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Ferriallanite-(Ce)

Big Photo

Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia
© P.M. Kartashov

Show Ferriallanite-(Ce) Photos (12)
Formula:
{CaCe}{Fe
3+
 
AlFe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
System:MonoclinicColour:black
Hardness:6
Name:named for the relation to allanite-(Ce)


Epidote Group

Classification of Ferriallanite-(Ce)

IMA status:Approved 2000
Strunz 8th edition ID:8/C.23-82
Nickel-Strunz 10th (pending) edition ID:9.BG.05

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
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Type Occurrence of Ferriallanite-(Ce)

Type Locality:Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia
General Appearance of Type Material:aggregates of subhedral grains up to 2 mm in size
Geological Setting of type material:in an alkaline granitic pegmatite

Physical Properties of Ferriallanite-(Ce)

Lustre:Resinous
Diaphaneity (Transparency):Translucent, Opaque
Colour:black
Streak:brown
Hardness (Mohs):6
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven, Conchoidal
Density (measured):4.22 g/cm3
Density (calculated):4.16 g/cm3

Crystallography of Ferriallanite-(Ce)

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/m (P1 1 21/m) [P21/m] {P1 21/m 1}
Cell Parameters:a = 8.962Å, b = 5.836Å, c = 10.182Å
β = 115.02°
Ratio:a:b:c = 1.536 : 1 : 1.745
Unit Cell Volume:V 482.6 ų
Z:2

Optical Data of Ferriallanite-(Ce)

Type:Biaxial (-)
RI values: nα = 1.825 nβ = 1.855 nγ = 1.880
2V:Calculated: 83°
Maximum Birefringence:δ = 0.055

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Ferriallanite-(Ce)

Formula:
{CaCe}{Fe
3+
 
AlFe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
Essential elements:
All elements listed in formula:Al, Ca, Ce, Fe, H, O, Si
Common Impurities:Al

Relationship of Ferriallanite-(Ce) to other Species

Related to:
  • Epidote Group
    • Related Minerals - Nickel-Strunz Grouping):
    9.BG.05Allanite-(Ce)
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Allanite-(La)
    {CaLa}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Allanite-(Y)
    {CaY}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Clinozoisite
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Dissakisite-(Ce)
    {CaCe}{Al
     
    2
    		Mg}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Dollaseite-(Ce)
    {CaCe}{MgAlMg}[F|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Epidote-(Pb)
    {CaPb}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Khristovite-(Ce)
    {CaCe}{MgAlMn
    2+
     
    		}[F|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Mukhinite
    {Ca
     
    2
    		}{Al
     
    2
    		V
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Piemontite
    {Ca
     
    2
    		}{Al
     
    2
    		Mn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Piemontite-(Sr)
    {CaSr}{Al
     
    2
    		Mn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Manganiandrosite-(La)
    {LaMn
    2+
     
    		}{Mn
    3+
     
    		AlMn
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Tawmawite
    Ca
     
    2
    		(Al,Fe
    3+
     
    		,Cr)
     
    3
    		[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Manganipiemontite-(Sr)
    {CaSr}{Mn
    3+
     
    		AlMn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Clinozoisite-(Sr)
    CaSrAl
     
    3
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)O(OH)
    9.BG.05Ferriepidote
    9.BG.05Manganiandrosite-(Ce)
    (Mn
    2+
     
    		,Ca)(Ce,REE)AlMn
    3+
     
    		Mn
    2+
     
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)O(OH)
    9.BG.05Dissakisite-(La)
    {CaLa}{Al
     
    2
    		Mg}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Vanadoandrosite-(Ce)
    {Mn
    2+
     
    		Ce}{V
    3+
     
    		AlMn
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05Androsite-(La)
    9.BG.05Uedaite-(Ce)
    {Mn
    2+
     
    		Ce}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.05IMA2006-055
    CaSrAl
     
    2
    		Fe
    3+
     
    		(Si
     
    2
    		O
     
    7
    		)(SiO
     
    4
    		)O(OH)
    9.BG.10Zoisite
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.15Macfallite
    Ca
     
    2
    		(Mn
    3+
     
    		,Al)
     
    3
    		[(OH)
     
    3
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.15Sursassite
    Mn
     
    2
    		Al
     
    3
    		[(OH)
     
    3
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.20Julgoldite-(Fe2+)
    Ca
     
    2
    		(Fe
    2+
     
    		,Mg)(Fe
    3+
     
    		,Al)
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Okhotskite
    Ca
     
    8
    		(Mn,Mg)
     
    4
    		(Mn,Al,Fe)
     
    8
    		Si
     
    12
    		O
     
    56-n
    		(OH)
     
    n
    9.BG.20Pumpellyite-(Fe2+)
    Ca
     
    2
    		Fe
    2+
     
    		Al
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Fe3+)
    Ca
     
    2
    		(Fe
    3+
     
    		,Mg,Fe
    2+
     
    		)(Al,Fe
    3+
     
    		)
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Mg)
    Ca
     
    2
    		MgAl
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Mn2+)
    Ca
     
    2
    		(Mn
    2+
     
    		,Mg)(Al,Mn
    3+
     
    		,Fe
    3+
     
    		)
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Shuiskite
    Ca
     
    2
    		(Mg,Al)(Cr,Al)
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · 2H
     
    2
    		O
    9.BG.20Julgoldite-(Fe3+)
    Ca
     
    2
    		(Fe
    3+
     
    		,Mg)(Fe
    3+
     
    		,Al)
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Pumpellyite-(Al)
    Ca
     
