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Disulfodadsonite

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Formula:
Pb11Sb13S30(S2)0.5
Colour:
Black
Lustre:
Metallic
Crystal System:
Triclinic
Cl-free homeotype of dadsonite, stabilized by disulfide ions, (S2)2- (hence "disulfidodadsonite" may have been a more correct name).



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Classification of DisulfodadsoniteHide

Approved
Approval Year:
2011
2.00.

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

Physical Properties of DisulfodadsoniteHide

Metallic
Colour:
Black
Comment:
Under the ore microscope, it is white with red internal reflections visible on the grain edges.

Optical Data of DisulfodadsoniteHide

Type:
Anisotropic
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

Chemical Properties of DisulfodadsoniteHide

Formula:
Pb11Sb13S30(S2)0.5
IMA Formula:
Pb11Sb13S30(S2)0.5

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:
3
Morphology:
Acicular crystals

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.820(vs)
3.649(s)
3.416(s)
3.381(vs)
2.857(ms)
2.814(ms)
1.897(ms)

Type Occurrence of DisulfodadsoniteHide

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:

Synonyms of DisulfodadsoniteHide

Related Minerals - Nickel-Strunz GroupingHide

2.00.BrowneiteMnS Iso. 4 3m : F4 3m

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.

References for DisulfodadsoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Orlandi, P., Moëlo, Y., Biagioni, C. and Bonaccorsi, E. (2012): Disulfodadsonite, IMA 2011-076. CNMNC Newsletter No. 12, February 2012, page 152; Mineralogical Magazine, 76, 151-155.
Orlandi, P., Biagioni, C., Moëlo, Y., Bonaccorsi, E. (2014): 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, 1005-1016.

Internet Links for DisulfodadsoniteHide

Localities for DisulfodadsoniteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Italy (TL)
 
  • Tuscany
    • Lucca Province
      • Apuan Alps
        • Seravezza
          • Seravezza Quarries
Orlandi, P., Moëlo, Y., Biagioni, C. and Bonaccorsi, E. (2012) Disulfodadsonite, IMA 2011-076. CNMNC Newsletter No. 12, February 2012, page 152; Mineralogical Magazine, 76, 151–155. ; boulangerite, calcite, and sphalerite
Mineral and/or Locality  
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