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UM1989-24-S:CuFeZn

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Formula:
(Zn,Fe,Cu)S
Colour:
black (Chinese material)
Lustre:
Metallic
Hardness:
3½ - 4
Said not to be identical with sphalerite.

Co-desribed with coexisting phase similar to 'Unnamed (Cu-Zn-In Sulphide)'; also associated are roquesite, sakuraiite, kesterite, and indian sphalerite.

Forms dendritic aggregates within chalcopyrite.

A similar mineral of Inner Mongolia occurs in skarn-embedded veins (2-3 cm wide), rarely, in form aggregated anhedral grains, localized in interstices between chalcopyrite and sphalerite. The Cu distribution is likely to be homogenous.

Note: it is not sure, if the Japan material is systematically identical to the Chinese one.


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Physical Properties of UM1989-24-S:CuFeZnHide

Metallic
Transparency:
Opaque
Comment:
Chinese material
Colour:
black (Chinese material)
Hardness:
3½ - 4 on Mohs scale
Comment:
Chinese material

Optical Data of UM1989-24-S:CuFeZnHide

Type:
Anisotropic
Anisotropism:
strong (Japan); weak, dark gray to gray with a weak bluish tint (to brown) (China)
Reflectivity:
405nmR=19.80%
436nmR=19.65%
480nmR=19.01%
526nmR=18.85%
546nmR=18.23%
589nmR=17.80%
644nmR=17.31%
656nmR=16.10%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 19.80%.
Colour in reflected light:
brownish gray with a violet tint (Japan); gray with a slight bluish tint (China)
Pleochroism:
Non-pleochroic
Comments:
reflectivity dana to Chinese material; slightly yellowish brown relative to sphalerite (China)

Chemical Properties of UM1989-24-S:CuFeZnHide

Formula:
(Zn,Fe,Cu)S

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.1080Å(100)
1.9060Å(50)
1.628Å(30)
1.240Å(20)
1.103Å(20)
1.040Å(20)

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 UM1989-24-S:CuFeZnHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ohta, E. (1989): Occurrence and chemistry of indium-containing minerals from the Toyoha mine, Hokkaido, Japan. Mining Geol.: 39(6): 355-372; in: Jambor, J.L., Puziewicz, J., Roberts, A.C. (1995): New mineral Names. American Mineralogist: 80: 406
Lei, Y., Lin, Y., Zhang, D., Yu, J. (1991): An unnamed sulfide mineral-(Zn,Cu,Fe)S. Acta Mineralogica Sinica: 11(1): 78-82 (in Chinese, with English abstract); in: Jambor, J.L., Puziewicz, J., (1993): New mineral Names. American Mineralogist: 78: 453
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)

Internet Links for UM1989-24-S:CuFeZnHide

Localities for UM1989-24-S:CuFeZnHide

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.
China
 
  • Inner Mongolia
    • Ulanhad League (Chifeng Prefecture)
      • Hexigten Banner (Keshiketeng Co.)
        • Huanggang Fe-Sn deposit (Huanggangliang Mine; Huanggang Mine)
Lei, Y., Lin, Y., Zhang, D., Yu, J. (1991): An unnamed sulfide mineral-(Zn,Cu,Fe)S. Acta Mineralogica Sinica: 11(1): 78-82 (in Chinese, with English abstract); in: Jambor, J.L., Puziewicz, J., (1993): New mineral Names. American Mineralogist: 78: 453
Japan
 
  • Hokkaidō
    • Sapporo
      • Minami-ku
Ohta, E. (1989): Occurrence and chemistry of indium-containing minerals from the Toyoha mine, Hokkaido, Japan. Mining Geol.: 39(6): 355-372; in: Jambor, J.L., Puziewicz, J., Roberts, A.C. (1995): New mineral Names. American Mineralogist: 80: 406
 
Mineral and/or Locality  
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