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Pian di Celle Volcano, San Venanzo, Marsciano, Terni Province, Umbria, Italy

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(Vulcano Pian di Celle, San Venanzo, Marsciano, Terni, Umbria, Italy)

Melilitolite dykelet swarm in NE flow-front of a melilite lava at the Pian di Celle maar volcano.



References:
- Stoppa, F., Sharygin, V.V., and Cundari, A. (1997): New mineral data from the kamafugite-carbonatite association: the melilitolite from Pian di Celle, Italy. Mineralogy and Petrology 61, 27-45.




Group 2 - Sulphides and Sulfosalts
  		• Bartonite ?2.FC.10
    K
     
    3
    		Fe
     
    10
    		S
     
    14
  		• Galena2.CD.10
    PbS
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Westerveldite ?2.CC.15
    (Fe,Ni,Co)As
    Group 4 - Oxides and Hydroxides
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite
    var: Titaniferous Magnetite    		4.BB.05
    Fe
    2+
     
    		(Fe
    3+
     
    		,Ti)
     
    2
    		O
     
    4
  		• Perovskite4.CC.30
    CaTiO
     
    3
  		• Spinel
    var: Chromspinel    		4.BB.05
    Mg(Al,Cr
    3+
     
    		)
     
    2
    		O
     
    4
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Apatite-(CaF)8.BN.05
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Group 9 - Silicates
  		• Cuspidine9.BE.17
    Ca
     
    4
    		[(F,OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
  		• Delhayelite9.EB.10
    (Na,K)
     
    10
    		Ca
     
    5
    		Al
     
    6
    		Si
     
    32
    		O
     
    80
    		(Cl
     
    2
    		,F
     
    2
    		,SO
     
    4
    		)
     
    3
    		·18H
     
    2
    		O
  		• Götzenite9.BE.22
    Na
     
    2
    		Ca
     
    5
    		Ti[F
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    2
    		]
  		• 'Hiortdahlite'9.BE.17
    (Ca,Na)
     
    3
    		(Zr,Ti)Si
     
    2
    		O
     
    7
    		(O,OH,F)
     
    2
  		• Kalsilite9.FA.05
    K[AlSiO
     
    4
    		]
  		• Khibinskite9.BC.10
    K
     
    2
    		ZrSi
     
    2
    		O
     
    7
  		• Leucite9.GB.05
    KAlSi
     
    2
    		O
     
    6
  		• Macdonaldite ?9.EB.05
    BaCa
     
    4
    		Si
     
    16
    		O
     
    36
    		(OH)
     
    2
    		·10H
     
    2
    		O
  		• Monticellite9.AC.10
    CaMg[SiO
     
    4
    		]
  		• Nepheline9.FA.05
    (Na,K)[AlSiO
     
    4
    		]
  		• Phlogopite
    var: Fluorian Phlogopite    		9.EC.20
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Rhodesite9.EB.05
    KHCa
     
    2
    		Si
     
    8
    		O
     
    19
    		·5H
     
    2
    		O
  		• Willhendersonite9.GD.10
    KCa[Al
     
    3
    		Si
     
    3
    		O
     
    12
    		] · 5H
     
    2
    		O
    Unclassified Minerals
  		• 'Chabazite'-
  		• 'Clinopyroxene Subgroup'-
  		• 'Glass'-
  		• Melilite-
    (Ca,Na)
     
    2
    		(Al,Mg,Fe
    2+
     
    		)[(Al,Si)SiO
     
    7
    		]
  		• 'Olivine'-
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
  		• 'Phillipsite'-


    29 entries listed. 22 valid minerals.

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