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Disulfodadsonite

A valid IMA mineral species
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Formula:
Pb11Sb13S30(S2)0.5
Colour:
Black
Lustre:
Metallic
Specific Gravity:
5.898 (Calculated)
Crystal System:
Triclinic
Name:
For the relationship to dadsonite and the presence of the disulfide ion in the crystal structure
Cl-free homeotype of dadsonite, stabilized by disulfide ions, (S2)2- (hence "disulfidodadsonite" may have been a more correct name).



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Unique IdentifiersHide

Mindat ID:
42857
Long-form identifier:
mindat:1:1:42857:6

IMA Classification of DisulfodadsoniteHide

IMA status:
Approved
IMA Formula:
Pb2+11Sb3+13S2-30(S2)2-0.5
Approval year:
2011

Classification of DisulfodadsoniteHide

Strunz-mindat (2026):
2.00.

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
0 :
0 :

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
DdadIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of DisulfodadsoniteHide

Lustre:
Metallic
Colour:
Black
Comment:
Under the ore microscope, it is white with red internal reflections visible on the grain edges.
Density:
5.898 g/cm3 (Calculated)

Optical Data of DisulfodadsoniteHide

Anisotropism:
Weak but distinct, with rotation tints from brown to dark blue
Colour in reflected light:
white
Internal Reflections:
red
Pleochroism:
Non-pleochroic
Comments:
No pleochroism could be distinguished

Chemistry of DisulfodadsoniteHide

Mindat Formula:
Pb11Sb13S30(S2)0.5
Element Weights:
Element% weight
Pb46.935 %
Sb32.596 %
S20.469 %

Calculated from ideal end-member formula.
Pb
Sb
S
Elements listed:
Pb, S, Sb - search for minerals with similar chemistry

Crystallography of DisulfodadsoniteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Setting:
P1
Cell Parameters:
a = 4.1192(3) Å, b = 17.4167(14) Å, c = 19.1664(16) Å
α = 96.127(6)°, β = 90.015(7)°, γ = 91.229(7)°
Ratio:
a:b:c = 0.237 : 1 : 1.1
Unit Cell V:
1366.9 ų
Z:
2
Morphology:
Acicular crystals

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020026DisulfodadsoniteOrlandi P, Biagioni C, Moelo Y, Bonaccorsi E (2013) Lead-antimony sulfosalts from Tuscany (Italy). XIV. Disulfodadsonite, Pb11Sb13S30(S2)0.5, a new mineral from the Ceragiola marble quarry, Apuan Alps: occurrence and crystal structure European Journal of Mineralogy 25 1005-10162013Ceragiola marble quarry, Apuan Alps, Tuscany, Italy0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.820 Å(vs)
3.649 Å(s)
3.416 Å(s)
3.381 Å(vs)
2.857 Å(ms)
2.814 Å(ms)
1.897 Å(ms)
Locality:
Ceragiola quarries, Seravezza quarrying basin, Seravezza, Lucca Province, Tuscany, Italy

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of DisulfodadsoniteHide

Type Locality:
ⓘ Ceragiola quarries, Seravezza quarrying basin, Seravezza, Lucca Province, Tuscany, Italy
General Appearance of Type Material:
As acicular crystals, up to 3–4 mm in length and a few micrometers in width.
Place of Conservation of Type Material:
Museo di Storia Naturale e del Territorio, Università di Pisa, Calci, Italy, catalogue number 19442
Geological Setting of Type Material:
In a cavity of the Liassic marbles quarried in the Ceragiola area, Italy.
Associated Minerals at Type Locality:
BoulangeriteCalciteSphalerite

Synonyms of DisulfodadsoniteHide

Other Language Names for DisulfodadsoniteHide

Related Minerals - Strunz-mindat GroupingHide

2.00.PlumositePb2Sb2S5
2.00.BrowneiteMnS Iso. 43m : F43m

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 DisulfodadsoniteHide

References for DisulfodadsoniteHide

Localities for DisulfodadsoniteHide

Showing 2 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.
Italy (TL)
 
  • Tuscany
    • Lucca Province
      • Seravezza
        • Seravezza quarrying basin
Williams et al. (2012) +1 other reference
Slovakia
 
  • Žilina Region
    • Liptovský Mikuláš District
      • Liptovské Kľačany
Sejkora et al. (2021)
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