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Aktashite

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About AktashiteHide

Formula:
Cu6Hg3As4S12
Colour:
Gray-black
Lustre:
Metallic
Hardness:
Specific Gravity:
5.5
Crystal System:
Trigonal
Name:
Named after its discovery locality in Russia.
Published without approbation, but recognize as valid species by the IMA CNMNC Sulfosalts Subcommittee (2008).
Isostructural with:

Classification of AktashiteHide

Approved
Notes:
Renamed by the IMA
Approval History:
Renamed by IMA: 2008
2.GA.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
A : Neso-sulfarsenites, etc. without additional S
3.4.13.2

3 : SULFOSALTS
4 : ø = 3
5.4.3

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
4 : Sulpharsenites etc. of Zn and Hg

Physical Properties of AktashiteHide

Metallic
Transparency:
Opaque
Colour:
Gray-black
Comment:
white in reflected light
Streak:
black
Hardness:
3½ on Mohs scale
Hardness:
VHN50=300 - 346 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Conchoidal
Density:
5.5 g/cm3 (Measured)    5.72 g/cm3 (Calculated)

Optical Data of AktashiteHide

Type:
Anisotropic
Anisotropism:
weak in shades of blue
Colour in reflected light:
White

Chemical Properties of AktashiteHide

Formula:
Cu6Hg3As4S12
Common Impurities:
Zn,Sb

Crystallography of AktashiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
R3
Cell Parameters:
a = 13.730(3) Å, c = 9.329(1) Å
Ratio:
a:c = 1 : 0.679
Unit Cell V:
1,523.02 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Rarely in crystals resembling trigonal pyramids, to 0.2 mm, which may be zoned with gruzdevite; as xenomorphic grains and granular aggregates.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.04 Å(20)
3.10 Å(100)
2.69 Å(70)
1.903 Å(100)
1.621 Å(100)
1.554 Å(20)
1.345 Å(30)
1.236 Å(40)
1.204 Å(20)
Comments:
Gal-Khaya, Yakutia, Russia (ICDD 25-298).

Geological EnvironmentHide

Geological Setting:
Hydrothermal veins

Type Occurrence of AktashiteHide

Place of Conservation of Type Material:
Central Siberian Geological Museum, Novosibirsk, Russia, III-14/1; National School of Mines, Paris, France.
Geological Setting of Type Material:
Uncommon, of hydrothermal origin in complex polymetallic As–Hg-bearing deposits.
Associated Minerals at Type Locality:

Other Language Names for AktashiteHide

German:Aktashit
Simplified Chinese:硫砷汞铜矿
Spanish:Aktashita

Relationship of Aktashite to other SpeciesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Aktashite associated with ArsiccioiteAgHg2Tl(As,Sb)2S6
1 photo of Aktashite associated with RealgarAs4S4

Related Minerals - Nickel-Strunz GroupingHide

2.GA.05ProustiteAg3AsS3Trig. 3m (3 2/m) : R3c
2.GA.05PyrargyriteAg3SbS3Trig. 3m : R3c
2.GA.10PyrostilpniteAg3SbS3Mon. 2/m : P21/b
2.GA.10XanthoconiteAg3AsS3Mon. 2/m : B2/b
2.GA.15SamsoniteAg4MnSb2S6Mon. 2/m : P21/m
2.GA.20SkinneriteCu3SbS3Mon. 2/m : P21/b
2.GA.20WitticheniteCu3BiS3Orth. 2 2 2 : P21 21 21
2.GA.25LapieiteNiCuSbS3Orth.
2.GA.25MückeiteNiCu(Bi,Sb)S3Orth. 2 2 2 : P21 21 21
2.GA.25MalyshevitePdCuBiS3Orth. mmm (2/m 2/m 2/m) : Pmmm
2.GA.25LisiguangitePtCuBiS3Orth. 2 2 2 : P21 21 21
2.GA.30GruzdeviteCu6Hg3Sb4S12Trig.
2.GA.30NowackiiteCu6Zn3As4S12Trig. 3 : R3
2.GA.35LaffittiteAgHgAsS3Mon.
2.GA.40RouthieriteTl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6Tet. 4 2m : I4 2m
2.GA.40StalderiteTl(Cu,Ag)(Zn,Fe,Hg)2(As,Sb)2S6Tet.
2.GA.45ErniggliiteTl2SnAs2S6Trig. 3 : P3
2.GA.50BournonitePbCuSbS3Orth. mm2 : Pmn21
2.GA.50SeligmannitePbCuAsS3Orth. mmm (2/m 2/m 2/m) : Pmmn
2.GA.50SoučekitePbCuBi(S,Se)3Orth.

