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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

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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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    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.