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⇱ Dantopaite: Mineral information, data and localities.

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Dantopaite

A valid IMA mineral species
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About DantopaiteHide

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Formula:
Ag5Bi13S22
Empirical formula:
Cu1.06Ag4.24Pb0.9Bi12.23S21.89Te0.11. May contain minor Fe that is positively correlated with the Pb content (Pažout, 2025).
Colour:
Gray-white
Lustre:
Metallic
Hardness:
3½
Specific Gravity:
6.74 (Calculated)
Crystal System:
Monoclinic
Name:
The name honors Dr. Dan Topa (b. 1955, Bukarest, Romania), University of Salzburg, ore mineralogist and crystallographer.
N = 6 member of Pavonite homologous series.
A probable "(Cu,Pb)-analogue of dantopaite" was described by Kolitsch et al. (2019).

Chemically, the S analogue of Unnamed (Se-analogue of Dantopaite).


Unique IdentifiersHide

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Mindat ID:
39325
Long-form identifier:
mindat:1:1:39325:2

IMA Classification of DantopaiteHide

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Approved
Approval year:
2009
First published:
2010

Classification of DantopaiteHide

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2.JA.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
3.8.10.9

3 : SULFOSALTS
8 : 1 < ø < 2

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
DntIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
DntThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of DantopaiteHide

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Metallic
Transparency:
Opaque
Colour:
Gray-white
Streak:
Gray
Hardness:
3½ on Mohs scale
Hardness:
VHN50=190 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.74 g/cm3 (Calculated)
Comment:
Density could not be measured.

Optical Data of DantopaiteHide

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Anisotropism:
Distinct in air and becomes enhanced in oil. Between crossed polars, bluish grey to brownish grey rotation- tints are common.
Bireflectance:
Perceptible in air and moderate in oil.
Reflectivity:
WavelengthR1 (%)R2 (%)
400nm41.2%46.8%
420nm41.4%47.5%
440nm41.8%48.9%
460nm41.6%48.6%
470nm41.5%48.3%
480nm41.6%48.5%
500nm41.4%48.1%
520nm41.2%48.0%
540nm41.0%47.3%
560nm40.9%47.3%
580nm40.5%47.1%
589nm40.4%46.6%
600nm40.4%46.8%
620nm40.2%46.6%
640nm39.3%45.8%
650nm39.9%46.1%
660nm39.9%45.8%
680nm39.6%45.4%
700nm39.6%45.2%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 48.9%.
R1 shown in black, R2 shown in
Colour in reflected light:
Grayish white
Pleochroism:
Visible
Comments:
Shades of grey

Chemistry of DantopaiteHide

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Mindat Formula:
Ag5Bi13S22

Empirical formula:
Cu1.06Ag4.24Pb0.9Bi12.23S21.89Te0.11. May contain minor Fe that is positively correlated with the Pb content (Pažout, 2025).
Element Weights:
Element% weight
Bi68.578 %
S17.807 %
Ag13.615 %

Calculated from ideal end-member formula.

Chemical AnalysisHide

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Empirical formulas:
Sample IDEmpirical Formula
1(1) Cu1.36Ag4.39Pb0.12Bi12.62Sb0.06(S14.01Se7.91Te0.08); (2) Cu0.89Ag4.50Pb0.49Bi12.53Sb0.07(S11.26Se10.74)

Crystallography of DantopaiteHide

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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 13.380(3) Å, b = 4.0492(9) Å, c = 18.690(4) Å
β = 105.494(4)°
Ratio:
a:b:c = 3.304 : 1 : 4.616
Unit Cell V:
975.79 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Isolated grains intimately intergrown with pavonite or benjaminite or both.

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006280DantopaiteMakovicky E, Paar W H, Putz H, Zagler G (2010) Dantopaite, Ag5Bi13S22, the 6P natural member of the pavonite homologous series, from Erzwies, Austria The Canadian Mineralogist 48 467-4812010Erzwies, Austria0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:
d-spacingIntensity
3.578 Å(58)
3.452 Å(90)
3.331 Å(36)
3.301 Å(40)
2.861 Å(100)
2.225 Å(24)
2.025 Å(25)
2.013 Å(24)

Geological EnvironmentHide

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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 DantopaiteHide

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General Appearance of Type Material:
Isolated grains and intimately intergrown with pavonite or benjaminite or both, to 300 μm.
Place of Conservation of Type Material:
Department of Materials Research and Physics (Division of Mineralogy), University of Salzburg, Austria.
Geological Setting of Type Material:
In a quartz vein, cutting gneiss.
Associated Minerals at Type Locality:

Synonyms of DantopaiteHide

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Other Language Names for DantopaiteHide

