Log In
Unnamed (Ag-Cu-As Sulphide)
This page is currently not sponsored. Click here to sponsor this page.
Formula:
(Ag,Cu)7AsS5
Ag:Cu somewhat variable (1.41-1.67). Structure refinement of a Ag-rich crystal gave the formula (Ag4.38Cu2.62)Σ7.00AsS5 (Kolitsch & Topa, 2021).
Colour:
Black
Lustre:
Metallic
Crystal System:
Monoclinic
This page provides mineralogical data about Unnamed (Ag-Cu-As Sulphide).
Unique Identifiers
Mindat ID:
55572
Long-form identifier:
mindat:1:1:55572:8
Physical Properties of Unnamed (Ag-Cu-As Sulphide)
Metallic
Colour:
Black
Chemistry of Unnamed (Ag-Cu-As Sulphide)
Mindat Formula:
(Ag,Cu)7AsS5
Ag:Cu somewhat variable (1.41-1.67). Structure refinement of a Ag-rich crystal gave the formula (Ag4.38Cu2.62)Σ7.00AsS5 (Kolitsch & Topa, 2021).
Ag:Cu somewhat variable (1.41-1.67). Structure refinement of a Ag-rich crystal gave the formula (Ag4.38Cu2.62)Σ7.00AsS5 (Kolitsch & Topa, 2021).
Element Weights:
Elements listed:
Crystallography of Unnamed (Ag-Cu-As Sulphide)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 7.175(1) Å, b = 13.411(3) Å, c = 10.048(2) Å
β = 91.49(3)°
β = 91.49(3)°
Ratio:
a:b:c = 0.535 : 1 : 0.749
Unit Cell V:
966.53 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Twinning:
None observed.
Comment:
Space group P21/n.
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Unnamed (Ag-Cu-As Sulphide)
mindat.org URL:
https://www.mindat.org/min-55572.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Unnamed (Ag-Cu-As Sulphide)
Localities for Unnamed (Ag-Cu-As Sulphide)
Showing 1 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Morocco | |
| Kolitsch et al. (2021) |
