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Allanite-(La)

Big Photo

Nueva Vizcaya Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain
© Elmar Lackner

Show Allanite-(La) Photos (20)
Formula:
{CaLa}{Al
 
2
Fe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
System:MonoclinicColour:Black, with brownish ...
Hardness:6
Name:For its composition and for Thomas Allan (1777–1883), Scottish mineralogist


Epidote Group

Classification of Allanite-(La)

IMA status:Approved 2003
Strunz 8th edition ID:8/C.23-70
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
Dana 8th edition ID:58.2.1a.2

58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
2 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
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Type Occurrence of Allanite-(La)

Type Locality:Buca della Vena Mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
General Appearance of Type Material:prismatic crystals up to 2–3 mm in length
Geological Setting of type material:baryte veins cutting a dolomitic metamorphosed limestone

Physical Properties of Allanite-(La)

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:Black, with brownish reflections
Streak:Brown
Hardness (Mohs):6
Tenacity:Brittle
Cleavage:Imperfect/Fair
along {001}
Fracture:Conchoidal
Density (measured):3.93 g/cm3
Density (calculated):3.94 g/cm3

Crystallography of Allanite-(La)

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 = 8.914Å, b = 5.726Å, c = 10.132Å
β = 114.87°
Ratio:a:b:c = 1.557 : 1 : 1.769
Unit Cell Volume:V 469.1 ų
Z:2
Morphology:prismatic crystals, elongated along [010]
observed forms: {001}, {100}, {101}, {10_1}, {210} and {011}
X-Ray Powder Diffraction:
d-spacingIntensity
3.506 (20)
2.901 (100)
2.860 (40)
2.692 (60)
2.611 (50)
Comments:Format: d/Å (I/%) (hkl)

Optical Data of Allanite-(La)

Type:Biaxial (-)
RI values: nα = 1.755 nβ = 1.760 nγ = 1.765
2V:Calculated: 90°
Maximum Birefringence:δ = 0.010

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:very high
Pleochroism:Strong
Comments:greenish to greenish brown

Chemical Properties of Allanite-(La)

Formula:
{CaLa}{Al
 
2
Fe
2+
 
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
Essential elements:Al, H, La, O, Si
All elements listed in formula:Al, Ca, Fe, H, La, O, Si

Relationship of Allanite-(La) 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-(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.05Ferriallanite-(Ce)
    {CaCe}{Fe
    3+
     
    		AlFe
    2+
     
    		}[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 Allanite-(La)

    Synonyms:
    IMA2003-065
    German names:
    Allanit-(La)
    Russian names:
    Ортит-(La)

    Other Information

    Fluorescence in UV light:None
    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 Allanite-(La)

    Reference List:Marble, J.P. (1940): Allanite from Barringer Hill, Llano County, Texas. American Mineralogist, 25, 168-173.

    Hutton, C.O. (1951): Allanite from Yosemite National Park, Tuolumne Co., California. American Mineralogist, 36, 233-248.

    Hutton, C.O. (1951): Allanite from Wilmot Pass, Fiordland, New Zealand. American Journal of Science, 249, 208-214.

    Hasegawa, S. (1957): Chemical studies of allanites and their associated minerals from the pegmatites in the northern part of the Abukuma massif. Science Reports, Tohoku University, Serioes 3, Mineralogy, Petrology, and Economic Geology, 5, 345-371.

    Hasegawa, S. (1958): Chemical studies of allanites from the new localities in Fukushima and Kagawa prefectures. Science Reports, Tohoku University, Ser. 3, Mineralogy, Petrology, and Economic Geology, 6, 39-56.

    Hugo, P.J. (1961): The allanite deposits on Vreda Gordonia district, Cape Province. South Africa Geological Survey, "Geological Series" of the Department of Mines, 37, 1-65.

    Zhirov, K.K., Bandukin, G.A., Lavrentyev, Yu.G. (1961): Geochemistry of rare elements in pegmatites of North Karelia. Geokimiya, 11, 1107-1118.

    Levinson, A.A. (1966): A system of nomenclature of rare earth minerals. American Mineralogist, 51, 152-158.

    Pavelescu, L. & Pavelescu, M. (1972): Study of some allanites and monazites from the south Carpathians. Tschermaks Mineralogische und Petrographische Mitteilungen, 17, 208-214.

    Fleischer, M. (1985): A summary of the variations in relative abundance of the lanthomides and yttrium in allanites and epidotes. Bulletin of Geological Society of Finland, 57, 151-155.

    Pan Y. & Fleet, M.E. (1990): Halogen-bearing allanite from the White River gold occurrence, Hemlo Area, Ontario. Canadian Mineralogist, 28, 67-75.

    Pan, Y. & Fleet, M.E. (1991) Vanadian allanite-(Ce) and vanadian allanite-(La) from the Hemlo gold deposit, Ontario, Canada. Mineralogical Magazine, 55, 497-507.

    Ercit, T.S. (2002): The mess that is “allanite”. Canadian Mineralogist, 40, 1411-1419.

    Gonzáles del Tánago, J., Saínz de Baranda Graf, B. (2002): The Nueva Vizcaya mine, Burguillos del Cerro, Badajoz, Spain. Mineralogical Record, 33, 489-500.

    Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist 44(1): 63-68.

    Internet Links for Allanite-(La)

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Allanite-(La) in the Natural History Museum (London) online catalogue
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    Localities for Allanite-(La)

    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.
    Antarctica
     
    • Eastern Antarctica
      • Victoria Land
        • Lower Taylor Valley
    		Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist, 44, 63-68.
    Canada
     
    • Ontario
      • Thunder Bay District
        • Marathon
          • Hemlo gold deposit
    		Mineralogical Magazine 55:497-507
    Germany
     
    • Bavaria
      • Franconia
        • Spessart Mts
          • Aschaffenburg
            • Dörrmorsbach
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
    • Rhineland-Palatinate
      • Eifel Mts
        • Laach lake volcanic complex
          • Kruft
    		Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Eifel und dem Siegerland, Mineralien-Welt 10/3, 23, 1999
          • Mendig
            • Niedermendig
    		Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Eifel und dem Siegerland, Mineralien-Welt 10/3, 23, 1999
    Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Eifel und dem Siegerland, Mineralien-Welt 10/3, 23, 1999
              • Wingertsberg Mt.
    		Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Eifel und dem Siegerland, Mineralien-Welt 10/3, 23, 1999
    Italy
     
    • Tuscany
      • Lucca Province
        • Apuan Alps
          • Stazzema
    		Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist, 44: 63-68
    New Zealand
     
    • North Island
      • Waikato
        • Thames-Coromandel
          • Colville
    		P. Black, NZJGG, 13. 343-345
    • South Island
    		Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist, 44, 63-68.
    Russia
     
    • Northern Region
      • Karelia Republic
        • Northern Karelia
          • Chupa pegmatite field
            • Chupa Bay
    		Zhirov K.K. e.a. (1961) Geochemistry of REE in pegmatites of Northern Karelia, - Geochimiya, 11, p.995-1004 (in Rus.)
    • Urals Region
      • Chelyabinsk Oblast'
        • Kyshtym (Kychtym; Kishtim)
    		P.M. Kartashov data
    South Africa
     
    • Northern Cape Province
      • Namaqualand
        • Gordonia District
    		Minerals of South Africa
    • Northwest Province
      • Western Bushveld Complex
        • Rustenburg District
          • Pilansberg Complex
    		The Canadian Mineralogist, V 42, 2004, pp. 1169-1178.
    Spain
     
    • Extremadura
      • Badajoz
        • Burguillos del Cerro
    		JRG Lopez collection
    MinRec 33:498
    USA
     
    • Arkansas
      • Hot Spring Co.
        • Magnet Cove
    		Karl Estes (1998) Mineral News, 14, #5, 8-10.
    • California
      • Tuolumne Co.
        • Yosemite National Park
    		Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist, 44, 63-68.
    • Texas
      • Llano Co.
        • Bluffton
    		Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist, 44, 63-68.
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