Related Minerals - Dana Grouping (8th Ed.)Hide

3.4.13.1NowackiiteCu6Zn3As4S12Trig. 3 : R3
3.4.13.3GruzdeviteCu6Hg3Sb4S12Trig.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

5.4.1NowackiiteCu6Zn3As4S12Trig. 3 : R3
5.4.2Florensovite(Cu,Zn)Cr1.5Sb0.5S4Iso. m3m (4/m 3 2/m)
5.4.4LaffittiteAgHgAsS3Mon.
5.4.5Galkhaite(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12Iso. 4 3m : I4 3m
5.4.6LivingstoniteHgSb4S6(S2)Mon. 2/m : B2/b
5.4.7GruzdeviteCu6Hg3Sb4S12Trig.
5.4.8TvalchrelidzeiteHg3SbAsS3Mon. 2/m
5.4.9Hakite-(Hg)Cu6Cu4Hg2Sb4Se12SeIso. 4 3m : I4 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 AktashiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Vasil'ev, V.I. (1968) New ore minerals of the mercury deposits of Gornyi Altai and their parageneses. In: Voprosy metallogenii rtuti (Problems of mercury metallogeny). Izdatelstvo "Nauka" Moskva 1968, 111-129.
Fleischer, M. (1971) New mineral names. American Mineralogist: 56: 358-362.
Gruzdev, V.S., Chernitsova, N.M., Shumkova, N.G. (1972) Aktashite - Cu6Hg3As5S12, new data. Doklady Akademii Nauk SSSR: 206(3): 694-697.
Fleischer, M. (1973) New mineral names. American Mineralogist: 58: 560-562.
Kaplunik, L.N., Pobedimskaya, E.A., Belov, H.V. (1980) Kristallicheskaya struktura aktashimita Cu6Hg3As4S12. Doklady Akademii Nauk SSSR: 251(1): 96-98.
Nowacki, W. (1982): Isotypy in aktashite Cu6Hg3As4S12 and nowackiite Cu6Zn3As4S12. Soviet Physics - Crystallography 27, 26-27.
Vasil’ev, V.I., Pervukhina, N.V., Borisov, S.V., Magarill, S.A., Naumov, D.Y., Kurat’eva, N.V. (2010) Aktashite Cu6Hg3As4S12 from the Aktash deposit, Altai, Russia: Refinement and crystal chemical analysis of the structure. Geology of Ore Deposits: 52: 656-661.

Internet Links for AktashiteHide

Localities for AktashiteHide

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.
Abkhazia
 
  • Gudauta District
Vasil’ev, V.I., Pervukhina, N.V., Borisov, S.V., Magarill, S.A., Naumov, D.Y., and Kurat’eva, N.V. [Васильев, В.И., Первухина, Н.В., Борисов, С.В., Магарилл, С.А., Наумов, Д.Ю., и Куратьева, Н.В.] (2009) Refinement and crystal chemical analysis of the structure of Aktashite Cu6Hg3As4S12 from the Aktash deposit( Altai, Russia) [Уточнение и кристаллохимический анализ структуры акташита Cu6Hg3As4S12 из месторождения Акташ (Алтай, Россия)]. Zapiski RMO [Записки РМО], 138, 2, 75-82 (in Russian); Vasil’ev, V.I., Pervukhina, N.V., Borisov, S.V., Magarill, S.A., Naumov, D.Y., and Kurat’eva, N.V. (2010) Aktashite Cu6Hg3As4S12 from the Aktash deposit, Altai, Russia: Refinement and crystal chemical analysis of the structure. Geology of Ore Deposits, 52, 7, 656-661.
Canada
 
