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Maxixe Pegmatite (José de Linto claim), Piauí Valley, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil

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Li-Cs pegmatite, famous for a find of deep blue maxixe/maxaxite aquamarine in 1917. Unfortunately the color quickly faded to a whitish yellow after exposure to light. The color is probably caused by the replacement of a missing atom by a vibrating electron in the structure creating a color center, caused by natural radiation.



References:
- Morteani, G., Preinfalk, C., and Horn, A.H. (2000): Classification and mineralization potential of the pegmatites of the Eastern Brazilian Pegmatite Province. Mineralium Deposita 35, 638-655.

- http://sbg.igc.usp.br/rgb/vol29_down/2901/2901027.pdf





 Map Reference: 16°48'13"S , 41°53'24"W

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Mineral List:
  		•  Amblygonite ?
    LiAl[(F,OH)|PO
     
    4
    		]
    Reference: [This locality may or may not have amblygonite. True amblygonite is rare and almost all pocket specimens are nearly pure montebrasite.]
  		•  'Apatite'
    Reference: []
  		•  Beryl
    var: Maxixe-Aquamarine
    Reference: []
  		•  Beryl
    var: Morganite
    Reference: []
  		•  Cassiterite
    SnO
     
    2
    Reference: []
  		•  'Columbite-Tantalite'
    Reference: []
  		•  Lepidolite
    Reference: []
  		•  Petalite
    LiAlSi
     
    4
    		O
     
    10
    Reference: []
  		•  Spodumene
    LiAl[Si
     
    2
    		O
     
    6
    		]
    Reference: []
  		•  'Tourmaline
    var: Rubellite'
    Reference: []
  		•  Zinnwaldite
    KLiFe
    2+
     
    		Al[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: []


    11 entries listed. 4 valid minerals.

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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