Hawleyite Mineral Data

General Hawleyite Information

Chemical Formula:

CdS

Composition:

Molecular Weight = 144.48 gm

Cadmium 77.81 % Cd

Sulfur 22.19 % S

______

100.00 %

Empirical Formula:

CdS

Environment:

As coatings on fine-grained sphalerite and siderite in vugs' probably of secondary origin, deposited from meteoric waters in vugs and along late fractures.

IMA Status:

Valid Species (Pre-IMA) 1955

Locality:

In Canada, in the Hector-Calumet mine, Keno-Galena Hill area, Yukon Territory. Link to MinDat.org Location Data.

Name Origin:

For Professor James Edwin Hawley (1897-1965), Canadian mineralogist, Queen's University, Kingston, Ontario, Canada.

Name Pronunciation:

Hawleyite + Pronunciation

Synonym:

ICSD 29278

PDF 10-454

Hawleyite Image

Images:

Hawleyite

Comments: Shale coated with brilliant yellow hawleyite.
Location: Mco. la Plane de Bosc, France. Scale: 4 x 3.5 cm.
© John Veevaert

Hawleyite Crystallography

Cell Dimensions:

a = 5.818, Z = 4; V = 196.93 Den(Calc)= 4.87

Crystal System:

Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m

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

By Intensity(I/I_o): 3.36(1), 2.058(0.8), 1.753(0.6),

Physical Properties of Hawleyite

Cleavage:

None

Color:

Light yellow.

Density:

4.87

Diaphaneity:

Opaque

Hardness:

2.5-3 - Finger Nail-Calcite

Luster:

Metallic

Streak:

light yellow

Calculated Properties of Hawleyite

Electron Density:

Bulk Density (Electron Density)=4.31 gm/cc
note: Specific Gravity of Hawleyite =4.87 gm/cc.

Fermion Index:

Fermion Index = 0.19
Boson Index = 0.81

Photoelectric:

PE_Hawleyite= 212.93 barns/electron
U=PE_Hawleyite x rElectron Density= 918.70 barns/cc.

Radioactivity:

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

Hawleyite Classification

Dana Class:

02.08.02.06 (02)Sulfides - Including Selenides and Tellurides

(02.08)where Am Bn Xp, with (m+n):p=1:1

(02.08.02)Sphalerite Group (Isometric: F4-3m)

02.08.02.01 Sphalerite (Zn,Fe)S F43m 4 3m

02.08.02.02 Stilleite ZnSe F43m 4 3m

02.08.02.03 Metacinnabar HgS F43m 4 3m

02.08.02.04 Tiemannite HgSe F43m 4 3m

02.08.02.05 Coloradoite HgTe F43m 4 3m

02.08.02.06 Hawleyite CdS F43m 4 3m

02.08.02.07 Rudashevskyite! (Fe,Zn)S F43m 4 3m

Strunz Class:

02.CB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.C - Metal Sulfides, M:S = 1:1 (and similar)

02.CB -With Zn, Fe, Cu, Ag, Au, etc

02.CB.05a Hawleyite CdS F43m 4 3m

02.CB.05a Coloradoite HgTe F43m 4 3m

02.CB.05a Metacinnabar HgS F43m 4 3m

02.CB.05a Sphalerite (Zn,Fe)S F43m 4 3m

02.CB.05a Tiemannite HgSe F43m 4 3m

02.CB.05a Stilleite ZnSe F43m 4 3m

02.CB.05a Rudashevskyite! (Fe,Zn)S F43m 4 3m

Other Hawleyite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Hawleyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Franklin Minerals(Dunn)
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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

Hawleyite

CdS
Dana No: 02.08.02.06 Strunz No: 02.CB.05a
Locality:

Notes:

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