Cyrilovite
A valid IMA mineral species - grandfathered
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About Cyrilovite
Formula:
NaFe3+3(PO4)2(OH)4 · 2H2O
Colour:
Bright yellow, honey-yellow, orange to brownish yellow, brown
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
3.081 - 3.096
Crystal System:
Tetragonal
Member of:
Name:
For the type location
Type Locality:
Isostructural with:
Unique Identifiers
Mindat ID:
1206
Long-form identifier:
mindat:1:1:1206:1
GUID
(UUID V4):
(UUID V4):
5716a914-195a-40ce-88fe-7f80aa14303d
IMA Classification of Cyrilovite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1953
Classification of Cyrilovite
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
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
42.7.8.1
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
19.14.1
19 : Phosphates
14 : Phosphates of Fe and other metals
19 : Phosphates
14 : Phosphates of Fe and other metals
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Cyr | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Cyrilovite
Vitreous
Transparency:
Translucent
Colour:
Bright yellow, honey-yellow, orange to brownish yellow, brown
Streak:
Yellow
Hardness:
4 on Mohs scale
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
3.081 - 3.096 g/cm3 (Measured) 3.114 g/cm3 (Calculated)
Optical Data of Cyrilovite
Type:
Uniaxial (-)
RI values:
nω = 1.802 - 1.805 nε = 1.769 - 1.775
Max Birefringence:
δ = 0.033
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Pleochroism:
Weak
Comments:
O= deep yellow to yellow
E= colorless to yellow
E= colorless to yellow
Chemistry of Cyrilovite
Mindat Formula:
NaFe3+3(PO4)2(OH)4 · 2H2O
Crystallography of Cyrilovite
Crystal System:
Tetragonal
Class (H-M):
4 2 2 - Trapezohedral
Space Group:
P41 21 2
Cell Parameters:
a = 7.313(2) Å, c = 19.315(3) Å
Ratio:
a:c = 1 : 2.641
Unit Cell V:
1,032.97 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Thick tabular crystals, also pyramidal, pseudo-octahedral, radiating botryoidal aggregates or crusts.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0014614 | Cyrilovite | Cozzupoli D, Grubessi O, Mottana A, Zanazzi P F (1987) Cyrilovite from Italy: structure and crystal chemistry Mineralogy and Petrology 37 1-14 | 1987 | Bosa, Sardinia, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.77 Å | (50) |
4.74 Å | (100) |
3.12 Å | (60) |
3.09 Å | (80) |
3.00 Å | (80) |
2.83 Å | (40) |
2.59 Å | (80) |
2.11 Å | (40) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47c : [Carbonates, phosphates, borates, nitrates] | |
47g : [Halogen-bearing surface weathering minerals] |
Geological Setting:
Accessory mineral in granitic pegmatites
Type Occurrence of Cyrilovite
General Appearance of Type Material:
Crystalline crusts on frondellite
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 107425.
Geological Setting of Type Material:
Pegmatite
Reference:
Novotný, M., Stanek, J. (1953) Nový minerál, fosforecnan cyrilovit. (Cyrilovite, a new phosphate mineral). Acta Academiae Scientiarum Naturaliuim Moravo-Silesiacae: 25: 325-336.
Synonyms of Cyrilovite
Other Language Names for Cyrilovite
Relationship of Cyrilovite to other Species
Member of:
Other Members of this group:
Fluorowardite | NaAl3(PO4)2F2(OH)2(H2O)2 | Tet. 4 2 2 : P41 21 2 |
Millisite | (Na,K)CaAl6(PO4)4(OH)9 · 3H2O | Tet. |
Wardite | NaAl3(PO4)2(OH)4 · 2H2O | Tet. 4 2 2 : P41 21 2 |
Common Associates
Associated Minerals Based on Photo Data:
49 photos of Cyrilovite associated with Chalcosiderite | CuFe3+6(PO4)4(OH)8 · 4H2O |
44 photos of Cyrilovite associated with Dufrénite | Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O |
42 photos of Cyrilovite associated with Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O |
26 photos of Cyrilovite associated with Natrodufrénite | NaFe2+Fe3+5(PO4)4(OH)6 · 2H2O |
17 photos of Cyrilovite associated with Strengite | FePO4 · 2H2O |
15 photos of Cyrilovite associated with Kidwellite | NaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33 |
12 photos of Cyrilovite associated with Rockbridgeite | Fe2+Fe3+4(PO4)3(OH)5 |
11 photos of Cyrilovite associated with Quartz | SiO2 |
11 photos of Cyrilovite associated with Saléeite | Mg(UO2)2(PO4)2 · 10H2O |
9 photos of Cyrilovite associated with Meurigite-K | KFe3+8(PO4)6(OH)7 · 6.5H2O |
Related Minerals - Strunz-mindat Grouping
8.DL.05 | Foggite | CaAl(PO4)(OH)2 · H2O |
8.DL.10 | Millisite | (Na,K)CaAl6(PO4)4(OH)9 · 3H2O |
8.DL.10 | Wardite | NaAl3(PO4)2(OH)4 · 2H2O |
8.DL.10 | Fluorowardite | NaAl3(PO4)2F2(OH)2(H2O)2 |
8.DL.15 | Agardite-(Nd) | NdCu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Agardite-(Y) | YCu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Agardite-(Ce) | CeCu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Agardite-(Dy) | (Dy,La)Cu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Agardite-(La) | LaCu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Goudeyite | AlCu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Mixite | BiCu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Petersite-(Y) | (Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2O |
8.DL.15 | Zálesíite | CaCu6(AsO4)2(AsO3OH)(OH)6 · 3H2O |
8.DL.15 | Plumboagardite | (Pb,REE,Ca)Cu6(AsO4)3(OH)6 · 3H2O |
8.DL.15 | Calciopetersite | CaCu6(PO4)2(PO3OH)(OH)6 · 3H2O |
8.DL.15 | Petersite-(Ce) | Cu6Ce(PO4)3(OH)6 · 3H2O |
8.DL.15 | Petersite-(La) | Cu6La(PO4)3(OH)6 · 3H2O |
8.DL.20 | Cheremnykhite | Pb3Zn3(VO4)2(TeO6) |
8.DL.20 | Dugganite | Pb3Zn3(AsO4)2(TeO6) |
8.DL.20 | Kuksite | Pb3Zn3(PO4)2(TeO6) |
8.DL.20 | Wallkilldellite | Ca2Mn2+3(AsO4)2(OH)4 · 9H2O |
8.DL.20 | Wallkilldellite-(Fe) | (Ca,Cu)4Fe2+6(AsO4,SiO4)4(OH,O)8 · 18H2O |
8.DL.25 | Angastonite | CaMgAl2(PO4)2(OH)4 · 7H2O |
8.DL.30 | Långbanshyttanite | Pb2Mn2Mg(AsO4)2(OH)4 · 6H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Cyrilovite
mindat.org URL:
https://www.mindat.org/min-1206.html
Please feel free to link to this page.
