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Kasai river alluvials, Kasaï (Kasaï-Occidental), Democratic Republic of Congo (Zaïre)

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The "Kasai river" diamond placers are mostly in the northward-flowing tributaries the Tshikapa, Longashimo (Longatchimo), and Tshipumbu rivers.




Group 1 - Elements
  		• Diamond1.CB.10a
    C
    Group 2 - Sulphides and Sulfosalts
  		• Pyrite2.EB.05a
    FeS
     
    2
    Group 4 - Oxides and Hydroxides
  		• Chromite4.BB.05
    FeCr
     
    2
    		O
     
    4
  		• Chrysoberyl4.BA.05
    BeAl
     
    2
    		O
     
    4
      var: Cymophane4.BA.05
    BeAl
     
    2
    		O
     
    4
  		• Corundum4.CB.05
    Al
     
    2
    		O
     
    3
      var: Sapphire4.CB.05
    Al
     
    2
    		O
     
    3
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
      var: Specularite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Opal4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
  		• Quartz4.DA.05
    SiO
     
    2
      var: Amethyst4.DA.05
    SiO
     
    2
  		• Rutile4.DB.05
    TiO
     
    2
    Group 9 - Silicates
  		• Andradite
    var: Melanite    		9.AD.25
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Epidote9.BG.05
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Kyanite9.AF.15
    Al
     
    2
    		[O|SiO
     
    4
    		]
  		• Orthoclase9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Pyrope9.AD.25
    Mg
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Staurolite9.AF.30
    (Fe
    2+
     
    		,Mg,Zn)
     
    1.5-2
    		Al
     
    9
    		[O
     
    6
    		|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    4
    		]
  		• Zircon9.AD.30
    Zr[SiO
     
    4
    		]
    Unclassified Minerals
  		• 'Albite-Anorthite Series'-
  		• 'Chalcedony'-
  		• Limonite-
    FeO(OH)·nH
     
    2
    		O
  		• 'Mica Group'-
  		• 'Tourmaline'-
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z


    28 entries listed. 23 valid minerals.

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