  • British Columbia
    • Liard Mining Division
      • Iskut River
MINFILE NUMBER: 104B 008
  • Ontario
    • Thunder Bay District
      • Bomby Township
Mineralogical Magazine 1988 52 : 691-697; Powell, W. G., & Pattison, D. R. (1997). An exsolution origin for low-temperature sulfides at the Hemlo gold deposit, Ontario, Canada. Economic Geology, 92(5), 569-577.
Ann P.Sabina (1991), Rocks and Minerals for the Collector, Sudbury to Winnipeg. GSC Misc. Report 49. p.86
Econ Geol (1997) 92:569-577; Powell, W. G., & Pattison, D. R. (1997). An exsolution origin for low-temperature sulfides at the Hemlo gold deposit, Ontario, Canada. Economic Geology, 92(5), 569-577.
China
 
  • Sichuan
    • Ngawa Autonomous Prefecture (Aba Autonomous Prefecture)
      • Jiuzhaigou Co. (Nanping Co.)
http://www.idm.gov.vn/Nguon_luc/Xuat_ban/2004/B23/b42.htm
France
 
  • Provence-Alpes-Côte d'Azur
    • Hautes-Alpes
      • La Chapelle-en-Valgaudemar (La Chapelle-en-Valgaudémar)
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Johan, Z. & Mantienne, J. (2000): Thallium-rich mineralization at Jas Roux, Hautes-Alpes, France: a complex epithermal, sediment-hosted, ore-forming system. J. Czech Geol. Soc. 45, 63-77.
Georgia
 
  • Racha-Lechkhumi and Kvemo Svaneti
    • Mestia-Racha District
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Iran
 
  • West Azerbaijan Province
    • Takab County
Asadi, H.H., Voncken, J.H.L, Kühnel, R.A., and Hale, M. (2000): Mineralium Deposita 35, 656-671.
Italy
 
  • Tuscany
    • Lucca Province
      • Stazzema
        • Sant'Anna di Stazzema
Biagioni, C., Bonaccorsi, E., Moëlo, Y., Orlandi, P. (2014): Mercury-arsenic sulfosalts from Apuan Alps (Tuscany, Italy). II. Aktashite, Cu6Hg3As4S12, and laffittite, AgHgAsS3, from the Monte Arsiccio mine: occurrence and crystal structure. Periodico di Mineralogia, 83, 1-18.; Biagioni, C., Bonaccorsi, E., Moëlo, Y., & Orlandi, P. (2014). Mercury-arsenic sulfosalts from Apuan Alps (Tuscany, Italy). I. Routhierite,(Cu0. 8Ag0. 2) Hg2Tl (As1. 4Sb0. 6)∑= 2S6, from Monte Arsiccio mine: occurrence and crystal structure. European Journal of Mineralogy, 26(1), 163-170.
Kyrgyzstan
 
  • Batken Region
[Lapis 11:11-24]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Osh Region
[Lapis 1993:11 p11-24]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Spiridonov, E. M., KRAPIVA, L., Stepanov, V. I., & Chvileva, T. N. (1981). Antimonous Aktashite from the Chauvai Mercury Deposit (Central Asia). Doklady Akademii Nauk SSSR, 261(3), 744-748.
Mexico
 
  • Sonora
    • Moctezuma Municipality
Lapis 2001(1), 11-40
Handbook of Mineralogy
Russia (TL)
 
  • Altai Republic
    • Ulagansky District
[Clark, 1993 - "Hey's Mineral Index, 3rd Edition"]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; V. I. Vasil’ev, N. V. Pervukhina, S. V. Borisov, S. A. Magarill, D. Yu. Naumov and N. V. Kurat’eva (2010): Aktashite Cu6Hg3As4S12 from the Aktash deposit, Altai, Russia: Refinement and crystal chemical analysis of the structure. Geology of Ore Deposits 52, 656-661.
  • Sakha Republic (Yakutia)
    • Ust-Yansky District
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    • Verkhoyansk District
Bryzgalov, I. A., Shcherbachev, D. K., & Konyshev, V. O. (1999). Aktashite in Ores from the Kyuchus Gold-Mercury Deposit, Northeastern Yakutia. In Doklady earth sciences (Vol. 365, pp. 272-275). Springer.
  • Sverdlovsk Oblast
    • Beryozovsky
Vikent'eva, O., & Vikentev, I. (2016, April). Occurrence modes of As, Sb, Te, Bi, Ag in sulfide assemblages of gold deposits of the Urals. In IOP Conference Series: Materials Science and Engineering (Vol. 123, No. 1, p. 012028). IOP Publishing.
    • Serovsky District
      • Turinsk-Auerbakovsk ore field
        • Turya river
          • Tur'insk
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; American Mineralogist, 82, 620-624; Vikent'eva, O., & Vikentev, I. (2016, April). Occurrence modes of As, Sb, Te, Bi, Ag in sulfide assemblages of gold deposits of the Urals. In IOP Conference Series: Materials Science and Engineering (Vol. 123, No. 1, p. 012028). IOP Publishing.; Vikentyev, I. V., & Vikentyeva, O. V. (2015). Precious metal minerals and “invisible” gold in sulfide ores of Urals. In Mater. of ХII Int. Sci. Conf.“Advanced Technologies, Equipment and Analytical Systems for Materials and Nano-Materials (Vol. 3, pp. 33-41).; Kasatkin, A.V., Makovicky, E., Plášil, J., Škoda, R., Agakhanov, A.A, Karpenko, V.Y. and Nestola, F. (2018) Tsygankoite, Mn8Tl8Hg2(Sb21Pb2Tl)S24S48, a New Sulfosalt from the Vorontsovskoe Gold Deposit, Northern Urals, Russia. Minerals: 8(5): 218.; Vikent'eva, O., & Vikentev, I. (2016, April). Occurrence modes of As, Sb, Te, Bi, Ag in sulfide assemblages of gold deposits of the Urals. In IOP Conference Series: Materials Science and Engineering (Vol. 123, No. 1, p. 012028). IOP Publishing.
Spain
 
  • Castile and Leon
    • León
      • Maraña
        • Puerto de las Señales
Martín-Izard, A., Gumiel, P., Arias, M., Cepedal, A., Fuertes-Fuente, M., & Reguilón, R. (2009). Genesis and evolution of the structurally controlled vein mineralization (Sb–Hg) in the Escarlati deposit (León, Spain): Evidence from fault population analysis methods, fluid-inclusion research and stable isotope data. Journal of Geochemical Exploration, 100(1), 51-66.
Switzerland
 
  • Valais
    • Goms
      • Binn
        • Fäld (Imfeld; Im Feld; Feld)
http://www.fglb.clubdesk.com/clubdesk/www?p=100100
Taiwan
 
  • Taiwan Province
    • New Taipei City
      • Ruifang District
Henley, R. W., & Berger, B. R. (2012). Pyrite–sulfosalt reactions and semimetal fractionation in the Chinkuashih, Taiwan, copper–gold deposit: a 1 Ma paleo‐fumarole. Geofluids, 12(3), 245-260.
USA
 
  • Nevada
    • Eureka Co.
      • Lynn Mining District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Humboldt Co.
      • Osgood Mountains
        • Potosi Mining District
          • Adam Peak
NBMG Spec. Pub. 31 Minerals of Nevada
    • Lander Co.
      • Cortez Mining District
Clark, L. R. (2012). Ore and gangue mineral paragenesis of the Cortez Hills Carlin-type gold deposit, Nevada: evidence for coincident high-grade gold deposition and collapse brecciation. MS Thesis, University of Nevada
 
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