Cyrilovite Mineral Data

Cyrilovite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Mineral News
Dan Weinrich Auctions
[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com]
Weinrich Minerals Auctions, Inc
Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens
The Place To Find Great Specimens At Great Prices!

NY NJ Expos

General Cyrilovite Information

Help on Chemical Formula: Chemical Formula: NaFe+++3(PO4)2(OH)4•2(H2O)
Help on Composition: Composition: 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
Help on Empirical Formula: Empirical Formula: NaFe3+3(PO4)2(OH)4•2(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1953
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality Cyrilov, Czechoslovakia.
Help on Synonym: Synonym: ICSD 90612
  PDF 43-672
 

Cyrilovite Image

Click Here for Larger Cyrilovite Image in a New Browser Window Images:
Click Here for Larger Cyrilovite Image

Cyrilovite

Comments: Greenish-yellow crystals of cyrilovite in matrix.
Location: Rengersdorf, Görlitz, Oberlausitz, Saxony, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Cyrilovite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.64085
Help on Cell Dimensions: Cell Dimensions: a = 7.334, c = 19.368, Z = 4; V = 1,041.76 Den(Calc)= 3.09
Help on Crystal System: Crystal System: Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 412121,P 432121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.85(1), 2.658(0.8), 3.186(0.8),
Click Here for Large Cyrilovite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Cozzupoli D , Grubessi O , Mottana A , Zanazzi P F , Mineralogy and Petrology , 37 (1987) p.1-14, Cyrilovite from Italy: structure and crystal chemistry, Locality: Bosa, Sardinia, Italy

 

Physical Properties of Cyrilovite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow, Orange yellow, Brown.
Help on Density: Density: 3.08
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Pseudo Cubic - Crystals show a cubic outline.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellow
 

Optical Properties of Cyrilovite

Help on Gladstone-Dale: Gladstone-Dale: 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
Ncalc = 1.84
Help on Optical Data: Optical Data: Uniaxial (-), e=1.769, w=1.803, bire=0.0340.
 

Calculated Properties of Cyrilovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.04 gm/cc
note: Specific Gravity of Cyrilovite =3.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.007554886
Boson Index = 0.992445114
Help on Photoelectric: Photoelectric: PECyrilovite = 10.94 barns/electron
U=PECyrilovite x rElectron Density= 33.24 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cyrilovite is Not Radioactive
 

Cyrilovite Classification
Help on Dana Class: Dana Class: 42.07.08.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.07)where (AB)5 (XO4)3 Zq ˇ x(H2O)
  (42.07.08)Cyrilovite Group
 
42.07.08.01 Cyrilovite NaFe3(PO4)2(OH)4•2(H2O) P 412121,P 432121 4 2 2
 
42.07.08.02 Wardite NaAl3(PO4)2(OH)4•2(H2O) P 41212 4 2 2
Help on Strunz Class: Strunz Class: 08.DL.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1
 
08.DL.10 Cyrilovite NaFe3(PO4)2(OH)4•2(H2O) P 412121,P 432121 4 2 2
 
08.DL.10 Millisite (Na,K)CaAl6(PO4)4(OH)9•3(H2O) P 41212,P 43212 4 2 2
 
08.DL.10 Wardite NaAl3(PO4)2(OH)4•2(H2O) P 41212 4 2 2
 

Other Cyrilovite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Cyrilovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Cyrilovite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Cyrilovite :

B and L Fine Minerals
Dakota Matrix Minerals
Dan & Diana Weinrich Mineral Auctions
Excalibur Mineral Corp.
Exceptional Minerals
John Betts Fine Minerals
Mineral News
Mineral of the Month Club
NY/NJ Gem & Mineral Show
TIMA Mineral Analyzer
Weinrich Minerals, Inc.
Wright's Rock Shop

Ask about Cyrilovite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espańol

Print or Cut-and-Paste your Cyrilovite Specimen Label here :

Cyrilovite

NaFe+++3(PO4)2(OH)4•2(H2O)
Dana No: 42.07.08.01 Strunz No: 08.DL.10
Locality:

 

Notes: