| Cyrilovite Mineral Data |
General Cyrilovite Information |
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| NaFe+++3(PO4)2(OH)4·2(H2O) | |||
| Molecular Weight = 484.53 gm | |||
| Sodium 4.74 % Na 6.40 % Na2O | |||
| Iron 34.58 % Fe 49.44 % Fe2O3 | |||
| Phosphorus 12.78 % P 29.30 % P2O5 | |||
| Hydrogen 1.66 % H 14.87 % H2O | |||
| Oxygen 46.23 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| NaFe3+3(PO4)2(OH)4·2(H2O) | |||
| Valid Species (Pre-IMA) 1953 | |||
| Link to MinDat.org Location Data. | |||
| Named after its locality Cyrilov, Czechoslovakia. | |||
| ICSD 90612 | |||
| PDF 43-672 | |||
Cyrilovite Image | |||
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Cyrilovite Crystallography |
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| a:c = 1:2.64085 | |||
| a = 7.334, c = 19.368, Z = 4; V = 1,041.76 Den(Calc)= 3.09 | |||
| Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 412121,P 432121 | |||
| By Intensity(I/Io): 4.85(1), 2.658(0.8), 3.186(0.8), | |||
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Mouse |
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Physical Properties of Cyrilovite |
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| None | |||
| Yellow, Orange yellow, Brown. | |||
| 3.08 | |||
| Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | |||
| Massive - Granular - Common texture observed in granite and other igneous rock. | |||
| Pseudo Cubic - Crystals show a cubic outline. | |||
| 4 - Fluorite | |||
| Vitreous (Glassy) | |||
| yellow | |||
Optical Properties of Cyrilovite |
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| CI meas= 0.062 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.065 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2544,KPDmeas= 0.2552,KC= 0.2721 |
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| Uniaxial (-), e=1.769, w=1.803, bire=0.0340. | |||
Calculated Properties of Cyrilovite |
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relectron=3.04 gm/cc |
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| Fermion Index = 0.00755 Boson Index = 0.99245 |
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PECyrilovite = 10.94 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cyrilovite is Not Radioactive |
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Cyrilovite Classification |
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| 42.7.8.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.7)where (AB)5 (XO4)3 Zq · x(H2O) | |||
| (42.7.8)Dana Group | |||
| VII/D.51-20 VII - Phosphates, Arsenates and Vanadates | |||
| VII/D - Water-bearing phosphates with unfamiliar anions, cations of very big and medium size: Al, Mg and Ca, Na, K | |||
| VII/D.51 - Wardite - Millisite series | |||
Other Cyrilovite Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Cyrilovite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Cyrilovite using: Visit our Advertisers for Cyrilovite : Translate Cyrilovite Mineral Data : Ask about Cyrilovite here : Print or Cut-and-Paste your Cyrilovite Specimen Label here :
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