Jolliffeite Mineral Data (original) (raw)

General Jolliffeite Information

Help on Chemical Formula: Chemical Formula:

(Ni,Co)AsSe

Help on Composition: Composition:

Molecular Weight = 212.63 gm

Cobalt 6.93 % Co

Nickel 20.70 % Ni

Arsenic 35.24 % As

Selenium 37.13 % Se

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Ni0.75Co0.25AsSe

Help on Environment: Environment:

Se analogue of gersdorffite.

Help on IMA Status: IMA Status:

Approved IMA 1991

Help on Locality: Locality:

Shirley Penin., Lake Athabasca, SK, Canada. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named in 1991 for Alfred W. Jolliffe (1907-1988), Canadian geologist.

Help on Name Pronunciation: Name Pronunciation:

Jolliffeite + Pronunciation Say JOLLIFFEITE

Help on Synonym: Synonym:

ICSD 40656

IMA1989-011

PDF 45-1383

Jolliffeite Image

Click Here for Larger Jolliffeite Image in a New Browser Window Images:

Click Here for Larger Jolliffeite Image Jolliffeite Eskebornite Comments: Back-scattered electron image of jolliffeite in sulfurian eskebornite. Note the cracked appearance and the different brightness of eskebornite, which is a reflection of variable ratio of selenium to sulfur. (CanMin v 42, p 844). Location: Niederschlema-Alberoda uranium deposit, in the Erzgebirge region of Germany.Scale: See Image. © Canadian Mineralogist

Jolliffeite Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 5.831, Z = 4; V = 198.26 Den(Calc)= 7.12

Help on Crystal System: Crystal System:

Isometric - DiploidalH-M Symbol (2/m 3) Space Group: P a3

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.602(1), 1.757(0.8), 2.378(0.8),

Click Here for Large Jolliffeite Structure Window Crystal Structure:

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| | Foecker A J , Jeitschko W , Journal of Solid State Chemistry , 162 (2001) p.69-78, The atomic order of the pnictogen and chalcogen atoms in equiatomic ternary | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Jolliffeite

Help on Color: Color:

Tin white.

Help on Density: Density:

7.1

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Help on Hardness: Hardness:

6-6.5 - Orthoclase-Pyrite

Help on Luster: Luster:

Metallic

Calculated Properties of Jolliffeite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=6.35 gm/cc
note: Specific Gravity of Jolliffeite =7.12 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Help on Photoelectric: Photoelectric:

PEJolliffeite = 66.27 barns/electron
U=PEJolliffeite x rElectron Density= 420.48 barns/cc.

Help on Radioactivity: Radioactivity:

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

Jolliffeite Classification

Help on Dana Class: Dana Class:

02.12.03.09 (02)Sulfides - Including Selenides and Tellurides

(02.12)where Am Bn Xp, with (m+n):p=1:2

(02.12.03)Cobaltite Group (Cubic or pseudocubic crystals)

02.12.03.01 Cobaltite CoAsS P ca21 mm2

02.12.03.02 Gersdorffite NiAsS P 213 2 3

02.12.03.03 Ullmannite NiSbS P 213 2 3

02.12.03.04 Willyamite (Co,Ni)SbS P 213 2 3

02.12.03.05 Tolovkite IrSbS P 213 2 3

02.12.03.06 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3

02.12.03.07 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3

02.12.03.08 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3

02.12.03.09 Jolliffeite (Ni,Co)AsSe P a3 2/m 3

02.12.03.10 Padmaite PdBiSe P 213 2 3

02.12.03.11 Michenerite (Pd,Pt)BiTe P 213 2 3

02.12.03.12 Maslovite PtBiTe P 213 2 3

02.12.03.13 Testibiopalladite PdTe(Sb,Te) P 213 2 3

02.12.03.14 Changchengite! IrBiS P 213 2 3

02.12.03.15 Milotaite! PdSbSe P 21/3 2 3

02.12.03.16 Kalungaite! PdAsSe Pa3 2/m 3

Help on Strunz Class: Strunz Class:

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

02.E - Metal Sulfides, M:S � 1:2

02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.

02.EB.25 Cobaltite CoAsS P ca21 mm2

02.EB.25 Changchengite! IrBiS P 213 2 3

02.EB.25 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3

02.EB.25 Gersdorffite NiAsS P 213 2 3

02.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3

02.EB.25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3

02.EB.25 Krutovite NiAs2 P a3 2/m 3

02.EB.25 Michenerite (Pd,Pt)BiTe P 213 2 3

02.EB.25 Maslovite PtBiTe P 213 2 3

02.EB.25 Mayingite IrBiTe P a3 2/m 3

02.EB.25 Padmaite PdBiSe P 213 2 3

02.EB.25 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3

02.EB.25 Ullmannite NiSbS P 213 2 3

02.EB.25 Tolovkite IrSbS P 213 2 3

02.EB.25 Testibiopalladite PdTe(Sb,Te) P 213 2 3

02.EB.25 Willyamite (Co,Ni)SbS P 213 2 3

02.EB.25 Kalungaite! PdAsSe Pa3 2/m 3

02.EB.25 Milotaite! PdSbSe P 21/3 2 3

Other Jolliffeite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996)

Help on See Also: See Also:

Links to other databases for Jolliffeite :
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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Print or Cut-and-Paste your Jolliffeite Specimen Label here :

Jolliffeite

(Ni,Co)AsSe
Dana No: 02.12.03.09 Strunz No: 02.EB.25
Locality:

Notes: