Insizwaite Mineral Data

General Insizwaite Information

Chemical Formula:

Pt(Bi,Sb)2

Composition:

Molecular Weight = 569.43 gm

Bismuth 55.05 % Bi

Antimony 10.69 % Sb

Platinum 34.26 % Pt

______

100.00 %

Empirical Formula:

PtBi_1.5Sb_0.5

Environment:

Of hydrothermal origin, in a vein cutting massif pyrrhotite ore.

IMA Status:

Approved IMA 1972

Locality:

From the Insizwa deposit, Waterfall Gorge, Pondoland and East Griqualand areas, Transkei, South Africa. Link to MinDat.org Location Data.

Name Origin:

For the Insizwa mineral deposit, South Africa, where it was discovered.

Name Pronunciation:

Insizwaite + Pronunciation

Synonym:

ICSD 42548

PDF 26-221

Insizwaite Image

Images:

Insizwaite Moncheite

Comments: Back-scattered electron image showing b) intergrowth of taimyrite-tatyanaite with moncheitei-insizwaite (CanMin, v 42, p 611).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia. Scale: See Image.
© Canadian Mineralogist

Images:

Niggliite Insizwaite

Comments: B&W image of a polished section showing insizwaite grain (I) showing details of niggliite (N) inclusions and exsolved chalcopyrite (C) lamellae in the pentlandite (P). (MinMag, v38:299).
Location: Insizwa deposit, Waterfall Gorge, Pondoland and East Griqualand areas (Transkei), South Africa. Scale: See Image.
© Mineralogical Magazine

Insizwaite Crystallography

Cell Dimensions:

a = 6.625, Z = 4; V = 290.78 Den(Calc)= 13.01

Crystal System:

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

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

By Intensity(I/I_o): 1.99(1), 2.7(0.8), 2.96(0.8),

Physical Properties of Insizwaite

Color:

Tin white.

Density:

12.8

Diaphaneity:

Opaque

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

5-5.5 - Apatite-Knife Blade

Luster:

Metallic

Optical Properties of Insizwaite

RL Color:

White.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Insizwaite in Air**
λ	R	∑ R(λ)
420 nm	49.30
440 nm	50.50
460 nm	52.50
480 nm	52.80
500 nm	53.60
520 nm	53.80
540 nm	54.00
560 nm	54.40
580 nm	54.40
600 nm	54.60
620 nm	55.00
640 nm	55.20
660 nm	55.70
680 nm	56.00
700 nm	56.50

**Calculated Relative Intensity Colors of Insizwaite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	170%
R

Calculated Properties of Insizwaite

Electron Density:

Bulk Density (Electron Density)=10.4 gm/cc
note: Specific Gravity of Insizwaite =13.0 gm/cc.

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_Insizwaite=1,699.67 barns/electron
U=PE_Insizwaite x rElectron Density=17708.00 barns/cc.

Radioactivity:

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

Insizwaite Classification

Dana Class:

02.12.01.15 (02)Sulfides - Including Selenides and Tellurides

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

(02.12.01)Pyrite Group (Isometric: Pa3)

02.12.01.01 Pyrite FeS2 P a3 2/m 3

02.12.01.02 Vaesite NiS2 P a3 2/m 3

02.12.01.03 Cattierite CoS2 P a3 2/m 3

02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

02.12.01.05 Trogtalite CoSe2 P a3 2/m 3

02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3

02.12.01.08 Krutaite CuSe2 P a3 2/m 3

02.12.01.09 Hauerite MnS2 P a3 2/m 3

02.12.01.10 Laurite RuS2 P a3 2/m 3

02.12.01.11 Aurostibite AuSb2 P a3 2/m 3

02.12.01.12 Krutovite NiAs2 P a3 2/m 3

02.12.01.13 Sperrylite PtAs2 P a3 2/m 3

02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3

02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

02.12.01.16 Erlichmanite OsS2 P a3 2/m 3

02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3

02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3

02.12.01.19 Mayingite IrBiTe P a3 2/m 3

Strunz Class:

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

02.E - Metal Sulfides, M:S ï¿½ 1:2

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

02.EB.05a Aurostibite AuSb2 P a3 2/m 3

02.EB.05a Cattierite CoS2 P a3 2/m 3

02.EB.05a Hauerite MnS2 P a3 2/m 3

02.EB.05a Fukuchilite Cu3FeS8 P a3 2/m 3

02.EB.05a Dzharkenite FeSe2 P a3 2/m 3

02.EB.05a Erlichmanite OsS2 P a3 2/m 3

02.EB.05a Geversite Pt(Sb,Bi)2 P a3 2/m 3

02.EB.05a Gaotaiite Ir3Te8 P a3 2/m 3

02.EB.05a Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

02.EB.05a Laurite RuS2 P a3 2/m 3

02.EB.05a Krutaite CuSe2 P a3 2/m 3

02.EB.05a Pyrite FeS2 P a3 2/m 3

02.EB.05a Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

02.EB.05a Sperrylite PtAs2 P a3 2/m 3

02.EB.05a Vaesite NiS2 P a3 2/m 3

02.EB.05a Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

02.EB.05a Trogtalite CoSe2 P a3 2/m 3

Other Insizwaite Information

References:

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

See Also:

Links to other databases for Insizwaite :
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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Insizwaite

Pt(Bi,Sb)2
Dana No: 02.12.01.15 Strunz No: 02.EB.05a
Locality:

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