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Erazoite

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About ErazoiteHide

Known synthetic analogue. Structurally related to covellite.

NOTE on the type locality: in the IMA proposal and Min. Mag. list of approved minerals (Schlüter et al., 2015), the type locality was incorrectly given as Soledad mine. The correct type locality is the Chilena mine.


Classification of ErazoiteHide

Approved
Approval Year:
2014
First Published:
2016

Physical Properties of ErazoiteHide

Colour:
Black

Chemical Properties of ErazoiteHide

Formula:
Cu4SnS6

Crystallography of ErazoiteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 3.756(8) Å, c = 32.91(4) Å
Ratio:
a:c = 1 : 8.762
Unit Cell V:
402.1 ų
Z:
2
Morphology:
Tiny roundish crystal aggregates.
Comment:

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.664(8)
3.265(8)
3.022(100)
2.313(7)
1.999(10)
1.877(47)
1.667(13)
1.592(12)

Type Occurrence of ErazoiteHide

General Appearance of Type Material:
As tiny black roundish crystal aggregates enclosed in baryte crystals.
Place of Conservation of Type Material:
In the collections of the Mineralogical Museum of the University of Hamburg, Grindelallee 48, D-20146 Hamburg, Germany, specimen number MD 717
Associated Minerals at Type Locality:

Synonyms of ErazoiteHide

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 ErazoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
X.-A. Chen, H. Wada, A. Sato (1999): Preparation, crystal structure and electrical properties of Cu4SnS6. Materials Research Bulletin 34, 239-247.
Schlüter, J., Malcherek, T., Stanley, C., Dini, M. and Molina Donoso, A.A. (2015): Erazoite, IMA 2014-061. CNMNC Newsletter No. 23, February 2015, page 52; Mineralogical Magazine, 79, 51-58. [Type locality incorrectly given as Soledad mine]
Schlüter J., Malcherek, T., Stanley, C. J., Dini, M. & Molina Donoso, A. A. (2016) Erazoite, a new copper tin sulfide from the El Guanaco gold deposit, Antofagasta Province, Chile. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geochemistry. 194/1 : 91-96.

Internet Links for ErazoiteHide

Localities for ErazoiteHide

ⓘ - 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.
Chile (TL)
 
  • Antofagasta Region
    • Antofagasta Province
      • Santa Catalina
        • Guanaco (Huanaco)
Schlüter J., Malcherek, T., Stanley, C. J., Dini, M. & Molina Donoso, A. A. (2016) Erazoite, a new copper tin sulfide from the El Guanaco gold deposit, Antofagasta Province, Chile. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geochemistry. 194/1 : 91-96.
          • El Guanaco Mine
Schlüter, J., Malcherek, T., Stanley, C., Dini, M. and Molina Donoso, A.A. (2015): Erazoite, IMA 2014-061. CNMNC Newsletter No. 23, February 2015, page 52; Mineralogical Magazine, 79, 51-58 [Type locality incorrectly given as Soledad mine]
Mineral and/or Locality  
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