Zvyagintsevite Mineral Data

Zvyagintsevite Mineral Data +

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General Zvyagintsevite Information

Chemical Formula:

(Pd,Pt,Au)3(Pb,Sn)

Composition:

Molecular Weight = 531.12 gm

Tin 5.59 % Sn

Palladium 54.10 % Pd

Platinum 7.35 % Pt

Lead 29.26 % Pb

Gold 3.71 % Au

______

100.00 %

Empirical Formula:

Pd_2.7Pt_0.2Au_0.1Pb_0.75Sn_0.25

Environment:

As small irregular grains and veinlets in copper sulfides associated with differentiated gabbro-diabase intrusives.

IMA Status:

Approved IMA 1966

Locality:

Talnakh, Taimyr Peninsula, Noril'sk region, Yakutiya, Russia Link to MinDat.org Location Data.

Name Origin:

Named for Orest Evgenevich Zvyagintsev, who did geochemical research on the platinum metals.

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Zvyagintsevite Crystallography

Cell Dimensions:

a = 4.02, Z = 1; V = 64.96 Den(Calc)= 13.58

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P m3m

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

By Intensity(I/I_o): 2.315(1), 1.207(0.9), 2.011(0.8),

Crystal Structure:

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Szymanski J T , Cabri L J , Laflamme J H G , The Canadian Mineralogist , 35 (1997) p.773-776, The crystal structure and calculated powder-diffraction, data for zvyagintsevite, Pd3Pb

Physical Properties of Zvyagintsevite

Color:

Tin white.

Density:

13.32

Diaphaniety:

Opaque

Habit:

Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Metallic

Streak:

black

Optical Properties of Zvyagintsevite

RL Color:

Bright white with a cream tint.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Zvyagintsevite in Air**
λ	R	∑ R(λ)
440 nm	62.00
460 nm	63.30
480 nm	63.00
500 nm	63.70
520 nm	64.60
540 nm	65.50
560 nm	66.70
580 nm	67.70
600 nm	67.40
620 nm	67.30
640 nm	67.90
660 nm	68.00
680 nm	68.00
700 nm	68.10

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

Calculated Properties of Zvyagintsevite

Electron Density:

r_electron=11.3 gm/cc
note: r_{Zvyagintsevite}=13.6 gm/cc.

Fermion Index

Fermion Index = 0.21958
Boson Index = 0.78042

Photoelectric:

PE_{Zvyagintsevite}= 866.42 barns/electron
U=PE_{Zvyagintsevite} x r_electron=9,822.66 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Zvyagintsevite is Not Radioactive

Zvyagintsevite Classification

Dana Class:

1.2.5.4 (1)Native Elements

(1.2)with platinum group metals and alloys

(1.2.5)Isoferroplatinum group (Space Group Pm3m)

1.2.5.1 Isoferroplatinum (Pt,Pd)3(Fe,Cu) P m3m 4/m 3 2/m

1.2.5.2 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m

1.2.5.3 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m

1.2.5.4 Zvyagintsevite (Pd,Pt,Au)3(Pb,Sn) P m3m 4/m 3 2/m

1.2.5.5 Chengdeite Ir3Fe P m3m 4/m 3 2/m

1.2.5.6 Yixunite! Pt3In P m3m 4/m 3 2/m

Strunz Class:

I/A.16-10 I - Elements

I/A - Metallic and intermetallic compounds, Platinum-Iron-compounds with Tin/Lead and related compunds

I/A.16 - Zvyagintsevite - Plumbopalladinite series

I/A.16-10 Zvyagintsevite (Pd,Pt,Au)3(Pb,Sn) P m3m 4/m 3 2/m

I/A.16-20 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m

I/A.16-30 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m

I/A.16-40 Niggliite PtSn P 6₃/mmc 6/m 2/m 2/m

I/A.16-50 Stannopalladinite (Pd,Cu)3Sn2(?) P 6₃/mmc 6/m 2/m 2/m

I/A.16-60 Palarstanide Pd8(Sn,As)3 P 6₃22 6 2 2

I/A.16-70 Plumbopalladinite Pd3Pb2 P 6₃/mmc 6/m 2/m 2/m

Other Zvyagintsevite Information

References:

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

See Also:

Links to other databases for Zvyagintsevite :
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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Zvyagintsevite

(Pd,Pt,Au)3(Pb,Sn)
Dana No: 1.2.5.4 Strunz No: I/A.16-10
Locality:

Notes: