Zavaritskite Mineral Data

Zavaritskite Mineral Data +

General Zavaritskite Information

Chemical Formula:

BiOF

Composition:

Molecular Weight = 243.98 gm

Bismuth 85.66 % Bi 95.49 % Bi₂O₃

Oxygen 6.56 % O

Fluorine 7.79 % F 7.79 % F

- % F -3.28 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

BiOF

IMA Status:

Approved IMA 1962

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 201620

PDF 22-114

Zavaritskite Image

Images:

Zavaritskite

Comments: Green to greenish black zavaritskite in purplish fluorite.
Location: Josef Fluorite Mine, Moldava, Severocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Zavaritskite Crystallography

Axial Ratios:

a:c = 1:1.66159

Cell Dimensions:

a = 3.747, c = 6.226, Z = 2; V = 87.41 Den(Calc)= 9.27

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/nmm

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

By Intensity(I/I_o): 1.618(1), 1.873(1), 2.645(1),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Wyckoff R W G , Crystal Structures , 1 (1963) p.294-296, Second edition. Interscience Publishers, New York, New York, Note: tetragonal PbFCl structure

Physical Properties of Zavaritskite

Color:

Gray, Colorless.

Density:

7.88 - 9, Average = 8.44

Diaphaniety:

Subtranslucent to Opaque

Hardness:

2-2.5 - Gypsum-Finger Nail

Luster:

Resinous - Metallic

Streak:

gray white

Optical Properties of Zavaritskite

Gladstone-Dale:

CI meas= 0.042 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.127 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1307,KPDmeas= 0.1435,KC= 0.1498

Optical Data:

Uniaxial (+/-), a=2.21, b=2.213, bire=0.0030.

Calculated Properties of Zavaritskite

Electron Density:

r_electron=6.92 gm/cc
note: r_Zavaritskite=8.44 gm/cc.

Fermion Index

Fermion Index = 0.00003
Boson Index = 0.99997

Photoelectric:

PE_Zavaritskite=1,681.61 barns/electron
U=PE_Zavaritskite x r_electron=11634.44 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Zavaritskite is Not Radioactive

Zavaritskite Classification

Dana Class:

10.2.1.1 (10)Oxyhalides and Hydroxyhalides

(10.2)where A (O,OH) Xq

(10.2.1)Dana Group

10.2.1.1 Zavaritskite BiOF P 4/nmm 4/m 2/m 2/m

10.2.1.2 Bismoclite BiOCl P 4/nmm 4/m 2/m 2/m

10.2.1.3 Daubreeite BiO(OH,Cl) P 4/nmm 4/m 2/m 2/m

Strunz Class:

III/D.10-70 III - Halogenides

III/D - Oxi-halogenides with Pb - Bi - Sb and related compounds

III/D.10 - Cotunnite - Matlockite series

III/D.10-10 Fiedlerite Pb3Cl4F(OH)2 P1 1

III/D.10-20 Paralaurionite PbCl(OH) C 2/m 2/m

III/D.10-30 Laurionite PbCl(OH) Pnam 2/m 2/m 2/m

III/D.10-40 Cotunnite PbCl2 Pnam 2/m 2/m 2/m

III/D.10-50 Pseudocotunnite K2PbCl4(?) P nma 2/m 2/m 2/m

III/D.10-60 Matlockite PbFCl P 4/nmm 4/m 2/m 2/m

III/D.10-65 Rorisite (Ca,Mg)FCl P 4/nmm 4/m 2/m 2/m

III/D.10-70 Zavaritskite BiOF P 4/nmm 4/m 2/m 2/m

III/D.10-80 Bismoclite BiOCl P 4/nmm 4/m 2/m 2/m

III/D.10-90 Daubreeite BiO(OH,Cl) P 4/nmm 4/m 2/m 2/m

III/D.10-140 Symesite! Pb10(SO4)O7Cl4·(H2O) B1 1

Other Zavaritskite 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 Zavaritskite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 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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Zavaritskite

BiOF
Dana No: 10.2.1.1 Strunz No: III/D.10-70
Locality:

Notes: