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Higashi-Akaishi dunite, Ehime prefecture, Shikoku Island, Japan

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5km long dunite body, mainly massive dunite, serpentinized along the margins, and including some thin pyroxenite layers, eclogite lenses, and chromite veins. (See also under "Akaishi mine".)




Group 4 - Oxides and Hydroxides
  		• Chromite4.BB.05
    FeCr
     
    2
    		O
     
    4
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
    Group 9 - Silicates
  		• Diopside
    var: Chromian Diopside    		9.DA.15
    (Ca,Cr)MgSi
     
    2
    		O
     
    6
  		• Forsterite9.AC.05
    Mg
     
    2
    		[SiO
     
    4
    		]
    Unclassified Minerals
  		• 'Garnet Group'-
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
  		• 'Pyroxene Group'-
  		• 'Serpentine Group'-
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O


    7 entries listed. 4 valid minerals.

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