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Jamesonite

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Cava del Ferro (Bùgie mines; Trimpello), Fornovolasco, Vergemoli, Apuan Alps, Lucca Province, Tuscany, Italy
© Fabio Vannini

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Formula:
Pb
 
4
FeSb
 
6
S
 
14
System:MonoclinicColour:Gray-black; iridescent ...
Hardness:2½
Name:For mineralogist Robert Jameson (1774-1854), of Edinburgh.


Benavidesite-Jamesonite Series.

Classification of Jamesonite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/E.22-10
Nickel-Strunz 10th (pending) edition ID:2.HB.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb
Dana 8th edition ID:3.6.7.1

3 : SULFOSALTS
6 : 2 < ø < 2.49
Hey's CIM Ref.:5.8.5

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
8 : Sulpharsenites etc. of Mn, Fe, Co and Ni
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Type Occurrence of Jamesonite

Type Locality:Cornwall, England, UK
Year of Discovery:1825

Occurrences of Jamesonite

Geological Setting:Late stage hydrothermal mineral formed at moderate to low temperature.

Physical Properties of Jamesonite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Gray-black; iridescent at times
Streak:Gray-black
Hardness (Mohs):2½
Hardness (Vickers):VHN100=66 - 86 kg/mm2
Tenacity:Brittle
Cleavage:Distinct/Good
{001} good; also possibly {010} amd {120}
Density (measured):5.63 g/cm3
Density (calculated):5.76 g/cm3

Crystallography of Jamesonite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b (P1 1 21/b) [P21/c] {P1 21/c 1} {P21/a}
Cell Parameters:a = 15.57Å, b = 18.98Å, c = 4.03Å
β = 91.8°
Ratio:a:b:c = 0.82 : 1 : 0.212
Unit Cell Volume:V 1,190.35 ų (Calculated from Unit Cell)
Z:2
Morphology:Acicular to fibrous [001] and striated parallel [001]. In felted masses of needles. Also massive, fibrous to columnar; radial or plumose at times. In subparallel aggregates of prismatic crystals, forming a columnar mass.
Twinning:On {100}.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Jamesonite

Type:Anisotropic
Anisotropism:Strong
Colour in reflected light:Grey-black
Pleochroism:Visible
Comments:Distinct.

Chemical Properties of Jamesonite

Formula:
Pb
 
4
FeSb
 
6
S
 
14
Essential elements:Fe, Pb, S, Sb
All elements listed in formula:Fe, Pb, S, Sb
Common Impurities:Cu,Zn,Ag,Bi

Relationship of Jamesonite to other Species

Series:Forms a series with Benavidesite (see here)
Related Minerals - Nickel-Strunz Grouping):
2.HB.05Aikinite
PbCuBiS
 
3
2.HB.05Berryite
Pb
 
3
(Ag,Cu)
 
5
Bi
 
7
S
 
16
2.HB.05Friedrichite
Pb
 
5
Cu
 
5
Bi
 
7
S
 
18
2.HB.05Gladite
PbCuBi
 
5
S
 
9
2.HB.05Hammarite
Pb
 
2
Cu
 
2
Bi
 
4
S
 
9
2.HB.05Krupkaite
PbCuBi
 
3
S
 
6
2.HB.05Lindströmite
Pb
 
3
Cu
 
3
Bi
 
7
S
 
15
2.HB.05Meneghinite
Pb
 
13
CuSb
 
7
S
 
24
2.HB.05Pekoite
PbCuBi
 
11
(S,Se)
 
18
2.HB.05Emilite
Pb
 
2.7
Cu
 
2.7
Bi
 
5.3
S
 
12
2.HB.05Jaskolskite
2.HB.05Salzburgite
Pb
 
1.6
Cu
 
1.6
Bi
 
6.4
S
 
14
2.HB.05Paarite
Pb
 
1.7
Cu
 
1.7
Bi
 
6.3
S
 
12
2.HB.10Eclarite
(Cu,Fe)Pb
 
9
Bi
 
12
S
 
28
2.HB.10Giessenite
Cu
 
2
Pb
 
26
(Bi,Sb)
 
20
S
 
57
2.HB.10Izoklakeite
(Cu,Fe)
 
2
Pb
 
27
(Sb,Bi)
 
19
S
 
57
2.HB.10Kobellite
Pb
 
22
Cu
 
4
(Bi,Sb)
 
30
S
 
69
2.HB.10Tintinaite
Pb
 
22
Cu
 
4
(Sb,Bi)
 
30
S
 
69
2.HB.10Zoubekite
AgPb
 
4
Sb
 
4
S
 
10
2.HB.15Benavidesite
Pb
 
4
(Mn,Fe)Sb
 
6
S
 
14
2.HB.20Buckhornite
AuPb
 
2
BiTe
 
2
S
 
3
2.HB.20Nagyágite
Pb
 
5
Au(Te,Sb)
 
4
S
 
5-8
2.HB.20Watkinsonite
Cu
 
2
PbBi
 
4
(Se,S,Te)
 
8
2.HB.20Museumite
Pb
 
5
AuSbTe
 
2
S
 
12
2.HB.25Jaskólskiite
Pb
 
2+x
Cu
 
x
(Sb,Bi)
 
2-x
S
 
6
 x = 0.2
Related Minerals - Hey's Index Grouping:
5.8.1Samsonite
Ag
 
4
MnSb
 
2
S
 
6
5.8.2Uchucchacuaite
AgMnPb
 
3
Sb
 
5
S
 
12
5.8.3Benavidesite
Pb
 
4
(Mn,Fe)Sb
 
6
S
 
14
5.8.4Berthierite
FeSb
 
2
S
 
4
5.8.6Parajamesonite
5.8.7Garavellite
FeSbBiS
 
4
5.8.8Izoklakeite
(Cu,Fe)
 
2
Pb
 
27
(Sb,Bi)
 
19
S
 
57
5.8.9Miharaite
Cu
 
4
FePbBiS
 
6
5.8.10Sakharovaite
5.8.11Arsenohauchecornite
Ni
 
9
BiAsS
 
8
5.8.12Tučekite
Ni
 
9
Sb
 
2
S
 
8
5.8.13Bismutohauchecornite
Ni
 
9
Bi
 
2
S
 
8
5.8.14Parkerite
Ni
 
3
Bi
 
2
S
 
2
5.8.15Hauchecornite
Ni
 
9
Bi(Sb,Bi)S
 
8
5.8.16Tellurohauchecornite
Ni
 
9
Bi(Te,Bi)S
 
8
5.8.17Lapieite
NiCuSbS
 
3
5.8.18Mückeite
NiCu(Bi,Sb)S
 
3
5.8.19Vozhminite
(Ni,Co)
 
4
(As,Sb)S
 
2

Other Names for Jamesonite

Synonyms:
Axotomous Antimony GlanceComucciteCornucciteDomingiteJamesonite (of Haidinger)
Pfaffite (of Huot)SakharovaiteWarrenite (of Eakins)Wolfsbergite (of Huot)
German names:
Axotomer AntimonglanzBergzundererzBleiantimonitBleischimmerComuccit
CornuccitDomingitHaarförmiger AntimonglanzHaarförminges GrauspiessglanzerzJamesonit
LumpenerzQuerspiessglanzZundererz
Russian names:
Джемсонит
Spanish names:
ComuccitaCornuccitaDomingitaJamesonita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Jamesonite

Reference List:Jameson (1821): 285.

Mohs (1824): 586.

Haidinger (1825): 1: 451.

Haidinger (1825): 3: 26.

Huot (1841): 1: 192.

Slavík (1914), Centralblatt für Mineralogie: 7.

Shannon (1925), American Mineralogist: 10: 197.

Berry (1940), Mineralogical Magazine: 25: 597.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 451-454.

Canadian Mineralogist (1987): 25: 667.

Zeitschrift für Kristallographie: 109: 161-183 (1957)

Internet Links for Jamesonite

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    Localities for Jamesonite

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