Gananite Mineral Data

Gananite Mineral Data +

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General Gananite Information

Chemical Formula:

BiF3

Composition:

Molecular Weight = 265.98 gm

Bismuth 78.57 % Bi 87.59 % Bi₂O₃

Fluorine 21.43 % F 21.43 % F

- % F -9.02 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

BiF₃

Environment:

In wolframite-bearing quartz veins.

IMA Status:

Approved IMA 1984

Locality:

Ganan area, Laikeng district, southern Jiangxi Province, China. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Synonym:

ICSD 24522

PDF 39-345

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Gananite Crystallography

Cell Dimensions:

a = 5.825, Z = 4; V = 197.65 Den(Calc)= 8.94

Crystal System:

Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: P 43m

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

By Intensity(I/I_o): 3.37(1), 2.057(0.9), 1.756(0.8),

Physical Properties of Gananite

Cleavage:

None

Color:

Brown, Black, Greenish black.

Diaphaniety:

Subtranslucent to Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.

Hardness:

3.5 - Copper Penny

Luster:

Resinous - Metallic

Streak:

dark gray

Optical Properties of Gananite

Optical Data:

Isotropic.

NCalc= 2.29 - from Gladstone-Dale relationship (KC = 0.1441) where Ncalc=Dcalc*KC+1

RL Color:

Gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Gananite in Air**
λ	R	∑ R(λ)
407 nm	11.08
435 nm	12.31
546 nm	12.73
591 nm	12.92
621 nm	12.96
647 nm	13.27

**Calculated Relative Intensity Colors of Gananite in Air**
Relative Intensity	0%	80%	100%	160%	240%	320%	400%	480%	560%	640%	720%	750%
R

Calculated Properties of Gananite

Electron Density:

r_electron=7.39 gm/cc
note: r_Gananite=8.94 gm/cc.

Fermion Index

Fermion Index = 7.8571265E-7
Boson Index = 0.9999992143

Photoelectric:

PE_Gananite=1,528.81 barns/electron
U=PE_Gananite x r_electron=11305.05 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Gananite is Not Radioactive

Gananite Classification

Dana Class:

9.3.5.1 (9)Anhydrous and Hydrated Halides

(9.3)Dana Type

(9.3.5)Dana Group

9.3.5.1 Gananite BiF3 P 43m 4 3m

Strunz Class:

III/A.11-10 III - Halogenides

III/A - Simple Halogenides, without water Metal : Halogen = 1 : 2, 1 : 3

III/A.11 - Fluorite series and related compounds

III/A.11-10 Gananite BiF3 P 43m 4 3m

Other Gananite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.73,p1494,1988) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Gananite :
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 -École des Mines de Paris

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

Gananite

BiF3
Dana No: 9.3.5.1 Strunz No: III/A.11-10
Locality:

Notes: