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Cyrilovite

Big Photo

Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany
© Christian Rewitzer

Show Cyrilovite Photos (52)
Formula:
NaFe
3+
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
System:TetragonalColour:Bright yellow, ...
Hardness:4
Name:For the type location
This page provides mineralogical data about Cyrilovite.

Classification of Cyrilovite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/D.51-20
Nickel-Strunz 10th (pending) edition ID:8.DL.10

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
Dana 8th edition ID:42.7.8.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
Hey's CIM Ref.:19.14.1

19 : Phosphates
14 : Phosphates of Fe and other metals
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Type Occurrence of Cyrilovite

Type Locality:Cyrilov Pegmatite (Cyrillhof), Velké Meziříčí, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic
Year of Discovery:1953

Occurrences of Cyrilovite

Geological Setting:Accessory mineral in granitic pegmatites

Physical Properties of Cyrilovite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:Bright yellow, honey-yellow, orange to brownish yellow, brown
Streak:Yellow
Hardness (Mohs):4
Fracture:Conchoidal
Density (measured):3.081 - 3.096 g/cm3
Density (calculated):3.114 g/cm3

Crystallography of Cyrilovite

Crystal System:Tetragonal
Class (H-M):4 2 2 - Trapezohedral
Cell Parameters:a = 7.313(2) Å, c = 19.315(3) Å
Ratio:a:c = 1 : 2.641
Unit Cell Volume:V 1,032.97 ų (Calculated from Unit Cell)
Z:4
Morphology:Thick tabular crystals, radiating botyroidal aggregates and crusts.

Optical Data of Cyrilovite

Type:Uniaxial (-)
RI values: nω = 1.802 - 1.805 nε = 1.769 - 1.775
Maximum Birefringence:δ = 0.033

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Pleochroism:Weak
Comments:O= deep yellow to yellow
E= colorless to yellow

Chemical Properties of Cyrilovite

Formula:
NaFe
3+
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
Essential elements:Fe, H, Na, O, P
All elements listed in formula:Fe, H, Na, O, P

Relationship of Cyrilovite to other Species

Related Minerals - Nickel-Strunz Grouping):
8.DL.05Foggite
CaAl[(OH)
 
2
|PO
 
4
] · H
 
2
O
8.DL.10Millisite
(Na,K)CaAl
 
6
[(OH)
 
9
|(PO
 
4
)
 
4
] · 3H
 
2
O
8.DL.10Wardite
NaAl
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
8.DL.15Agardite-(Nd)
(Nd,La,Ce)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Agardite-(Y)
(Y,Ca)Cu
 
6
[(OH)
 
6
|(AsO
 
4
,HAsO
 
4
)|(AsO
 
4
)
 
2
] · 3H
 
2
O
8.DL.15Agardite-(Ce)
CeCu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Agardite-(La)
(La,Ce)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Goudeyite
(Al,Y)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Mixite
BiCu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Petersite-(Y)
(Y,Ce,Nd)Cu
 
6
[(OH)
 
6
|(PO
 
4
)
 
3
] · 3H
 
2
O
8.DL.15Zálesíite
(Ca,Y)Cu
 
6
[(OH)
 
6
|(HAsO
 
4
,AsO
 
4
)|(AsO
 
4
)
 
2
] · 3H
 
2
O
8.DL.15Plumboagardite
(Pb,REE,Ca)Cu
 
6
[(OH)
 
6
|(HAsO
 
4
,AsO
 
4
)|(AsO
 
4
)
 
2
] · 3H
 
2
O
8.DL.15Calciopetersite
CaCu
 
6
[(OH)
 
6
|HPO
 
4
|(PO
 
4
)
 
2
] · 3H
 
2
O
8.DL.20Cheremnykhite
Pb
 
3
Zn
 
3
TeO
 
6
(VO
 
4
)
 
2
8.DL.20Dugganite
Pb
 
3
Zn
 
3
(Te
6+
 
O
 
6
)(AsO
 
4
)
 
2
8.DL.20Kuksite
Pb
 
3
Zn
 
3
TeO
 
6
(PO
 
4
)
 
2
8.DL.20Wallkilldellite-Mn
Ca
 
2
Mn
2+
3
[(OH)
 
2
|AsO
 
4
]
 
2
 · 9H
 
2
O
8.DL.20Wallkilldellite-(Fe)
(Ca,Cu)
 
4
Fe
2+
6
[(OH,O)
 
2
|(AsO
 
4
,SiO
 
4
)]
 
4
 · 18H
 
2
O
8.DL.20Wallkilldellite
Related Minerals - Hey's Index Grouping:
19.14.2Kidwellite
NaFe
3+
9
[(OH)
 
5
|(PO
 
4
)
 
3
]
 
2
 · 5H
 
2
O
19.14.3Rosemaryite
(Na,Ca,Mn)(Mn,Fe
2+
 
)(Fe
3+
 
,Mg)Al(PO
 
4
)
 
3
19.14.4Wyllieite
(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO
 
4
)
 
3
19.14.5Ferrowyllieite
(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
 
4
)
 
3
19.14.6Natrodufrénite
NaFe
2+
 
(Fe
3+
 
,Al)
 
5
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.7Leucophosphite
KFe
3+
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
19.14.8Spheniscidite
(NH
 
4
,K)(Fe
3+
 
,Al)
 
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
19.14.9Burangaite
(Na,Ca
 
0.5
)(Fe
2+
 
,Mg)Al
 
5
[(OH,O)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.10Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
[(OH,O)|PO
 
4
]
19.14.11Ushkovite
MgFe
3+
2
[PO
 
4
]
 
2
(OH)
 
2
 · 8H
 
2
O
19.14.12Garyansellite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
(OH,O)·1.5H
 
2
O
19.14.13Thadeuite
Ca(Mg,Fe
2+
 
)
 
3
[(OH,F)|PO
 
4
]
 
2
19.14.14Anapaite
Ca
 
2
Fe
2+
 
[PO
 
4
]
 
2
 · 4H
 
2
O
19.14.15Xanthoxenite
Ca
 
4
Fe
3+
2
[OH|(PO
 
4
)
 
2
]
 
2
 · 3H
 
2
O
19.14.16Calcioferrite
Ca
 
2
Fe
3+
2
[OH|(PO
 
4
)
 
3
] · 7H
 
2
O
19.14.17Mitridatite
Ca
 
2
Fe
3+
3
[O
 
2
|(PO
 
4
)
 
3
] · 3H
 
2
O
19.14.18Mélonjosephite
CaFe
2+
 
Fe
3+
 
[OH|(PO
 
4
)
 
2
]
19.14.19Delvauxite
CaFe
 
4
(PO
 
4
,SO
 
4
)
 
2
(OH)
 
8
·4-6H
 
2
O not confirmed·
19.14.20Collinsite
Ca
 
2
(Mg,Fe
2+
 
)[PO
 
4
]
 
2
 · 2H
 
2
O
19.14.21Segelerite
Ca
 
2
 Mg
 
2
 Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
19.14.22Kingsmountite
Ca
 
4
(Fe
2+
 
,Mn
2+
 
)Al
 
4
[(OH)
 
2
|(PO
 
4
)
 
3
]
 
2
 · 12H
 
2
O
19.14.23Vauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
19.14.24Metavauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
19.14.25Paravauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
19.14.26Sigloite
Fe
3+
 
Al
 
2
[(OH)
 
3
|(PO
 
4
)
 
2
] · 7H
 
2
O
19.14.27Cacoxenite
Fe
3+
24
Al[(OH)
 
12
|O
 
6
|(PO
 
4
)
 
17
] · 17H
 
2
O
19.14.28Koninckite
Fe
3+
 
[PO
 
4
] · 3H
 
2
O
19.14.29Lazulite
(Mg,Fe
2+
 
)Al
 
2
[OH|PO
 
4
]
 
2
19.14.30Scorzalite
(Fe
2+
 
,Mg)Al
 
2
[OH|PO
 
4
]
 
2
19.14.31Souzalite
(Mg,Fe
2+
 
)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.32Gormanite
(Fe
2+
 
,Mg)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.14.33Zaïrite
Bi(Fe
3+
 
,Al)
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]

Other Names for Cyrilovite

Synonyms:
Avelinoite
German names:
AvelinoitCyrilovit
Russian names:
Цириловит
Spanish names:
AvelinoitaCyrilovita

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 Cyrilovite

Reference List:Lindberg, M.L. (1957) Relationship of the minerals avelinoite, cyrilovite, and wardite. American Mineralogist: 42: 204–213.

American Mineralogist (1957): 42: 586.

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 134.

Internet Links for Cyrilovite

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    Localities for Cyrilovite

    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.
    Australia
     
    • New South Wales
      • Kennedy Co.
        • Northparkes Mine
    		A.L. McLean, J.Chapman, J.L. Sharpe and P.A. Williams (2004): The mineralogy of the oxidised zone of the E26 orebody at Northparkes, New South Wales. Australian Journal of Mineralogy 10, 53-57.
      • Yancowinna Co.
        • Broken Hill
    		Australian Mineralogist (1997): 3: 1.
    • South Australia
      • Eyre peninsula
        • Middleback Range
          • Iron Knob
    		No reference listed
      • Mt Lofty Ranges
        • North Mt Lofty Ranges
          • Robertstown
        • South Mt Lofty Ranges
          • Barossa Valley
            • Angaston
    		Segnit, E. R., Watts, J. A. & Peisley, V. (1981): Mineralogy of the rock phosphate deposit at Moculta, South Australia. Austral. Mineral. 1 (35), 179-186.
          • Kapunda
    • Victoria
      • Castelmaine
        • Campbells Creek
    		P. Sutton (2007): Cyrilovite and natrodufrenite from near Campbells Creek, Victoria. Australian Journal of Mineralogy, 13(2), 65-71.
      • Lake Boga
    		No reference listed
      • Wycheproof
    Brazil
     
    • Northeast Region
      • Paraíba
        • Frei Martinho
    		[MinRec 22:183]
    • Southeast Region
      • Minas Gerais
        • Doce valley
          • Galiléia
    		was listed for Jocão Mine
            • Laranjeiras
    		No reference listed
    [MinRec 12:69]
            • Sapucaia do Norte
    		AmMin 89:1087
    Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Velké Meziříčí
    		Acta Acad.Sci.Nat. Moravo-Silesiae (1953) 25, 325-336
    France
     
    • Auvergne
      • Allier
        • Ebreuil
          • Echassières
    		Le Règne Minéral, (33), 5-25.
    • Poitou-Charentes
      • Deux-Sèvres
        • Le Temple
    		Le Cahier des micromonteurs, 2002, N°75, pp 8-25
    Germany
     
    • Bavaria
      • Franconia
        • Fichtelgebirge
          • Tröstau
            • Leupoldsdorf
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
          • Weißenstadt
            • Großer Waldstein Mt.
    		Wittern: "Mineralfundorte in Deutschland", 2001
      • Upper Palatinate
        • Oberpfälzer Wald
          • Vohenstrauß
            • Waidhaus
              • Hagendorf
    		http://www.berthold-weber.de/h_miner.htm
    • Saxony
      • Oberlausitz
        • Görlitz
          • Rengersdorf
    		T. Witzke & T. Giesler (1997): Neufunde aus Sachsen (VI): Churchit-(Y), Cyrilovit, Faustit, Kidwellit, Meurigit und Nickelhexahydrit aus der Lausitz.- Lapis 22, 9, 36-38
    Italy
     
    • Sardinia
      • Oristano Province
        • Bosa
    		Conti-Vecchi G. & Stara P. (1991) Minerali della Sardegna, Edition Della Torre, Cagliari, 276 p
    Madagascar
     
    • Fianarantsoa Province
      • Amoron'i Mania Region
        • Ampandramaika-Malakialina Pegmatite Field
          • Ambatofinandrahana Departement
    		J.Behier (1963): Carte mineralogique de Madagascar. Archive Serv. Geol.Mad. A 1871
    Namibia
     
    • Erongo Region
      • Karibib District
        • Usakos
    		Keller, P. (1974): Phosphatmineralien aus Pegmatiten Sudwestafrikas, Der Aufschluss 25,577-591(1974)
    Portugal
     
    • Guarda District
      • Sabugal
    		Schnorrer-Köhler (1991), Mineral Occurrences.
    • Viseu District
      • Mangualde
      • Vouzela
    Rwanda
     
    CanMin 42:697-704 (2004)
    UK
     
    • England
      • Cornwall
        • St Austell District
          • Luxulyan Area (Luxulian Area)
            • Hensbarrow Downs
              • Stenalees
    		No reference listed
    USA
     
    • Florida
      • Polk Co.
        • Homeland
    		Denicourt, R., Micromounters of New England program, NE meeting program, May 1984
    • Nevada
      • Humboldt Co.
        • Buffalo Mountain District
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • Iron Point District
          • Valmy
    		NBMG Spec. Pub. 31 Minerals of Nevada
    • North Carolina
      • Cleveland Co.
        • Kings Mountain District
    • South Dakota
      • Custer Co.
        • Custer District
          • Fourmile
    		Rocks & Minerals: 75(3): 156-169.
    Mineral and/or Locality
    Google
     
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