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Percylite

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About PercyliteHide

John Percy
Colour:
Sky-blue
Lustre:
Vitreous
Hardness:
Name:
After John Percy (23 March 1817, Nottingham, England – 19 June 1889), English metallurgist.
Discredited as a mixture of other Pb-Cu-chlorides (pseudoboleite, boleite, diaboleite, ...).

Winchell and Rouse (1974) studied type percylite and samples of it from three other localities, and found them to be mixtures of boleite, pseudoboleite, and chlorargyrite.

"Percylite" specimens from Lavrion analysed by Kolitsch et al. (2014) were found to be either boleite or diaboleite.


Classification of PercyliteHide

'Grandfathered' (first described prior to 1959), Questionable

Physical Properties of PercyliteHide

Vitreous
Transparency:
Transparent
Colour:
Sky-blue
Streak:
Sky-blue
Hardness:
2½ on Mohs scale

Other Language Names for PercyliteHide

German:Percylit
Spanish:Percylita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Gold4 photos of Percylite associated with Gold on mindat.org.
Schwartzembergite1 photo of Percylite associated with Schwartzembergite on mindat.org.

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 PercyliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brooke (1850) Philosophical Magazine and Journal of Science: 36: 131.
Palache, C., Berman, H., and Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 81-82.
Winchell, R.E. and Rouse, R.C. (1974) The mineralogy of the boleite group. The Mineralogical Record: 5: 280-287.
Mineralogical Record (1998) 29: 42.
Burke, E.A.J. (2006) A mass discreditation of GQN minerals. The Canadian Mineralogist: 44(6): 1557-1560.
Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).

Internet Links for PercyliteHide

Localities for PercyliteHide

ⓘ - 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
 
  • Antofagasta Region
    • Antofagasta Province
      • Cerro Palestina
        • Estación Cerro Negro
          • Magallanes district
Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.
R Munoz collection
      • Sierra Gorda District
        • Caracoles
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 82, 547.
Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.
        • Caracoles mining district
          • Quebrada Honda
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 317.
  • Tarapacá Region
    • El Tamarugal Province
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 60.
Germany
 
  • North Rhine-Westphalia
    • Ruhr Coal Mining area
      • Essen
Weiss: "Mineralfundstellen, Deutschland West", 1990
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium; Lavreotiki Municipality)
      • Lavrion District Mines
        • Sounion area
          • Sounion Mines
Lapis, 24, 7/8 (1999); Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).
Mexico
 
  • Baja California Sur (BC Sur)
    • Mun. de Mulegé
      • Santa Rosalía
        • Boleo District
          • Arroyo de la Soledad
Panczner(1987):92-350.
  • Sonora
    • Mun. de Arizpe
      • Arizpe
Panczner(1987):83-359.
USA
 
  • Massachusetts
    • Hampshire Co.
      • Easthampton
Gleba, 1978. Massachusetts Mineral & Fossil Localities
Mineral and/or Locality  
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