Insizwaite Mineral Data

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.

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

Insizwaite Crystallography

Cell Dimensions:

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

Crystal System:

Isometric - DiploidalH-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

Diaphaniety:

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:

r_electron=10.4 gm/cc
note: r_Insizwaite=13.0 gm/cc.

Fermion Index

Fermion Index = 0.11579
Boson Index = 0.88421

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Insizwaite is Not Radioactive

Insizwaite Classification

Dana Class:

2.12.1.15 (2)Sulfides - Including Selenides and Tellurides

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

(2.12.1)Pyrite Group (Isometric: Pa3)

2.12.1.1 Pyrite FeS2 P a3 2/m 3

2.12.1.2 Vaesite NiS2 P a3 2/m 3

2.12.1.3 Cattierite CoS2 P a3 2/m 3

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

2.12.1.5 Trogtalite CoSe2 P a3 2/m 3

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

2.12.1.7 Fukuchilite Cu3FeS8 P a3 2/m 3

2.12.1.8 Krutaite CuSe2 P a3 2/m 3

2.12.1.9 Hauerite MnS2 P a3 2/m 3

2.12.1.10 Laurite RuS2 P a3 2/m 3

2.12.1.11 Aurostibite AuSb2 P a3 2/m 3

2.12.1.12 Krutovite NiAs2 P a3 2/m 3

2.12.1.13 Sperrylite PtAs2 P a3 2/m 3

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

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

2.12.1.16 Erlichmanite OsS2 P a3 2/m 3

2.12.1.17 Dzharkenite FeSe2 P a3 2/m 3

2.12.1.18 Gaotaiite Ir3Te8 P a3 2/m 3

2.12.1.19 Mayingite IrBiTe P a3 2/m 3

Strunz Class:

II/D.17-150 II - Sulfides and sulphosalts

II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold

II/D.17 - Pyrite group and related compounds, Fukuchilite - Micherenite

II/D.17-10 Fukuchilite Cu3FeS8 P a3 2/m 3

II/D.17-20 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

II/D.17-30 Pyrite FeS2 P a3 2/m 3

II/D.17-40 Cattierite CoS2 P a3 2/m 3

II/D.17-50 Vaesite NiS2 P a3 2/m 3

II/D.17-60 Hauerite MnS2 P a3 2/m 3

II/D.17-65 Dzharkenite FeSe2 P a3 2/m 3

II/D.17-70 Krutaite CuSe2 P a3 2/m 3

II/D.17-80 Trogtalite CoSe2 P a3 2/m 3

II/D.17-90 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

II/D.17-100 Laurite RuS2 P a3 2/m 3

II/D.17-110 Erlichmanite OsS2 P a3 2/m 3

II/D.17-120 Sperrylite PtAs2 P a3 2/m 3

II/D.17-130 Aurostibite AuSb2 P a3 2/m 3

II/D.17-140 Geversite Pt(Sb,Bi)2 P a3 2/m 3

II/D.17-150 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

II/D.17-153 Changchengite! IrBiS P 2₁3 2 3

II/D.17-155 Mayingite IrBiTe P a3 2/m 3

II/D.17-160 Maslovite PtBiTe P 2₁3 2 3

II/D.17-170 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

II/D.17-175 Padmaite PdBiSe P 2₁3 2 3

II/D.17-180 Michenerite (Pd,Pt)BiTe P 2₁3 2 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Insizwaite

Pt(Bi,Sb)2
Dana No: 2.12.1.15 Strunz No: II/D.17-150
Locality:

Notes: