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Ferrovorontsovite

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Formula:
(Fe5Cu)Σ6TlAs4S12
Colour:
Black
Lustre:
Metallic
Hardness:
Specific Gravity:
4.744 (Calculated)
Crystal System:
Isometric
Member of:
Name:
For being the iron analogue of vorontsovite. The root name is for the type locality, but also honors the mining engineer Vladimir Vasilyevich Vorontsov (1842 – after 1908), superintendent of the Bogoslovskiy mining district.
Isostructural with:
The Fe analogue of voronstovite and Fe-Tl analogue of galkhaite. Chemically similar to ferrostalderite.


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Classification of FerrovorontsoviteHide

Approved
Approval Year:
2017
First Published:
2018

Physical Properties of FerrovorontsoviteHide

Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Black
Hardness:
3½ on Mohs scale
Hardness:
VHN10=166 - 174 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
None observed
Fracture:
Irregular/Uneven
Density:
4.744 g/cm3 (Calculated)

Optical Data of FerrovorontsoviteHide

Type:
Isotropic
Bireflectance:
None observed
Colour in reflected light:
Light gray
Internal Reflections:
None observed
Pleochroism:
Non-pleochroic

Chemical Properties of FerrovorontsoviteHide

Formula:
(Fe5Cu)Σ6TlAs4S12
IMA Formula:
(Fe5Cu)S6TlAs4S12

Crystallography of FerrovorontsoviteHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
I4 3m
Cell Parameters:
a = 10.2390(7) Å
Unit Cell V:
1,073.43 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.175(93)
3.646(13)
2.952(100)
2.735(57)
2.562(18)
1.869(11)
1.810(40)
1.543(24)

Type Occurrence of FerrovorontsoviteHide

General Appearance of Type Material:
Black anhedral grains to 0.2 mm in dolomite-calcite matrix.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, registration number 4976/1.
Reference:
Kasatkin, Anatoly V., Nestola, F., Agakhanov, A.A., Škoda, R., Karpenko, V.Y., Tsyganko, M.V., Plášil, J. (2018) Vorontsovite, (Hg5Cu)S6TlAs4S12, and Ferrovorontsovite, (Fe5Cu)S6TlAs4S12: The Tl- and Tl-Fe-Analogues of Galkhaite from the Vorontsovskoe Gold Deposit, Northern Urals, Russia. Minerals 2018: 8(5): 185.

Synonyms of FerrovorontsoviteHide

Relationship of Ferrovorontsovite to other SpeciesHide

Member of:
Other Members of this group:
Galkhaite(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12Iso. 4 3m : I4 3m
Vorontsovite(Hg5Cu)Σ6TlAs4S12Iso. 4 3m : I4 3m

Fluorescence of FerrovorontsoviteHide

None observed

Other InformationHide

Notes:
Insoluble in acids and alkalis
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 FerrovorontsoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kasatkin, A.V., Nestola, F., Agakhanov, A.A., Škoda, R., Karpenko, V.Y. and Tsyganko, M.V. (2017) Ferrovorontsovite, IMA 2017-007. CNMNC Newsletter No. 37, June 2017, page 740; Mineralogical Magazine: 81: 737-742.
Kasatkin, Anatoly V., Nestola, F., Agakhanov, A.A., Škoda, R., Karpenko, V.Y., Tsyganko, M.V., Plášil, J. (2018) Vorontsovite, (Hg5Cu)S6TlAs4S12, and Ferrovorontsovite, (Fe5Cu)S6TlAs4S12: The Tl- and Tl-Fe-Analogues of Galkhaite from the Vorontsovskoe Gold Deposit, Northern Urals, Russia. Minerals 2018: 8(5): 185; https://doi.org/10.3390/min8050185

Internet Links for FerrovorontsoviteHide

Localities for FerrovorontsoviteHide

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.
Russia (TL)
 
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Krasnotur'insk (Bogolovsk; Krasnoturjinsk; Krasnoturyinsk)
          • Turya river
            • Tur'insk
Kasatkin, A.V., Nestola, F., Agakhanov, A.A., Škoda, R., Karpenko, V.Y. and Tsyganko, M.V. (2017) Ferrovorontsovite, IMA 2017-007. CNMNC Newsletter No. 37, June 2017, page 740; Mineralogical Magazine, 81, 737-742.
Mineral and/or Locality  
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