Petrukite Mineral Data

Petrukite Mineral Data +

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General Petrukite Information

Chemical Formula:

(Cu,Fe,Zn)2(Sn,In)S4

Composition:

Molecular Weight = 379.82 gm

Zinc 3.44 % Zn

Indium 6.05 % In

Iron 8.82 % Fe

Copper 20.08 % Cu

Silver 2.84 % Ag

Tin 25.00 % Sn

Sulfur 33.77 % S

______

100.00 %

Empirical Formula:

Cu_1.2Fe²⁺_0.6Zn_0.2Ag_0.1Sn_0.8In_0.2S₄

IMA Status:

Approved IMA 1989

Locality:

Herb claim, Turnagain River, British Columbia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for William Petruk (1930-), Canadian mineralogist.

Synonym:

IMA1985-052

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Petrukite Crystallography

Axial Ratios:

a:b:c =1.1905:1:0.9745

Cell Dimensions:

a = 7.667, b = 6.44, c = 6.276, Z = 2; V = 309.88 Den(Calc)= 4.07

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mn2₁

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

By Intensity(I/I_o): 3.13(1), 1.11(0.6), 1.915(0.6),1.106(0.6), 1.24(0.5), 1.64(0.5), 2.71(0.4), 10.04(0.3), 2.42(0.2),

Physical Properties of Petrukite

Cleavage:

[110] Distinct, [100] Distinct, [010] Distinct

Color:

Gray, Brown.

Density:

4.61

Diaphaniety:

Opaque

Habit:

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

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Metallic

Streak:

black

Calculated Properties of Petrukite

Electron Density:

r_electron=3.75 gm/cc
note: r_Petrukite=4.07 gm/cc.

Fermion Index

Fermion Index = 0.04736
Boson Index = 0.95264

Photoelectric:

PE_Petrukite= 114.46 barns/electron
U=PE_Petrukite x r_electron= 429.03 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Petrukite is Not Radioactive

Petrukite Classification

Dana Class:

2.9.18.1 (2)Sulfides - Including Selenides and Tellurides

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

(2.9.18)Dana Group

2.9.18.1 Petrukite (Cu,Fe,Zn)2(Sn,In)S4 P mn2₁ mm2

Strunz Class:

II/C.06-140 II - Sulfides and sulphosalts

II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1

II/C.06 - Stannite group

II/C.06-10 Luzonite Cu3AsS4 I 42m 4 2m

II/C.06-20 Famatinite Cu3SbS4 I 42m 4 2m

II/C.06-30 Permingeatite Cu3SbSe4 I 42m 4 2m

II/C.06-40 Briartite Cu2(Zn,Fe)GeS4 I 42m 4 2m

II/C.06-45 Barquillite! Cu2CdGeS4 I 42m 4 2m

II/C.06-50 Kuramite Cu3SnS4 I 42m 4 2m

II/C.06-60 Stannite Cu2FeSnS4 I 42m 4 2m

II/C.06-70 Ferrokesterite Cu2(Fe,Zn)SnS4 I 42m 4 2m

II/C.06-80 Kesterite Cu2(Zn,Fe)SnS4 I 4 4

II/C.06-90 Cernyite Cu2CdSnS4 I 42m 4 2m

II/C.06-100 Velikite Cu2HgSnS4 I 42m 4 2m

II/C.06-110 Hocartite Ag2FeSnS4 I 42m 4 2m

II/C.06-120 Pirquitasite Ag2ZnSnS4 I 42m 4 2m

II/C.06-130 Sakuraiite (Cu,Zn,Fe,In,Sn)4S4 P 4₃2, P 43m, or P m3m Cubic

II/C.06-140 Petrukite (Cu,Fe,Zn)2(Sn,In)S4 P mn2₁ mm2

II/C.06-150 Rhodostannite Cu2FeSn3S8 I 4₁/a 4/m

II/C.06-160 Toyohaite Ag2FeSn3S8 I 4₁/a 4/m

Other Petrukite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8)

See Also:

Links to other databases for Petrukite :
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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Petrukite

(Cu,Fe,Zn)2(Sn,In)S4
Dana No: 2.9.18.1 Strunz No: II/C.06-140
Locality:

Notes: