Ellestadite-(F) Mineral Data

Ellestadite-(F) Mineral Data
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General Ellestadite-(F) Information

Help on Chemical Formula: Chemical Formula: Ca5(SiO4,PO4,SO4)3(F,OH,Cl)
Help on Composition: Composition: Molecular Weight = 503.55 gm
   Calcium     39.80 %  Ca   55.68 % CaO
   Silicon      5.58 %  Si   11.93 % SiO2
   Phosphorus   6.15 %  P    14.09 % P2O5
   Hydrogen     0.06 %  H     0.54 % H2O
   Sulfur       6.37 %  S    15.90 % SO3
   Chlorine     0.70 %  Cl    0.70 % Cl
                 -   %   Cl   -0.16 % -O=Cl2   
   Oxygen      39.08 %  O
   Fluorine     2.26 %  F     2.26 % F
                 -   %   F    -0.95 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5(SiO4)(PO4)(SO4)F0.6(OH)0.3Cl0.1
Help on Environment: Environment: Contact metamorphic skarn.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Crestmore, Riverside, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and Reuben B. Ellestad (1900-1993), American analytical chemist of Minneapolis, Minnesota, USA.
Help on Synonym: Synonym: Fluorellestadite - Renamed Ellestadite-(F) by Mineralogical Record v39 (2008), 131
 

Ellestadite-(F) Image

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Ellestadite-(F)

Comments: Blue-green granular fluorellestadite in calcium rich rock matrix.
Location: Kopeisk, Chelyabinsk District, Southern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ellestadite-(F) Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.72915
Help on Cell Dimensions: Cell Dimensions: a = 9.485, c = 6.916, Z = 2; V = 538.84 Den(Calc)= 3.10
Help on Crystal System: Crystal System: Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 63/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.84(1), 2.74(0.9), 1.852(0.8),
Click Here for Large Ellestadite-(F) Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
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B - Bonds On/Off
 Help on Above


Pajares I , De la Torre A G , Martinez-Ramirez S , Puertas F , Blanco-Varela M T , Aranda M A G , Powder Diffraction , 17 (2002) p.281-286, Quantitative analysis of mineralized white Portland clinkers: The structure of fluorellestadite, Locality: synthetic

 

Physical Properties of Ellestadite-(F)

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue, Pale bluish green, Colorless.
Help on Density: Density: 3.03 - 3.07, Average = 3.05
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luminescence: Luminescence: Sometimes Fluorescent, Short UV=bluish white, Long UV=weak white.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: bluish white
 

Optical Properties of Ellestadite-(F)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.065 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.048 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2105,KPDmeas= 0.2139,KC= 0.2008
Ncalc = 1.61 - 1.62
Help on Optical Data: Optical Data: Uniaxial (-), e=1.65, w=1.655, bire=0.0050.
 

Calculated Properties of Ellestadite-(F)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.09 gm/cc
note: Specific Gravity of Ellestadite-(F) =3.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0038071745
Boson Index = 0.9961928255
Help on Photoelectric: Photoelectric: PEEllestadite-(F) = 5.83 barns/electron
U=PEEllestadite-(F) x rElectron Density= 18.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ellestadite-(F) is Not Radioactive
 

Ellestadite-(F) Classification
Help on Dana Class: Dana Class: 52.04.09.03 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
  (52.04)with cations in [6] and/or > [6] coordination
  (52.04.09)Silicate apatites
 
52.04.09.00 Ellestadite* Ca5(SiO4,PO4,SO4)3(F,OH,Cl) P 63/m 6/m
 
52.04.09.01 Britholite-(Ce) (Ce,Ca,Th,La,Nd)5(SiO4,PO4)3(OH,F) P 63/m 6/m
 
52.04.09.02 Britholite-(Y) (Y,Ca)5(SiO4,PO4)3(OH,F) P 63/m 6/m
 
52.04.09.03 Ellestadite-(F) Ca5(SiO4,PO4,SO4)3(F,OH,Cl) P 63/m 6/m
 
52.04.09.04 Ellestadite-(OH) Ca5(SiO4,SO4)3(OH,Cl,F) P 63/m 6/m
 
52.04.09.05 Ellestadite-(Cl) Ca5(SiO4,PO4,SO4)3(Cl,OH,F) P 63/m 6/m
 
52.04.09.06 Mattheddleite Pb20(SiO4)7(SO4)4Cl4 P 63/m 6/m
 
52.04.09.07 Karnasurtite-(Ce) (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si,P)2O7(OH)4•3(H2O)(?) Unk. Hex
 
52.04.09.08 Fluorbritholite-(Ce) (Ca,Ce,La,Na)5(SiO4,PO4)3(OH,F) P 63/m 6/m
 
52.04.09.09 Fluorcalciobritholite! (Ca,REE)5[(Si,P)O4]3F P 63/m 6/m
Help on Strunz Class: Strunz Class: 09.AH.25 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AH -Nesosilicates with CO3, SO4, PO4, etc.
 
09.AH.25 Britholite-(Ce) (Ce,Ca,Th,La,Nd)5(SiO4,PO4)3(OH,F) P 63/m 6/m
 
09.AH.25 Britholite-(Y) (Y,Ca)5(SiO4,PO4)3(OH,F) P 63/m 6/m
 
09.AH.25 Ellestadite-(Cl) Ca5(SiO4,PO4,SO4)3(Cl,OH,F) P 63/m 6/m
 
09.AH.25 Fluorbritholite-(Ce) (Ca,Ce,La,Na)5(SiO4,PO4)3(OH,F) P 63/m 6/m
 
09.AH.25 Ellestadite-(F) Ca5(SiO4,PO4,SO4)3(F,OH,Cl) P 63/m 6/m
 
09.AH.25 Ellestadite* Ca5(SiO4,PO4,SO4)3(F,OH,Cl) P 63/m 6/m
 
09.AH.25 Ellestadite-(OH) Ca5(SiO4,SO4)3(OH,Cl,F) P 63/m 6/m
 
09.AH.25 Fluorcalciobritholite! (Ca,REE)5[(Si,P)O4]3F P 63/m 6/m
 

Other Ellestadite-(F) Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Ellestadite-(F) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Ellestadite-(F) Specimen Label here :

Ellestadite-(F)

Ca5(SiO4,PO4,SO4)3(F,OH,Cl)
Dana No: 52.04.09.03 Strunz No: 09.AH.25
Locality:

 

Notes: