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Tsugaruite

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About TsugaruiteHide

Formula:
Pb4As2S7
Colour:
Lead-gray
Lustre:
Metallic
Hardness:
2½ - 3
Crystal System:
Orthorhombic
Name:
Named after the discovery locality, Yunosawa Mine, Tsugaru-gun, Aomori Prefecture, Japan.
This page provides mineralogical data about Tsugaruite.


Classification of TsugaruiteHide

Approved
Approval Year:
1997
2.JB.30c

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb

Physical Properties of TsugaruiteHide

Metallic
Transparency:
Opaque
Colour:
Lead-gray
Streak:
Lead-gray
Hardness:
2½ - 3 on Mohs scale

Chemical Properties of TsugaruiteHide

Formula:
Pb4As2S7

Crystallography of TsugaruiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 15.179(1) Å, b = 38.195(1) Å, c = 8.0745(1) Å
Ratio:
a:b:c = 0.397 : 1 : 0.211
Unit Cell V:
4,681.29 ų (Calculated from Unit Cell)
Z:
16
Comment:
Space group Pnn2 or Pnnm according to Shimizu et al. (1998). Sub-cell with halved c.

Type Occurrence of TsugaruiteHide

Synonyms of TsugaruiteHide

Other Language Names for TsugaruiteHide

German:Tsugaruit
Japanese:津軽鉱
Spanish:Tsugaruita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Baryte7 photos of Tsugaruite associated with Baryte on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.JB.Andorite VIAgPbSb3S6Orth. mm2 : Pmn21
2.JB.05DiaphoriteAg3Pb2Sb3S8Mon. 2/m : P21/b
2.JB.10CosalitePb2Bi2S5Orth. mmm (2/m 2/m 2/m)
2.JB.15FreieslebeniteAgPbSbS3Mon. 2/m : P21/b
2.JB.15MarriteAgPbAsS3Mon. 2/m : P21/b
2.JB.20CannizzaritePb48Bi56S132Mon. 2/m : P21/m
2.JB.20WittitePb9Bi12(S,Se)27Mon.
2.JB.25aJunoiteCu2Pb3Bi8(S,Se)16Mon. 2/m : B2/m
2.JB.25iNeyiteAg2Cu6Pb25Bi26S68Mon.
2.JB.25cNordströmiteCuPb3Bi7(Se4S10)Mon.
2.JB.25gNuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7Orth.
2.JB.25dProuditeCuPb7.5Bi9.33(S,Se)22Mon. 2/m : B2/m
2.JB.25hWeibullitePb5Bi8Se7S11Orth.
2.JB.25bFelbertaliteCu2Pb6Bi8S19Mon. 2/m : B2/m
2.JB.25jRouxeliteCu2HgPb23Sb27S65.5Mon. 2/m : B2/m
2.JB.25fÁngelaiteCu2AgPbBiS4Orth. mmm (2/m 2/m 2/m) : Pnma
2.JB.25iCuproneyiteCu7Pb27Bi25S68Mon. 2/m : B2/m
2.JB.30aGeocronitePb14(Sb,As)6S23Mon. 2/m : P21/m
2.JB.30aJordanitePb14(As,Sb)6S23Mon. 2/m : P21/m
2.JB.30bKirkiitePb10Bi3As3S19Mon. 2/m : P21/m
2.JB.35cPillaitePb9Sb10S23ClO0.5Mon. 2/m : B2/m
2.JB.35aZinkenitePb9Sb22S42Hex. 6 : P63
2.JB.35bScainiitePb14Sb30S54O5Mon. 2/m : B2/m
2.JB.35dPellouxite(Cu,Ag)Pb10Sb12S27O(Cl,S)0.6Mon. 2/m : B2/m
2.JB.35fTubuliteAg2Pb22Sb20S53 Mon. m : Pb
2.JB.35eChovanitePb15-2xSb14+2xS36Ox (x ~ 0.2)Mon. 2/m : B2/m
2.JB.40bAschamalmitePb6Bi2S9Mon. 2/m
2.JB.40aBursaitePb5Bi4S11 (?)Orth.
2.JB.40bEskimoiteAg7Pb10Bi15S36Mon.
2.JB.40aFizélyiteAg5Pb14Sb21S48 Mon. 2/m
2.JB.40aGustaviteAgPbBi3S6Orth. mmm (2/m 2/m 2/m)
2.JB.40aLillianitePb3-2xAgxBi2+xS6Orth. mmm (2/m 2/m 2/m)
2.JB.40cOurayiteAg3Pb4Bi5S13Orth.
2.JB.40aRamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24Mon. 2/m
2.JB.40aRoshchiniteAg19Pb10Sb51S96Orth.
2.JB.40dSchirmeritePbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
2.JB.40aTreasuriteAg7Pb6Bi15S32Mon.
2.JB.40aUchucchacuaiteAgMnPb3Sb5S12Orth. mmm (2/m 2/m 2/m) : Pmmm
2.JB.40eUstarasitePb(Bi,Sb)6S10 (?)
2.JB.40aVikingiteAg5Pb8Bi13S30Mon. 2/m : B2/m
2.JB.40aXilingolitePb3Bi2S6Mon.
2.JB.40bHeyrovskýitePb6Bi2S9Orth. mmm (2/m 2/m 2/m) : Cccm
2.JB.40UM1988-05-S:AgBiCuHgPb(Hg,Ag,Cu,Pb)5Pb5Bi11S27
2.JB.40UM1988-06-S:AgBiCuHgPb(Pb,Hg)12(Cu,Ag)3(Bi,Sb)10(S,Te)27
2.JB.40aAndorite IVPb18Ag15Sb47S96Mon. 2 : P2
2.JB.55GratonitePb9As4S15Trig. 3m : R3m
2.JB.60MarrucciiteHg3Pb16Sb18S46Mon. 2/m : B2/m
2.JB.65VurroitePb20Sn2(Bi,As)22S54Cl6Orth.

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 TsugaruiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Shimizu, M., Miyawaki, R., Kato, A., Matsubara, S., Matsuyama, F. and Kiyota, K. (1998): Tsugaruite, Pb4As2S7, a new mineral species from the Yunosawa mine, Aomori Prefecture, Japan. Mineralogical Magazine: 62(6): 793-799.
Matsushita, Y., Momma, K., Miyawaki, R., Sato, A., Kaise, M, Kitazawa, H. (2014): Crystallographic examination of tsugaruite. IMA2014_ABSTRACT VOLUME.pdf, p. 331.

Internet Links for TsugaruiteHide

Localities for TsugaruiteHide

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.
Japan (TL)
 
  • Honshu Island
    • Tohoku Region
      • Aomori Prefecture
        • Minami-Tsugaru-gun
          • Ikarigaseki
Mineralogical Magazine (1998) 62, 793-799 [AmMin 84:992]
Malaysia
 
  • Perak
Kiong, C. K., & Hoe, T. G. (2004). Characterisation of amang minerals from the Klian Intan area, Upper Perak. Geological Society of Malaysia, Bulletin 48 June 2004, p. 125 - 128
Vietnam
 
  • Lam Dong Province
Anh, T. T., Gaskov, I. V., Hoa, T. T., Borisenko, A. S., Izokh, A. E., Dung, P. T., ... & Mai, N. T. (2015). Ta Nang gold deposit in the black shales of Central Vietnam. Russian Geology and Geophysics, 56(10), 1414-1427.
Mineral and/or Locality  
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