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Cuboargyrite

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Formula:
AgSbS
 
2
System:IsometricLustre:Metallic
Hardness:3
Name:The name alludes to the polymorphic relationship with miargyrite.
Polymorph of:Baumstarkite, Miargyrite


The isometric dimorph of Miargyrite (monoclinic) and Baumstarkite (triclinic).

Classification of Cuboargyrite

IMA status:Approved
Strunz 8th edition ID:2/C.16-05
Nickel-Strunz 10th (pending) edition ID:2.JA.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
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Type Occurrence of Cuboargyrite

Type Locality:Bergmannstrost Mine, Baberast District, Welschbollenbach, Haslach, Black Forest, Baden-Württemberg, Germany

Physical Properties of Cuboargyrite

Lustre:Metallic
Hardness (Mohs):3

Crystallography of Cuboargyrite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Cell Parameters:a = 5.650Å
Unit Cell Volume:V 180.36 ų (Calculated from Unit Cell)
Z:2
X-Ray Powder Diffraction:
d-spacingIntensity
3.26 (90)
2.83 (100)
1.998 (80)

Optical Data of Cuboargyrite

Type:Isotropic

Chemical Properties of Cuboargyrite

Formula:
AgSbS
 
2
Simplified for copy/paste:AgSbS2
Essential elements:Ag, S, Sb
All elements listed in formula:Ag, S, Sb

Relationship of Cuboargyrite to other Species

Structurally related to group(s):
Schapbachite group
Related Minerals - Nickel-Strunz Grouping):

- +
2.JA.05eBenjaminite
(Ag,Cu)
 
3
(Bi,Pb)
 
7
S
 
12
2.JA.05gBorodaevite
Ag
 
5
(Bi,Pb,Fe)
 
8
(Sb,Bi)
 
2
S
 
17
2.JA.05aCupropavonite
AgCu
 
2
PbBi
 
5
S
 
10
2.JA.05aKitaibelite
Ag
 
10
PbBi
 
30
S
 
51
2.JA.05iLivingstonite
HgSb
 
4
S
 
6
(S
 
2
)
2.JA.05dMakovickyite
Cu
 
1.12
Ag
 
0.81
Pb
 
0.27
Bi
 
5.35
S
 
9
2.JA.05fMummeite
(Cu,Ag)
 
3-4
(Bi,Pb)
 
7-8
S
 
13
2.JA.05aPavonite
(Ag,Cu)(Bi,Pb)
 
3
S
 
5
2.JA.05bGrumiplucite
HgBi
 
2
S
 
4
2.JA.05hMozgovaite
PbBi
 
4
(S,Se)
 
7
2.JA.05dCupromakovickyite
Cu
 
8
Pb
 
4
Ag
 
2
Bi
 
18
S
 
36
2.JA.05cKudriavite
(Cd,Pb)Bi
 
2
S
 
4
2.JA.05aCupromakopavonite
Ag
 
3
Cu
 
8
Pb
 
4
Bi
 
19
S
 
38
2.JA.05Dantopaite
Cu
 
1.06
Ag
 
4.24
Pb
 
0.9
Bi
 
12.23
S
 
21.89
Te
 
0.11
2.JA.10aCuprobismutite
Cu
 
8
AgBi
 
12
S
 
24
2.JA.10cHodrušite
Cu
 
8
Bi
 
12
S
 
22
2.JA.10ePadĕraite
Cu
 
5.9
Ag
 
1.3
Pb
 
1.6
Bi
 
11.2
S
 
22
2.JA.10dPizgrischite
(Cu,Fe)Cu
 
14
PbBi
 
17
S
 
35
2.JA.10bKupčíkite
Cu
 
3.4
Fe
 
0.6
Bi
 
5
S
 
10
2.JA.15Schapbachite
Ag
 
0.4
Pb
 
0.2
Bi
 
0.4
S
2.JA.20Bohdanowiczite
AgBiSe
 
2
2.JA.20Matildite
AgBiS
 
2
2.JA.20Volynskite
AgBiTe
 
2

Other Names for Cuboargyrite

Synonyms:
IMA1997-004
Other Languages:
German:Cuboargyrit
Russian:Кубоаргирит
Spanish:Cuboargyrita

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 Cuboargyrite

Reference List:

- +
Walenta, K. (1998): Cuboargyrit, ein neues Silbermineral aus dem Schwarzwald. Lapis, 23(11), 21–23. (in German).

Internet Links for Cuboargyrite

Search Engines:
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  • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Cuboargyrite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Localities for Cuboargyrite

    (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.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Haslach
          • Welschbollenbach
            • Baberast District
    Wittern: "Mineralfundorte in Deutschland", 2001
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