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UM1988-18-S:CuFe
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Formula:
Cu5Fe9S14
Co-described with compositionally similar 'UM1988-17-S:CuFe', and also zincian chalcopyrite, "zincian high cubanite", pyrite, marcasite, sphalerite, chalcopyrite, and cubanite, from cored metalliferous sediments.
Single prismatic grain found; size: 20 x 15 microns.
Compare, e.g., chalcopyrite and mooihoekite.
Single prismatic grain found; size: 20 x 15 microns.
Compare, e.g., chalcopyrite and mooihoekite.
Unique Identifiers
Mindat ID:
51654
Long-form identifier:
mindat:1:1:51654:3
Similar Names
| UM1970-24-S:CuFe | (Fe,Cu)S | |
| UM1970-25-S:CuFeH | A synonym of Ferrovalleriite | |
| UM1974-16-Se:CoFe | (Co,Fe)S2 | |
| UM1976-15-S:CuSe | Cu4(S,Se)3 | |
| UM1979-02-AsO:CuFe | Cu-Fe-Ca-As-Sb-O | |
| UM1981-12-S:CoFe | ~(Co,Fe)4S3 | |
| UM1983-12-S:CuFe | Cu2FeS3 | |
| UM1986-42-S:CuFe | Cu2Fe3S5 | |
| UM1987-10-S:AgFe | Ag2Fe15S20 | |
| UM1988-17-S:CuFe | Cu7Fe8S16 | |
| UM1990-101-S:CuFeK | Valid as an unnamed mineral | KCu+19Cu182+Fe102+S38 |
| UM1994-22-S:CuFe | CuFe3S4 | |
| UM2002-12-OS:CuFe | Valid as an unnamed mineral | ~(Cu,Fe)SO ? |
| UM2003-19-S:CuFe | Valid as an unnamed mineral | (Cu0.96K0.04)(Fe0.6Cu0.4)(S1.98O0.02) |
Optical Data of UM1988-18-S:CuFe
Anisotropism:
brass yellow to blue-gray
Colour in reflected light:
light brass yellow
Chemistry of UM1988-18-S:CuFe
Mindat Formula:
Cu5Fe9S14
Element Weights:
Elements listed:
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 UM1988-18-S:CuFe
mindat.org URL:
https://www.mindat.org/min-51654.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for UM1988-18-S:CuFe
Localities for UM1988-18-S:CuFe
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.
Red Sea | |
| Lebedev et al. (1988) +1 other reference |
