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IMA2008-004

Formula:
[Cu
 
6
Sb
 
2
S
 
7
][Ag
 
9
CuS
 
4
]
System:Trigonal


Pearceite Group.

Classification of IMA2008-004

IMA status:Approved 2008
Nickel-Strunz 10th (pending) edition ID:2.GB.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
B : Neso-sulfarsenites, etc. with additional S
Dana 8th edition ID:3.1.7.3

3 : SULFOSALTS
1 : ø > 4
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Type Occurrence of IMA2008-004

Type Locality:Silbak Premier Mine, Stewart, Skeena Mining Division, British Columbia, Canada

Crystallography of IMA2008-004

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:P3m1 (P3 2/m 1)
Cell Parameters:a = 7.341Å, c = 11.805Å
Ratio:a:c = 1 : 1.608
Unit Cell Volume:V 550.94 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
11.81 944)(
3.069 (44)
2.951 (100)
2.799 (52)
2.473 (43)
2.355 (40)
2.163 (43)

Chemical Properties of IMA2008-004

Formula:
[Cu
 
6
Sb
 
2
S
 
7
][Ag
 
9
CuS
 
4
]
Essential elements:
All elements listed in formula:Ag, Cu, S, Sb

Relationship of IMA2008-004 to other Species

Related Minerals - Nickel-Strunz Grouping):
2.GB.05Argentotennantite
(Ag,Cu)
 
10
(Zn,Fe)
 
2
(As,Sb)
 
4
S
 
13
2.GB.05Freibergite
(Ag,Cu,Fe)
 
12
(Sb,As)
 
4
S
 
13
2.GB.05Galkhaite
(Cs,Tl)(Hg,Cu,Zn)
 
6
(As,Sb)
 
4
S
 
12
2.GB.05Giraudite
(Cu,Zn,Ag)
 
12
(As,Sb)
 
4
(Se,S)
 
13
2.GB.05Goldfieldite
Cu
 
12
(Te,Sb,As)
 
4
S
 
13
2.GB.05Hakite
(Cu,Hg,Ag)
 
12
Sb
 
4
(Se,S)
 
13
2.GB.05Tennantite
(Cu,Ag,Fe,Zn)
 
12
As
 
4
S
 
13
2.GB.05Tetrahedrite
(Cu,Fe,Ag,Zn)
 
12
Sb
 
4
S
 
13
2.GB.10Selenostephanite
Ag
 
5
Sb(Se,S)
 
4
2.GB.10Stephanite
Ag
 
5
SbS
 
4
2.GB.15Pearceite
(Ag,Cu)
 
16
(As,Sb)
 
2
S
 
11
2.GB.15Polybasite
(Ag,Cu)
 
16
(Sb,As)
 
2
S
 
11
2.GB.15Selenopolybasite
[(Ag,Cu)
 
6
(Sb,As)
 
2
(S,Se)
 
7
][Ag
 
9
Cu(S,Se)
 
2
Se
 
2
2.GB.15Cupropearceite
[Cu
 
6
As
 
2
S
 
7
][Ag
 
9
CuS
 
4
]

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 IMA2008-004

Reference List:IMA website - Proposals approved April 2008

Internet Links for IMA2008-004

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  • Raman and XRD data at RRUFF project
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    Localities for IMA2008-004

    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
     
    • British Columbia
      • Skeena Mining Division
        • Stewart
    IMA website - April 2008
    Mineral and/or Locality
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