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San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico

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This must be the San Juan de Rayas Mine
Ref.: Rocks & Min.: 14:309. A silver-gold mine on the Veta Madre.





Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [MinRec 25:58, 7:187, 7:188, 18:433, 18:366-367, 14:386, 17:341]
    Site Photo
    San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
    © Rob Lavinsky
  		•  Ankerite
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
    Reference: [Panczner (1987): 94.]
  		•  Argyrodite
    Ag
     
    8
    		GeS
     
    6
    Habit: Mat of microscopic xls
    Colour: grey
    Fluorescence: none
    Description: A few specimens with Stephanites were recovered from level 470
    Reference: [No reference listed]
    Site Photo
    San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
     
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [Panczner (1987): 105.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Panczner (1987): 131.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Habit: Twinned and modified pseudo tetrahedrons to 5mm
    Colour: yellow
    Fluorescence: none
    Description: associated with excellent polybasites
    Reference: [Panczner (1987): 152.]
  		•  Dolomite
    CaMg(CO
     
    3
    		)
     
    2
    Reference: [Panczner (1987): 182-282.]
  		•  Gold
    Au
    Reference: [Panczner (1987): 182-282.]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [Panczner (1987): 105.]
  		•  Naumannite
    Ag
     
    2
    		Se
    Reference: [Panczner (1987): 182-282.]
  		•  Pearceite
    [(Ag,Cu)
     
    6
    		(As,Sb)
     
    2
    		S
     
    7
    		][Ag
     
    9
    		CuS
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
    © David Nash
  		•  Polybasite
    [(Ag,Cu)
     
    6
    		(Sb,As)
     
    2
    		S
     
    7
    		][Ag
     
    9
    		CuS
     
    4
    		]
    Habit: Pseudo hexagonal plates to 6 cm
    Colour: black
    Fluorescence: none
    Description: Fine large crystals with chalcopyrite.
    Reference: [No reference listed]
    Site Photo
    San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
    © Rob Lavinsky
  		•  Pyrargyrite
    Ag
     
    3
    		SbS
     
    3
    Reference: [Panczner (1987): 306.]
    Site Photo
    San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
    © Rob ++++++++
  		•  Quartz
    SiO
     
    2
    Reference: [Panczner (1987): 182-282.]
  		•  Stephanite
    Ag
     
    5
    		SbS
     
    4
    Habit: wedge shaped xls to .5 cm
    Colour: lustrous black
    Fluorescence: none
    Description: Occurred with Argyrodite on 470 level
    Reference: [Panczner (1987): 358.]
    Site Photo
    San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
    © Martins da Pedra
  		•  'Stilbite'
    Reference: [Panczner (1987): 364.]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Panczner (1987): 373.]


    17 entries listed. 16 valid minerals.

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