Zhangpeishanite Mineral Data

General Zhangpeishanite Information

Chemical Formula:

BaFCl

Composition:

Molecular Weight = 190.92 gm

Barium 71.21 % Ba 79.50 % BaO

Chlorine 18.94 % Cl 18.94 % Cl

- % Cl -4.27 % -O=Cl₂

Fluorine 9.85 % F 9.85 % F

- % F -4.15 % -O=F₂

______ ______

100.00 % 99.87 % = TOTAL OXIDE

Empirical Formula:

Ba_0.99F_0.99Cl_1.02

Environment:

Found as inclusions in fluorite. Matlockite group.

IMA Status:

Approved IMA 2006 (Dana # Added)

Locality:

East Mine, Bayan Obo, Inner Mongolia, China. Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Synonym:

IMA2006-045

Zhangpeishanite Image

Images:

Zhangpeishanite

Comments: Inclusion of zhangpeishanite in massive fluorite.
Location: Bayan Obo, Inner Mongolia, China. Scale: See Image.
© Eur. J. Mineral

Zhangpeishanite Crystallography

Axial Ratios:

a:c = 1:1.64342

Cell Dimensions:

a = 4.3951, c = 7.223, Z = 2; V = 139.53 Den(Calc)= 4.54

Crystal System:

Tetragonal - Ditetragonal PyramidalH-M Symbol (4mm) Space Group: P 4/mmm

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

By Intensity(I/I_o): 3.75(1), 3.11(0.94), 2.36(0.82),2.79(0.67), 1.898(0.49), 1.67(0.39), 1.726(0.34), 2.2(0.32),

Physical Properties of Zhangpeishanite

Color:

Colorless.

Diaphaneity:

Transparent

Habit:

Inclusions - Generally found as inclusions in other minerals.

Hardness:

2.5 - Finger Nail

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Zhangpeishanite

Optical Data:

Uniaxial (-), e=1.652, w=1.656, bire=0.0040.

Calculated Properties of Zhangpeishanite

Electron Density:

Bulk Density (Electron Density)=3.89 gm/cc
note: Specific Gravity of Zhangpeishanite =4.54 gm/cc.

Fermion Index:

Fermion Index = 0.12
Boson Index = 0.88

Photoelectric:

PE_{Zhangpeishanite}= 334.98 barns/electron
U=PE_{Zhangpeishanite} x rElectron Density=1,301.42 barns/cc.

Radioactivity:

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

Zhangpeishanite Classification

Dana Class:

09.02.11.03 (09)Anhydrous and Hydrated Halides

(09.02)where A (X)2

(09.02.11)Matlockite Group

09.02.11.01 Matlockite PbFCl P 4/nmm 4/m 2/m 2/m

09.02.11.02 Rorisite (Ca,Mg)FCl P 4/nmm 4/m 2/m 2/m

09.02.11.03 Zhangpeishanite! BaFCl P 4/mmm 4mm

Strunz Class:

03.DC.25 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DC -With Pb (As,Sb,Bi), without Cu

03.DC.25 Bismoclite BiOCl P 4/nmm 4/m 2/m 2/m

03.DC.25 Daubreeite BiO(OH,Cl) P 4/nmm 4/m 2/m 2/m

03.DC.25 Matlockite PbFCl P 4/nmm 4/m 2/m 2/m

03.DC.25 Rorisite (Ca,Mg)FCl P 4/nmm 4/m 2/m 2/m

03.DC.25 Zavaritskite BiOF P 4/nmm 4/m 2/m 2/m

03.DC.25 Zhangpeishanite! BaFCl P 4/mmm 4mm

Other Zhangpeishanite Information

References:

NAME( EurJMin, v20:1141) PHYS. PROP.(EurJMin, v20:1141) OPTIC PROP.(EurJMin, v20:1141)

See Also:

Links to other databases for Zhangpeishanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Zhangpeishanite

BaFCl
Dana No: 09.02.11.03 Strunz No: 03.DC.25
Locality:

Notes: