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UM1969-11-S:BiPb

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Formula:
Pb8Bi6S17
One of proposed formulas reported in the original paper: Pb13Bi10S28
Crystal System:
Monoclinic
Reported as compositionally similar to lillianite. The formula might (alternatively) be the same as that of giessenite (which differs in terms of PXRD pattern) or bursaite.


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Unique IdentifiersHide

Mindat ID:
47182
Long-form identifier:
mindat:1:1:47182:4

Similar NamesHide

UM1975-13-S:BiPbPb4Bi6S13
UM1981-11-S:BiPbPb4(Bi,Sb)5S11-13
UM1984-26-S:BiPbPb2Bi3S7
UM1988-15-S:BiPbBiPb2S2
UM1989-22-S:BiPbPb2Bi3S6
UM1990-36-S:BiPdPd5Bi6(S,Se)6
UM1991-13-S:AuBiPbValid as an unnamed mineral(Bi,Pb)5AuS3
UM1991-14-S:AuBiPbValid as an unnamed mineral(Bi,Pb)6AuS3
UM1991-15-S:AuBiPbValid as an unnamed mineral(Bi,Pb)6AuS4

Physical Properties of UM1969-11-S:BiPbHide

Hardness:
VHN100=350 - 477 - Vickers

Chemistry of UM1969-11-S:BiPbHide

Mindat Formula:
Pb8Bi6S17

One of proposed formulas reported in the original paper: Pb13Bi10S28
Element Weights:
Element% weight
Pb47.955 %
Bi36.275 %
S15.770 %

Calculated from ideal end-member formula.

Crystallography of UM1969-11-S:BiPbHide

Crystal System:
Monoclinic
Cell Parameters:
a = 39.6(1) Å, b = 4.10(5) Å, c = 14.28(5) Å
α = 90°, β = 90°, γ = 90°
Ratio:
a:b:c = 9.659 : 1 : 3.483
Unit Cell V:
2,318.50 ų (Calculated from Unit Cell)
Comment:
Space group C2, Cm or C2/m (angles?)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.16 Å(80)
4.57 Å(100)
4.47 Å(100)
2.160 Å(50)

Other InformationHide

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 UM1969-11-S:BiPbHide

References for UM1969-11-S:BiPbHide

Localities for UM1969-11-S:BiPbHide

Showing 1 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Switzerland
 
  • Grisons
    • Surselva Region
      • Medel (Lucmagn)
        • Val Medel
Nowacki et al. (1969) +1 other reference
 
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