂O₅

Antimony 65.03 % Sb 77.85 % Sb₂O₃

Oxygen 21.36 % O

______ ______

100.00 % 102.14 % = TOTAL OXIDE

Empirical Formula:

Sb₂V⁵⁺O₅

IMA Status:

Approved IMA 1981

Locality:

Link to MinDat.org Location Data.

Synonym:

IMA1980-021

Stibivanite Image

Images:

Stibivanite

Comments: Green crystals of stibivanite on matrix.
Location: Buca della Vena Mine, Stazzema (Ponte Stazzemese), Versilia, Apuan Alps, Lucca Province, Tuscany, Italy. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Stibivanite Crystallography

Axial Ratios:

a:b:c =3.7536:1:1.1476

Cell Dimensions:

a = 17.989, b = 4.7924, c = 5.5, Z = 4; beta = 95.15° V = 472.24 Den(Calc)= 5.27

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.996(1), 3.173(0.7), 3.502(0.7),

Crystal Structure:

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Szymanski J T , The Canadian Mineralogist , 18 (1980) p.333-337, A redetermination of the structure of Sb2VO5, stibivanite, a new mineral

View Additional jPOWD Structure files for Stibivanite
[1]

Physical Properties of Stibivanite

Cleavage:

[???] Good

Color:

Yellow green, Dark yellow green, Emerald green.

Density:

5.12

Diaphaniety:

Transparent to Translucent

Hardness:

4 - Fluorite

Luster:

Adamantine

Streak:

green

Optical Properties of Stibivanite

Optical Data:

NCalc= 2.27 - from Gladstone-Dale relationship (KC = 0.2406) where Ncalc=Dcalc*KC+1
NCalc= 2.23 - from Gladstone-Dale relationship (KC = 0.2406) where Ncalc=Dmeas*KC+1

Calculated Properties of Stibivanite

Electron Density:

r_electron=4.64 gm/cc
note: r_Stibivanite=5.27 gm/cc.

Fermion Index

Fermion Index = 0.00044
Boson Index = 0.99956

Photoelectric:

PE_Stibivanite= 219.81 barns/electron
U=PE_Stibivanite x r_electron=1,020.94 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Stibivanite is Not Radioactive

Stibivanite Classification

Dana Class:

45.1.11.1 (45)Acid and normal Antimonites, Arsenites and Phosphites

(45.1)with miscellaneous formulae

(45.1.11)Dana Group

45.1.11.1 Stibivanite Sb2VO5 C 2/c 2/m

Strunz Class:

IV/C.26-40 IV - Oxides

IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds)

IV/C.26 - Berdesinskiite - Stibivanite series

IV/C.26-10 Berdesinskiite V2TiO5 P 2/c or Pc Mono

IV/C.26-15 Olkhonskite (Cr,V)2Ti3O9 Unk Mono

IV/C.26-20 Schreyerite V2Ti3O9 Unk Mono

IV/C.26-30 Kyzylkumite V2Ti3O9 Unk Mono

IV/C.26-40 Stibivanite Sb2VO5 C 2/c 2/m

Other Stibivanite Information

References:

NAME( Athena) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Stibivanite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST

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Print or Cut-and-Paste your Stibivanite Specimen Label here :

Stibivanite

Sb+++2V++++O5
Dana No: 45.1.11.1 Strunz No: IV/C.26-40
Locality:

Notes: