Demicheleite-(Cl) Mineral Data

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General Demicheleite-(Cl) Information

Chemical Formula:

BiSCl

Composition:

Molecular Weight = 276.50 gm

Bismuth 75.58 % Bi

Sulfur 11.60 % S

Chlorine 12.82 % Cl

______

100.00 %

Empirical Formula:

BiSCl

IMA Status:

Proposed IMA 2008 (Dana # Added)

Locality:

La Fossa crater, Vulcano, Aeolian Islands, Italy Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Synonym:

IMA2008-020

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Demicheleite-(Cl) Crystallography

Axial Ratios:

a:b:c =0.7856:1:0.4018

Cell Dimensions:

a = 7.802, b = 9.93, c = 3.99, V = 309.12

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnam

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

By Intensity(I/I_o): 2.896(1), 4.174(0.45), 2.684(0.42),2.784(0.33), 1.725(0.3), 2.543(0.27), 1.992(0.25), 2.044(0.23),

Calculated Properties of Demicheleite-(Cl)

Fermion Index:

Fermion Index = 0.0008705416
Boson Index = 0.9991294584

Photoelectric:

PE_{Demicheleite-(Cl)}=1,451.31 barns/electron
U=PE_{Demicheleite-(Cl)} x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Demicheleite-(Cl) is Not Radioactive

Demicheleite-(Cl) Classification

Dana Class:

09.01.09.01 (09)Anhydrous and Hydrated Halides

(09.01)where A X

(09.01.09)Demicheleite Group

09.01.09.01 Demicheleite-(Cl)! BiSCl Pnam 2/m 2/m 2/m

09.01.09.02 Demicheleite-(Br)! BiSBr Pnam 2/m 2/m 2/m

Strunz Class:

02.FC.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O

02.FC -With Cl, Br, I (halide-sulfides)

02.FC.25 Demicheleite-(Br)! BiSBr Pnam 2/m 2/m 2/m

02.FC.25 Demicheleite-(Cl)! BiSCl Pnam 2/m 2/m 2/m

Other Demicheleite-(Cl) Information

See Also:

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

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Print or Cut-and-Paste your Demicheleite-(Cl) Specimen Label here :

Demicheleite-(Cl)

BiSCl
Dana No: 09.01.09.01 Strunz No: 02.FC.25
Locality:

Notes: