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Udachnaya-Vostochnaya pipe, Daldyn, Daldyn-Alakit kimberlite field, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia

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Two intersecting kimberlite pipes, intruded into Lower Ordovician limestone. The pipes contain diamond eclogite, dunite and peridotite xenoliths.

Eclogites are rich in intergranular sulfides (pyrrhotite, pyrite, pentlandite, chalcopyrite, cubanite, djerfisherite) associated with magnetite.



References:
- Boyd, F.R., Pokhilenko, N.P., Pearson, D.G., Mertzman, S.A., Sobolev, N.V., and Finger, L.W. (1997): Composition of the Siberian cratonic mantle: evidence from Udachnaya peridotite xenoliths. Contributions to Mineralogy and Petrology 128, 228-246.





 Map Reference: 66°26'N , 112°19'E

This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Group 1 - Elements
  		• Chromium1.AE.05
    Cr
  		• Copper1.AA.05
    Cu
  		• Diamond1.CB.10a
    C
  		• Graphite1.CB.05a
    C
  		• Iron1.AE.05
    Fe
    Group 2 - Sulphides and Sulfosalts
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Cubanite2.CB.55a
    CuFe
     
    2
    		S
     
    3
  		• Djerfisherite2.FC.05
    K
     
    6
    		(Cu,Fe,Ni)
     
    25
    		S
     
    26
    		Cl
  		• Pentlandite2.BB.15
    (Fe,Ni)
     
    9
    		S
     
    8
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
      var: Nickeloan Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Tochilinite2.FD.35
    Fe
    2+
    5-6
    		(Mg,Fe
    2+
     
    		)
     
    5
    		[(OH)
     
    10
    		|S
     
    6
    		]
  		• Troilite2.CC.10
    FeS
    Group 3 - Halides
  		• Halite3.AA.20
    NaCl
  		• Sylvite3.AA.20
    KCl
  		• UM1998-03-Cl:Tl3.AA.25
    TlCl
    Group 4 - Oxides and Hydroxides
  		• Amakinite (TL)4.FE.05
    (Fe
    2+
     
    		,Mg)(OH)
     
    2
  		• Chromite4.BB.05
    FeCr
     
    2
    		O
     
    4
  		• Corundum4.CB.05
    Al
     
    2
    		O
     
    3
  		• Hercynite
    var: Picotite    		4.BB.05
    (Fe,Mg)(Al,Cr)
     
    2
    		O
     
    4
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Periclase4.AB.25
    MgO
  		• Perovskite4.CC.30
    CaTiO
     
    3
  		• Rutile4.DB.05
    TiO
     
    2
  		• Spinel4.BB.05
    MgAl
     
    2
    		O
     
    4
      var: Chromspinel4.BB.05
    Mg(Al,Cr
    3+
     
    		)
     
    2
    		O
     
    4
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Shortite5.AC.25
    Na
     
    2
    		Ca
     
    2
    		(CO
     
    3
    		)
     
    3
  		• Zemkorite (TL)5.AC.10
    Na
     
    2
    		Ca(CO
     
    3
    		)
     
    2
    Group 9 - Silicates
  		• Aegirine-augite9.DA.20
    (Na,Ca)(Fe
    3+
     
    		,Fe
    2+
     
    		,Mg,Al)Si
     
    2
    		O
     
    6
  		• 'Aluminobarroisite'9.DE.20
    ☐[CaNa][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
  		• Barroisite9.DE.20
    ☐[CaNa][Mg
     
    3
    		AlFe
    3+
     
    		][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
  		• Diopside9.DA.15
    CaMg[Si
     
    2
    		O
     
    6
    		]
      var: Chromian Diopside9.DA.15
    (Ca,Cr)MgSi
     
    2
    		O
     
    6
  		• Enstatite9.DA.05
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
  		• Forsterite9.AC.05
    Mg
     
    2
    		[SiO
     
    4
    		]
  		• Grossular9.AD.25
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Kyanite9.AF.15
    Al
     
    2
    		[O|SiO
     
    4
    		]
  		• Monticellite9.AC.10
    CaMg[SiO
     
    4
    		]
  		• Omphacite9.DA.20
    (Ca,Na)(Mg,Al)[Si
     
    2
    		O
     
    6
    		]
  		• Phlogopite9.EC.20
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Pyrope9.AD.25
    Mg
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Unclassified Minerals
  		• 'Apatite'-
  		• 'Chlorite Group'-
  		• 'Glass'-
  		• 'Serpentine Group'-
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
  		• Tantalum-
    Ta


    49 entries listed. 43 valid minerals.

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