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Lapieite

Formula:
NiCuSbS
 
3
System:OrthorhombicColour:Gray
Hardness:4½ - 5
Name:After the type locality: The Lapie River, St. Cyr Ranges, Yukon Territory, Canada.
This page provides mineralogical data about Lapieite.

Classification of Lapieite

IMA status:Approved
Strunz 8th edition ID:2/C.21-10
Nickel-Strunz 10th (pending) edition ID:2.GA.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
A : Neso-sulfarsenites, etc. without additional S
Dana 8th edition ID:3.4.4.1

3 : SULFOSALTS
4 : ø = 3
Hey's CIM Ref.:5.8.17

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 Lapieite

Type Locality:Lapie River, St Cyr Range, Watson Lake Mining District, Yukon Territory, Canada
Year of Discovery:1984

Physical Properties of Lapieite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Gray
Hardness (Mohs):4½ - 5

Crystallography of Lapieite

Crystal System:Orthorhombic
Cell Parameters:a = 7.42Å, b = 12.5Å, c = 4.9Å
Ratio:a:b:c = 0.594 : 1 : 0.392
Unit Cell Volume:V 454.48 ų (Calculated from Unit Cell)

Chemical Properties of Lapieite

Formula:
NiCuSbS
 
3
Essential elements:Cu, Ni, S, Sb
All elements listed in formula:Cu, Ni, S, Sb
Common Impurities:Fe,As

Relationship of Lapieite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.GA.05Proustite
Ag
 
3
AsS
 
3
2.Ga.05Pyrargyrite
Ag
 
3
SbS
 
3
2.GA.10Pyrostilpnite
Ag
 
3
SbS
 
3
2.GA.10Xanthoconite
Ag
 
3
AsS
 
3
2.GA.15Samsonite
Ag
 
4
MnSb
 
2
S
 
6
2.GA.20Skinnerite
Cu
 
3
SbS
 
3
2.GA.20Wittichenite
Cu
 
3
BiS
 
3
2.GA.25Mückeite
NiCu(Bi,Sb)S
 
3
2.GA.25IMA2007-003
PtCuBiS
 
3
2.GA.30Aktashite
Cu
 
6
Hg
 
3
As
 
4
S
 
12
2.GA.30Gruzdevite
Cu
 
6
Hg
 
3
Sb
 
4
S
 
12
2.GA.30Nowackiite
Cu
 
6
Zn
 
3
As
 
4
S
 
12
2.GA.35Laffittite
AgHgAsS
 
3
2.GA.40Routhierite
CuHg
 
2
TlAs
 
2
S
 
6
2.GA.40Stalderite
(Tl,Cu)(Zn,Fe,Hg)AsS
 
3
2.GA.45Erniggliite
Tl
 
2
SnAs
 
2
S
 
6
2.GA.50Bournonite
PbCuSbS
 
3
2.GA.50Seligmannite
PbCuAsS
 
3
2.GA.50Součekite
PbCuBi(S,Se)
 
3
2.GA.55Malyshevite
PdCuBiS
 
3
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
5.8.5Jamesonite
Pb
 
4
FeSb
 
6
S
 
14
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
5.8.18Mückeite
NiCu(Bi,Sb)S
 
3
5.8.19Vozhminite
(Ni,Co)
 
4
(As,Sb)S
 
2

Other Names for Lapieite

Synonyms:
IMA1983-002
German names:
Lapieit
Spanish names:
Lapieita

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 Lapieite

Reference List:Canadian Mineralogist (1984): 22: 561-564.

American Mineralogist (1985): 70: 1329-1330.

Internet Links for Lapieite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Lapieite details from Handbook of Mineralogy (PDF)
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    Localities for Lapieite

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    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Yukon Territory
      • Watson Lake Mining District
        • St Cyr Range
    		No reference listed
    Germany
     
    • Rhineland-Palatinate
      • Siegerland
        • Betzdorf
          • Schutzbach
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    Mineral and/or Locality
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