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German:Dantopait

Relationship of Dantopaite to other SpeciesHide

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Other Members of Pavonite Homologous Series:
BenjaminiteAg3Bi7S12Mon. 2/m : B2/m
CupromakopavoniteAg3Cu8Pb4Bi19S38Mon. 2/m : B2/m
CupromakovickyiteCu4AgPb2Bi9S18Mon. 2/m : B2/m
CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5 Mon. 2/m : B2/m
GraţianiteMnBi2S4Mon. 2/m : B2/m
GrumipluciteHgBi2S4Mon. 2/m : B2/m
Kudriavite(Cd,Pb)Bi2S4Mon. 2/m : B2/m
LuboržákiteMn2AsSbS5Mon. 2/m : B2/m
MakovickyiteCu1.12Ag0.81Pb0.27Bi5.35S9Mon. 2/m
MummeiteCu0.58Ag3.11Pb1.10Bi6.65S13Mon.
PavoniteAgBi3S5Mon. 2/m : B2/m
SunshuiteThe Fe analogue of graţianite.Mon. 2/m : B2/m

Common AssociatesHide

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Associated Minerals Based on Photo Data:
2 photos of Dantopaite associated with CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5
2 photos of Dantopaite associated with PavoniteAgBi3S5
2 photos of Dantopaite associated with QuartzSiO2

Related Minerals - Strunz-mindat GroupingHide

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2.JA.FerdowsiiteAg8(Sb5As3)S16Mon. 2/m : P21/b
2.JA.LuboržákiteMn2AsSbS5Mon. 2/m : B2/m
2.JA.SangenaroiteAg8(Sb8-xAsx)SΣ16 Mon. 2/m
2.JA.05aPavoniteAgBi3S5Mon. 2/m : B2/m
2.JA.05bGrumipluciteHgBi2S4Mon. 2/m : B2/m
2.JA.05cKudriavite(Cd,Pb)Bi2S4Mon. 2/m : B2/m
2.JA.05dCupromakovickyiteCu4AgPb2Bi9S18Mon. 2/m : B2/m
2.JA.05eBenjaminiteAg3Bi7S12Mon. 2/m : B2/m
2.JA.05iLivingstoniteHgSb4S6(S2)Mon. 2/m : B2/b
2.JA.05hMozgovaitePbBi4S7Orth. mmm(2/m2/m2/m)
2.JA.05aCupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5 Mon. 2/m : B2/m
2.JA.05SelenodantopaiteAg5Bi13Se22Mon. 2/m : B2/m
2.JA.05gBorodaeviteAg5(Bi,Pb,Fe)8(Sb,Bi)2S17Mon.
2.JA.05aCupromakopavoniteAg3Cu8Pb4Bi19S38Mon. 2/m : B2/m
2.JA.05dMakovickyiteCu1.12Ag0.81Pb0.27Bi5.35S9Mon. 2/m
2.JA.05fMummeiteCu0.58Ag3.11Pb1.10Bi6.65S13Mon.
2.JA.10bKupčíkiteCu3.4Fe0.6Bi5S10Mon. 2/m : B2/m
2.JA.10dPizgrischite(Cu,Fe)Cu14PbBi17S35Mon. 2/m : B2/m
2.JA.10cHodrušiteCu8Bi12S22Mon. 2/m
2.JA.10aCuprobismutiteCu8AgBi13S24Mon. 2/m : B2/m
2.JA.10ePadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22Mon. 2/m : P21/m
2.JA.15SchapbachiteAg0.4Pb0.2Bi0.4SIso. m3m(4/m32/m) : Fm3m
2.JA.15CuboargyriteAgSbS2Iso. m3m(4/m32/m)
2.JA.20MatilditeAgBiS2Trig. 32 : P3121
2.JA.20VolynskiteAgBiTe2Trig. 3m(32/m) : P3m1
2.JA.20BohdanowicziteAgBiSe2Trig. 3m(32/m) : P3m1

Other InformationHide

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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 DantopaiteHide

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mindat.org URL:
https://www.mindat.org/min-39325.html
Please feel free to link to this page.

References for DantopaiteHide

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Localities for DantopaiteHide

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Showing 7 localities.

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

Locality ListHide

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👁 Image
- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- 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.
Austria (TL)
  • Salzburg
    • St. Johann im Pongau District
      • Bad Hofgastein
Makovicky et al. (2010)
Czech Republic
  • Central Bohemian Region
    • Kutná Hora District
      • Kutná Hora
Pažout (2025)
Germany
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Oberwolfach
Kolitsch et al. (2019)
Russia
  • Chelyabinsk Oblast
    • Kaslinsky District
Rogov et al. (2023)
Rogov et al. (2023)
Slovakia
  • Banská Bystrica Region
    • Žarnovica District
      • Hodruša-Hámre
        • Hodruša-Hámre mines
Jeleň et al. (2012)
USA
  • Nevada
    • Esmeralda County
      • Goldfield Mining District
        • Goldfield
Musetti et al. (2023)
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