Petrukite Mineral Data

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.

Name Pronunciation:

Petrukite + Pronunciation

Synonym:

IMA1985-052

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Images:

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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

Diaphaneity:

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:

Bulk Density (Electron Density)=3.75 gm/cc
note: Specific Gravity of Petrukite =4.07 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Petrukite= 114.46 barns/electron
U=PE_Petrukite x rElectron Density= 429.03 barns/cc.

Radioactivity:

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

Petrukite Classification

Dana Class:

02.09.18.01 (02)Sulfides - Including Selenides and Tellurides

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

(02.09.18)Dana Group

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

Strunz Class:

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

02.K - Sulfarsenates, Sulfantimonates

02.KA -Sulfarsenates with (As,Sb)S4 tetrahedra

02.KA.05 Enargite Cu3AsS4 Pnm21 mm2

02.KA.05 Petrukite (Cu,Fe,Zn)2(Sn,In)S4 P mn2₁ mm2

02.KA.05 Stibioenargite* Cu3(Sb,As)S4 Unk Ortho

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 - 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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Ask about Petrukite here :
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Print or Cut-and-Paste your Petrukite Specimen Label here :

Petrukite

(Cu,Fe,Zn)2(Sn,In)S4
Dana No: 02.09.18.01 Strunz No: 02.KA.05
Locality:

Notes: