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Belmont mine, Itabira, Iron Quadrangle, Minas Gerais, Southeast Region, Brazil

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Emerald mine in mica-rich rocks.



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.
- Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Emerald deposits and occurrences: A review. Ore Geology Reviews 34, 87-112.

- http://www.professionaljeweler.com/archives/articles/2003/nov03/1103gn.html





 Map Reference: 19°40'27"S , 43°7'32"W

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Mineral List:
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  'Albite-Anorthite Series'
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  'Apatite'
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  Beryl
    var: Aquamarine
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: []
  		•  Beryl
    var: Emerald
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  'Chlorite Group'
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  Chromite
    FeCr
     
    2
    		O
     
    4
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  Chrysoberyl
    BeAl
     
    2
    		O
     
    4
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  'K Feldspar'
    Reference: [Morteani, G., Preinfalk, C., and Horn, A.H. (2000): Mineralium Deposita 35, 638-655.]
  		•  Molybdenite
    MoS
     
    2
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Morteani, G., Preinfalk, C., and Horn, A.H. (2000): Mineralium Deposita 35, 638-655.]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  Pyrite
    FeS
     
    2
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]
  		•  Quartz
    SiO
     
    2
    Reference: [Emeralds of the World English extraLapis Vol. 2 2002 pp24-35 ]


    14 entries listed. 8 valid minerals.

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