Vismirnovite Mineral Data

Vismirnovite Mineral Data +

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General Vismirnovite Information

Chemical Formula:

ZnSn++++(OH)6

Composition:

Molecular Weight = 286.14 gm

Zinc 22.85 % Zn 28.44 % ZnO

Tin 41.49 % Sn 52.67 % SnO₂

Hydrogen 2.11 % H 18.89 % H₂O

Oxygen 33.55 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

ZnSn(OH)₆

IMA Status:

Approved IMA 1981

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 24961

PDF 33-1378

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Vismirnovite Crystallography

Cell Dimensions:

a = 7.69, Z = 4; V = 454.76 Den(Calc)= 4.18

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P n3m

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

By Intensity(I/I_o): 3.84(1), 1.72(0.9), 1.57(0.8),

Crystal Structure:

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Cohen-Addad C , Bulletin de la Societe Francaise de Mineralogie et de Cristallographie , 90 (1967) p.32-35, Etude des hydroxystannates CaSn(OH)6 et ZnSn(OH)6 par, diffraction des rayons X et resonance magnetique nucleaire, Locality: synthetic, Note: schoenfliesite group

Physical Properties of Vismirnovite

Cleavage:

None

Color:

Light yellow.

Density:

4.073

Diaphaniety:

Transparent

Hardness:

4 - Fluorite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Vismirnovite

Gladstone-Dale:

CI meas= 0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.047 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1758,KPDmeas= 0.1805,KC= 0.1845

Optical Data:

Isotropic, n=1.735.

Calculated Properties of Vismirnovite

Electron Density:

r_electron=3.81 gm/cc
note: r_Vismirnovite=4.07 gm/cc.

Fermion Index

Fermion Index = 0.07848
Boson Index = 0.92152

Photoelectric:

PE_Vismirnovite= 133.72 barns/electron
U=PE_Vismirnovite x r_electron= 510.09 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Vismirnovite is Not Radioactive

Vismirnovite Classification

Dana Class:

6.3.6.4 (6)Hydroxides and Oxides Containing Hydroxyl

(6.3)with (OH)3 or (OH)6 groups

(6.3.6)Wickmanite group (Cubic or Trigonal, 2+ cations containing Sn)

6.3.6.1 Wickmanite MnSn(OH)6 P n3m 4/m 3 2/m

6.3.6.2 Schoenfliesite MgSn(OH)6 P n3 2/m 3

6.3.6.3 Natanite FeSn(OH)6 P n3m 4/m 3 2/m

6.3.6.4 Vismirnovite ZnSn(OH)6 P n3m 4/m 3 2/m

6.3.6.5 Burtite CaSn(OH)6 R 3 3

6.3.6.6 Mushistonite (Cu,Zn,Fe)Sn(OH)6 P n3m 4/m 3 2/m

Strunz Class:

IV/F.16-60 IV - Oxides

IV/F - Hydroxides and oxidic hydrates, water-bearing oxides with layered structure

IV/F.16 - Schoenfliesite group

IV/F.16-10 Schoenfliesite MgSn(OH)6 P n3 2/m 3

IV/F.16-20 Burtite CaSn(OH)6 R 3 3

IV/F.16-30 Wickmanite MnSn(OH)6 P n3m 4/m 3 2/m

IV/F.16-40 Natanite FeSn(OH)6 P n3m 4/m 3 2/m

IV/F.16-50 Mushistonite (Cu,Zn,Fe)Sn(OH)6 P n3m 4/m 3 2/m

IV/F.16-60 Vismirnovite ZnSn(OH)6 P n3m 4/m 3 2/m

Other Vismirnovite Information

References:

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

See Also:

Links to other databases for Vismirnovite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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

Vismirnovite

ZnSn++++(OH)6
Dana No: 6.3.6.4 Strunz No: IV/F.16-60
Locality:

Notes: