Unnamed (Cu-Pb-Bi Sulphosalt)
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Formula:
(Cu,Ag)Pb6Bi7S17
Colour:
Lead-grey
Lustre:
Metallic
Specific Gravity:
7.04
Crystal System:
Orthorhombic
This page provides mineralogical data about Unnamed (Cu-Pb-Bi Sulphosalt).
Unique Identifiers
Mindat ID:
40422
Long-form identifier:
mindat:1:1:40422:0
Physical Properties of Unnamed (Cu-Pb-Bi Sulphosalt)
Metallic
Transparency:
Opaque
Colour:
Lead-grey
Hardness:
VHN20=119.75 kg/mm2 - Vickers
Density:
7.04 g/cm3 (Measured)
Optical Data of Unnamed (Cu-Pb-Bi Sulphosalt)
Anisotropism:
Perceptible
Bireflectance:
Weak
Colour in reflected light:
White with a bluish tint
Chemistry of Unnamed (Cu-Pb-Bi Sulphosalt)
Mindat Formula:
(Cu,Ag)Pb6Bi7S17
Element Weights:
Crystallography of Unnamed (Cu-Pb-Bi Sulphosalt)
Crystal System:
Orthorhombic
Cell Parameters:
a = 8.811 Å, b = 13.060 Å, c = 7.106 Å
Ratio:
a:b:c = 0.675 : 1 : 0.544
Unit Cell V:
817.699 ų
Z:
1
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.428 Å | (100) |
| 3.059 Å | (40) |
| 2.996 Å | (90) |
| 2.765 Å | (50) |
| 2.247 Å | (40) |
| 2.023 Å | (30) |
Synonyms of Unnamed (Cu-Pb-Bi Sulphosalt)
Other Language Names for Unnamed (Cu-Pb-Bi Sulphosalt)
Simplified Chinese:未定名铋硫盐 4
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 (Cu-Pb-Bi Sulphosalt)
mindat.org URL:
https://www.mindat.org/min-40422.html
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References for Unnamed (Cu-Pb-Bi Sulphosalt)
Reference List:
Localities for Unnamed (Cu-Pb-Bi Sulphosalt)
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.
China | |
| Yunqing Yi et al. (1986) +1 other reference |
