Frankdicksonite Mineral Data

General Frankdicksonite Information

Chemical Formula:

BaF2

Composition:

Molecular Weight = 175.32 gm

Barium 78.33 % Ba 87.45 % BaO

Fluorine 21.67 % F 21.67 % F

- % F -9.13 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

BaF₂

Environment:

Hydrothermal origin, encased in quartz veinlets cutting a gold deposit in silicified carbonaceous arsenic-rich limestone.

IMA Status:

Approved IMA 1974

Locality:

Carlin mine, 50 km northwest of Elko, Lynn district, Eureka Co., Nevada, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Frank Wilson Dickson (1922- ), Professor of Geochemistry, Stanford University, Palo Alto, California, USA.

Name Pronunciation:

Frankdicksonite + Pronunciation

Synonym:

ICSD 64717

PDF 4-452

Frankdicksonite Image

Images:

Frankdicksonite

Comments: Cubic crystals of frankdicksonite. AmMin v59:885.
Location: Carlin gold deposit, Eureka County, Nevada, USA. Scale: See Image.
© American Mineralogist

Frankdicksonite Crystallography

Cell Dimensions:

a = 6.1964, Z = 4; V = 237.91 Den(Calc)= 4.89

Crystal System:

Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m

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

By Intensity(I/I_o): 3.581(1), 2.191(0.56), 1.87(0.47),

Physical Properties of Frankdicksonite

Cleavage:

{111} Perfect

Color:

Colorless.

Density:

4.89

Diaphaneity:

Transparent

Hardness:

3 - Calcite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Frankdicksonite

Optical Data:

Isotropic, n=1.475.

Calculated Properties of Frankdicksonite

Electron Density:

Bulk Density (Electron Density)=4.13 gm/cc
note: Specific Gravity of Frankdicksonite =4.89 gm/cc.

Fermion Index:

Fermion Index = 0.13
Boson Index = 0.87

Photoelectric:

PE_{Frankdicksonite}= 372.02 barns/electron
U=PE_{Frankdicksonite} x rElectron Density=1,535.66 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Frankdicksonite is Not Radioactive

Frankdicksonite Classification

Dana Class:

09.02.01.02 (09)Anhydrous and Hydrated Halides

(09.02)where A (X)2

(09.02.01)Fluorite Group

09.02.01.01 Fluorite CaF2 F m3m 4/m 3 2/m

09.02.01.02 Frankdicksonite BaF2 F m3m 4/m 3 2/m

09.02.01.03 Tveitite-(Y) Ca1-xYxF2x,x~0.3 Unk Mono

09.02.01.04 IMA2009-014 SrF2 F m3m 4/m 3 2/m

Strunz Class:

03.AB.25 03 - HALIDES

03.A - Simple Halides, Without H2O

03.AB -M:X = 1:2

03.AB.25 Fluorite CaF2 F m3m 4/m 3 2/m

03.AB.25 Frankdicksonite BaF2 F m3m 4/m 3 2/m

Other Frankdicksonite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Frankdicksonite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Frankdicksonite

BaF2
Dana No: 09.02.01.02 Strunz No: 03.AB.25
Locality:

Notes:

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