    2
    		(Al,Fe
    2+
     
    		,Mg)Al
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Poppiite
    Ca
     
    2
    		(V
    3+
     
    		,Fe
    3+
     
    		,Mg)(V
    3+
     
    		,Al)
     
    2
    		[(OH,O)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.20Julgoldite-(Mg)
    Ca
     
    2
    		(Mg,Fe
    2+
     
    		)(Fe
    3+
     
    		,Al)
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    9.BG.25Ganomalite
    Pb
     
    9
    		Ca
     
    5
    		Mn[O|SiO
     
    4
    		|(Si
     
    2
    		O
     
    7
    		)
     
    4
    		]
    9.BG.30Rustumite
    Ca
     
    10
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		(SiO
     
    4
    		)Cl
     
    2
    		(OH)
     
    2
    9.BG.35Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    9.BG.35Wiluite
    Ca
     
    19
    		(Al,Mg,Fe,Ti)
     
    13
    		(B,Al,[ ])
     
    5
    		Si
     
    18
    		O
     
    68
    		(O,OH)
     
    10
    9.BG.35Manganvesuvianite
    Ca
     
    19
    		Mn(Al,Mn,Fe)
     
    19
    		(Mg,Mn)
     
    2
    		Si
     
    18
    		O
     
    69
    		(OH)
     
    9
    9.BG.35Fluorvesuvianite
    Ca
     
    19
    		(Al,Mg,Fe
    2+
     
    		)
     
    13
    		[(F,OH,O)
     
    10
    		|(SiO
     
    4
    		)
     
    10
    		|(Si
     
    2
    		O
     
    7
    		)
     
    4
    		]
    9.BG.40Vyuntspakhkite-(Y)
    Y
     
    4
    		Al
     
    3
    		Si
     
    5
    		O
     
    18
    		(OH)
     
    5
    9.BG.45Dellaite
    Ca
     
    6
    		Si
     
    3
    		O
     
    11
    		(OH)
     
    2
    9.BG.50Gatelite-(Ce)
    CaCe
     
    3
    		Al
     
    2
    		(Al,Mg)(Mg,Fe
    2+
     
    		,Al)[(O,F)|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		|Si
     
    2
    		O
     
    7
    		]
    9.BG.55Västmanlandite-(Ce)
    Ca(Ce,La)
     
    3
    		Al
     
    2
    		Mg
     
    2
    		 [F|(OH)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		|Si
     
    2
    		O
     
    7
    		]

    Other Names for Ferriallanite-(Ce)

    Synonyms:
    IMA2000-041
    Russian names:
    Ферриалланит-(Ce)

    Other Information

    Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

    References for Ferriallanite-(Ce)

    Reference List:Kartashov, P., G. Ferraris, G. Ivaldi, E. Sokolova & C.A. McCammon (2002): Ferriallanite-(Ce), CaCeFe3+AlFe2+(SiO4 )(Si2O7)O(OH), a new member of the epidote group: description, X-ray and Mössbauer study.- Canadian Mineralogist: 40, 1641-1648.

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    Localities for Ferriallanite-(Ce)

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Mongolia
     
    • Hovd Aimag (Khovd Aimag)
      • Altai Mts
        • Khaldzan Buragtag Massif
          • Mount Ulyn Khuren
    		P. Kartashov et al. (2002) Can. Mineral. 40, 1641-1648
    P.M. Kartashov data
    Pavel M. Kartashov data
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Buriatia (Buryatia) Republic
          • Vitim Plateau
            • Biraya and Bya Rivers confluence area (Chara Basin)
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
    • Far-Eastern Region
      • Khabarovskiy Kray
        • Verkhnebureinsky District
          • Verkhnii Mel'gin River
            • Turana Range
              • Chekunda Town
    		I.I. Kupriyanova data revised by P.M. Kartashov
    • Urals Region
      • Chelyabinsk Oblast'
        • Kyshtym (Kychtym; Kishtim)
    		P.M. Kartashov data
    South Korea
     
    • Chungcheongbukdo (Chungchong-pukto)
      • Chungju (Chung Won Kum; Chung-ju)
        • Joongwon-gun
          • Mt. Eorae
    		Pavel Kartashov analyses
    Sweden
     
    • Västmanland
      • Nora
    		Kjell Gatedal
      • Skinnskatteberg
        • Riddarhyttan
    		D. Holtstam et al. (2003) Can. Mineral. 41, 1233-1240
    UK
     
    • Scotland
      • North West Highlands (Inverness-shire)
    		Jour. Conf. Abstracts 5: 939 (2000)
    Mineral and/or Locality
    Google
     
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