Barikaite (original) (raw)

A valid IMA mineral species

Formula:

Ag3Pb10(Sb8As11)S40

Specific Gravity:

5.34 (Calculated)

Crystal System:

Monoclinic

Name:

For the type locality.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:43578:9

69a4052f-309f-446f-9f69-782d11c35271

IMA Classification of BarikaiteHide

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IMA Formula:

Ag3Pb10(Sb8As11)Σ19S40

Type description reference:

Topa, D., Makovicky, E., Tajedin, H., Putz, H., Zagler, G. (2013) Barikaite, Pb10Ag3(Sb8As11)Σ19S40, a new member of the sartorite homologous series. Mineralogical Magazine, 77 (7) 3039-3046 doi:10.1180/minmag.2013.077.7.13

Classification of BarikaiteHide

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2.HB.

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb

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.

Physical Properties of BarikaiteHide

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Hardness:

VHN50=200 kg/mm2 - Vickers

Fracture:

Irregular/Uneven

Density:

5.34 g/cm3 (Calculated)

Optical Data of BarikaiteHide

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Anisotropism:

distinct, in shades of grey.

Bireflectance:

distinct bireflectance in grey tones,

Reflectivity:

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 39.3%.
R1 shown in black, R2 shown in red

Colour in reflected light:

greyish white

Internal Reflections:

none

Chemistry of BarikaiteHide

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Mindat Formula:

Ag3Pb10(Sb8As11)S40

Crystallography of BarikaiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 8.519(1) Å, b = 8.057(1) Å, c = 24.905(2) Å
β = 98.926(6)°

Ratio:

a:b:c = 1.057 : 1 : 3.091

Unit Cell V:

1,688.72 ų (Calculated from Unit Cell)

Crystal StructureHide

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X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

From Type Description.

Geological EnvironmentHide

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Type Occurrence of BarikaiteHide

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General Appearance of Type Material:

Place of Conservation of Type Material:

Department of Materials Engineering and Physics, University of Salzburg, Salzburg, Austria, specimen number 15005

Geological Setting of Type Material:

gold-rich volcanogenic massive sulfide deposit of Cretaceous age. Greenschist metamorphism and deformation in the form of shear zones overprinted the original synvolcanic stratiform textures

Associated Minerals at Type Locality:

Reference:

Topa, D., Makovicky, E., Tajedin, H., Putz, H., Zagler, G. (2013): Barikaite, Pb10Ag3(Sb8As11)sum19S40, a new member of the sartorite homologous series. Mineralogical Magazine, 77, 3039-3046.

Synonyms of BarikaiteHide

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Relationship of Barikaite to other SpeciesHide

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Other Members of this group:

Related Minerals - Strunz-mindat GroupingHide

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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 BarikaiteHide

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References for BarikaiteHide

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Reference List:

Topa, D., Makovicky, E., Tajedin, H., Putz, H., Zagler, G. (2013) Barikaite, Pb10Ag3(Sb8As11)Σ19S40, a new member of the sartorite homologous series. Mineralogical Magazine, 77 (7) 3039-3046 doi:10.1180/minmag.2013.077.7.13

Topa, D., Makovicky, E., Tajedin, H., Putz, H., Zagler, G. (2013) Barikaite, Pb10Ag3(Sb8As11)Σ19S40, a new member of the sartorite homologous series. Mineralogical Magazine, 77 (7) 3039-3046 doi:10.1180/minmag.2013.077.7.13

Localities for BarikaiteHide

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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

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- 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.