Please feel free to link to this page.
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Mineral Dealers:
References for Cyrilovite
Reference List:
Lindberg, Marie Louise (1957) Relationship of the minerals avelinoite, cyrilovite and wardite. American Mineralogist, 42 (3-4) 204-213
Fleischer, M. (1957) New mineral names. American Mineralogist, 42 (7-8) 580-586 avelinoite = cyrilovite
Cozzupoli, D., Grubessi, O., Mottana, A., Zanazzi, P. F. (1987) Cyrilovite from Italy: Structure and crystal chemistry. Mineralogy and Petrology, 37 (1) 1-14 doi:10.1007/bf01163154
Novák, M., Sejkora, J., Cooper, M. A. (2000) Cyrilovite from Cyrilov, western Moravia, Czech Republic; new data on the type material. Journal of the Czech Geological Society, 45 (1-2) 101-106
Localities for Cyrilovite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Argentina | |
| VIII Congreso de Mineralogía y ... +2 other references |
Australia | |
| A.L. McLean et al. (2004) |
| Birch et al. (1997) |
| Francis (2010) |
Francis (2010) | |
| Pilkington et al. (1979) |
| Brian Beyer via John Toma (IDs at SA Museum?) |
| Segnit et al. (1981) +1 other reference |
| |
Frost et al. (2004) | |
| Mineralogical Society of America - ... |
| Francis et al. (self published) |
| Lottermoser et al. (1997) |
| W.D.Birch. Phosphate Minerals of ... |
| Jo Price Collection |
| P. Sutton (2007) |
| Birch et al. (1993) +1 other reference |
| Peter Downes |
Austria | |
| Walter F. & Ettinger (2004) |
Brazil | |
| Cassedanne et al. (1982) +1 other reference |
sergio varvello | |
Chukanov et al. (2014) | |
luigi chiappino specimen +1 other reference | |
| Self collect on my mineral trip ... |
Hatert et al. (2010) | |
| Cassedanne et al. (1981) |
| Atencio et al. (2004) |
Cassedanne et al. (1999) | |
| Cassedanne et al. (1991) |
| Sergio Varvello collection |
Chile | |
| SEM-EDS by Joy Desor (valence of Fe) |
Czech Republic (TL) | |
| new data on the type material. Journal of GEOsciences: 45 (1-2) +2 other references |
France | |
| Chollet Pascal collection - EDS ... |
| Uwe Kolitsch (SXRD-analysis of Gert Schöneborn and Heinz Förch samples) |
Cuchet et al. (2000) | |
| Queneau (n.d.) |
| Fontan and al. (1981) |
| Lièvre et al. (2002) |
| Queneau (n.d.) |
| Gayraud et al. (2011) |
Germany | |
| Wittern (2001) |
| Weiß (1990) |
| www.berthold-weber.de (2001) |
| Pöllmann et al. (2005) |
| Lapis 33 (7-8) |
| Witzke et al. (1997) |
Italy | |
| Conti-Vecchi G. & Stara P. (1991) |
Madagascar | |
| Behier (1960) |
Namibia | |
| von Bezing (2007) |
Keller (1974) | |
| von Bezing (2007) |
| von Bezing (2007) |
von Bezing (2007) | |
Portugal | |
| Found by and in the collection of ... |
| Schnorrer-Köhler (1991) |
Alves (n.d.) | |
| Rewitzer et al. (1984) +1 other reference |
Pedro Alves collection and analytical ... | |
| Pedro Alves analytical data and ... |
| Correia Neves (1966) |
Rwanda | |
| Canadian Mineralogist 42:697-704 (2004) |
Spain | |
| Viñals et al. (2011) |
UK | |
| Mineralogical Magazine 1996 60 : ... |
USA | |
| Denicourt +1 other reference |
| Castor et al. (2004) |
Ex-Martin Jensen collection | |
| Silver Coin Mine. Compact Disc. Paul ... |
Castor et al. (2004) | |
| Hanahan (1985) |
| Smith et al. (2000) |
Uzbekistan | |
| Mineraly Uzbekistana (Minerals of the Uzbekistan) |
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Eduardo claim, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil