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Furutobeite

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About FurutobeiteHide

Formula:
(Cu,Ag)6PbS4
Colour:
Gray
Lustre:
Metallic
Hardness:
3
Specific Gravity:
6.74 (Calculated)
Crystal System:
Monoclinic
Name:
Named after its discovery locality.
This page provides mineralogical data about Furutobeite.


Classification of FurutobeiteHide

Approved
2.BE.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
E : With Pb (Bi)
2.16.12.1

2 : SULFIDES
16 : Miscellaneous
3.6.8

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
6 : Sulphides etc. of Sb and Pb

Physical Properties of FurutobeiteHide

Metallic
Transparency:
Opaque
Colour:
Gray
Hardness:
Hardness:
VHN25=100 - 108 kg/mm2 - Vickers
Density:
6.74 g/cm3 (Calculated)

Optical Data of FurutobeiteHide

Type:
Anisotropic
Anisotropism:
Moderate from light yellow to dark brown
Colour in reflected light:
Creamy yellow tint
Pleochroism:
Weak

Chemical Properties of FurutobeiteHide

Formula:
(Cu,Ag)6PbS4

Crystallography of FurutobeiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 20.02 Å, b = 3.96 Å, c = 9.07 Å
β = 101.57°
Ratio:
a:b:c = 5.056 : 1 : 2.29
Unit Cell V:
704.45 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Granular to 300 microns

Type Occurrence of FurutobeiteHide

Synonyms of FurutobeiteHide

Other Language Names for FurutobeiteHide

German:Furutobeit
Spanish:Furutobeita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz2 photos of Furutobeite associated with Quartz on mindat.org.
Tennantite2 photos of Furutobeite associated with Tennantite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.BE.05Betekhtinite(Cu,Fe)21Pb2S15Orth. mmm (2/m 2/m 2/m) : Immm
2.BE.15RhodplumsiteRh3Pb2S2Trig.
2.BE.15ShanditeNi3Pb2S2Trig.
2.BE.20ParkeriteNi3(Bi,Pb)2S2Mon.
2.BE.25Schlemaite(Cu,◻)6(Pb,Bi)Se4Mon. 2/m : P21/m
2.BE.30PašavaitePd3Pb2Te2Orth. mmm (2/m 2/m 2/m) : Pmmn

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.6.1HerzenbergiteSnSOrth.
3.6.2Ottemannitebeta Sn2S3
3.6.3BerndtiteSnS2Trig. 3m (3 2/m) : P3m1
3.6.4StistaiteSnSbTrig. 3m (3 2/m) : R3m
3.6.5GalenaPbSIso. m3m (4/m 3 2/m) : Fm3m
3.6.6ClausthalitePbSeIso. m3m (4/m 3 2/m) : Fm3m
3.6.7AltaitePbTeIso. m3m (4/m 3 2/m) : Fm3m
3.6.9AschamalmitePb6Bi2S9Mon. 2/m
3.6.10Betekhtinite(Cu,Fe)21Pb2S15Orth. mmm (2/m 2/m 2/m) : Immm
3.6.11Shadlunite(Pb,Cd)(Fe,Cu)8S8

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 FurutobeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 67: 1075.

Internet Links for FurutobeiteHide

Localities for FurutobeiteHide

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.
Austria
 
  • Salzburg
    • Saalfelden
      • Leogang
        • Hütten
          • Schwarzleograben
            • Schwarzleo District
Paar, W. H. & Chen, T. T. (1985): Zur Mineralogie von Cu-Ni(Co)-Pb-Ag-Hg-Erzen im Revier Schwarzleo bei Leogang, Salzburg, Österreich. Mitt. österr. geol. Ges. 78, 125-148.; Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Czech Republic
 
  • Moravia-Silesia Region
    • Bruntál
FOJT B., ŠKODA R., DOLNÍČEK Z., Furutobeite and betekhtinite from the ore deposit Horní Benešov in the Nízký Jeseník Mts. - Czech republic Acta Musei Moraviae, Scientiae geologicae, Brno, Moravské zemské muzeum, 2010, 1211-8796.
Japan (TL)
 
  • Honshu Island
    • Tohoku Region
      • Akita Prefecture
        • Kosaka
[Bull.Min.(1981) 104, 737-741; Nickel & Nichols, 1991 - "Mineral Reference Manual", p72]
        • Odate
Am. Min. 71 (1986), 210-221
Namibia
 
  • Oshikoto Region (Otjikoto Region)
    • Tsumeb
Handbook of Mineralogy
USA
 
  • Montana
    • Silver Bow Co.
      • Butte District (Summit Valley District)
        • Butte
Gammons, C. H., Szarkowski, J., & Stevenson, R. (2016) New investigations of the mineralogy of silver in the world-class porphyry-lode deposits of Butte, MT. Mining engineering Magazine website
Mineral and/or Locality  
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