UM1984-24-S:BiCuPbSe
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Formula:
PbCu7Bi11(S,Se)21
Chemically resembles junoite, nordströmite, pekoite, proudite, součekite, etc.
Described together with 'UM1984-22-S:AsCuSbSn' and 'UM1984-25-S:BiCuSe'.
Described together with 'UM1984-22-S:AsCuSbSn' and 'UM1984-25-S:BiCuSe'.
Unique Identifiers
Mindat ID:
47762
Long-form identifier:
mindat:1:1:47762:4
Similar Names
| UM1976-14-S:BiCuPbSe | (Bi,Pb,Cu)4(S,Se)5 | |
| UM1987-11-S:BiCuPbSb | Pb5Cu2(Sb,Bi)15S23 |
Optical Data of UM1984-24-S:BiCuPbSe
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 440nm | 36% | 42% |
| 580nm | 42% | % |
| 720nm | 38% | 43% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 43%.
R1 shown in black, R2 shown in red
Colour in reflected light:
white to light gray (in polished section, likely in the reflected light)
Chemistry of UM1984-24-S:BiCuPbSe
Mindat Formula:
PbCu7Bi11(S,Se)21
Element Weights:
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.67 Å | (100) |
| 3.29 Å | (100) |
| 3.14 Å | (50) |
| 3.05 Å | (100) |
| 2.18 Å | (90) |
| 2.04 Å | (50) |
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 UM1984-24-S:BiCuPbSe
mindat.org URL:
https://www.mindat.org/min-47762.html
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References for UM1984-24-S:BiCuPbSe
Reference List:
Localities for UM1984-24-S:BiCuPbSe
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.
Tajikistan | |
| Kovalenker et al. (1984) +1 other reference |
