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Apatite-(CaF) Mineral Data

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General Apatite-(CaF) Information

Help on Chemical  Formula: Chemical Formula: Ca5(PO4)3F
Help on Composition: Composition: Molecular Weight = 504.30 gm
   Calcium     39.74 %  Ca   55.60 % CaO
   Phosphorus  18.43 %  P    42.22 % P2O5
   Oxygen      38.07 %  O
   Fluorine     3.77 %  F     3.77 % F
                 -   %   F    -1.59 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5(PO4)3F
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1860
Help on Locality: Locality: Common world wide. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the fluorine end-member and from the Greek apatao - "I am misleading."
Help on Name Pronunciation: Name Pronunciation: Apatite-(CaF) Say APATITE-(CAF)
Help on Synonym: Synonym: Apatite
  Fluorapatite - Renamed to Apatite-(CaF) by Mineralogical Record, v39 (2008), p 131
  Wilkeite
 

Apatite-(CaF) Image

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  Apatite-(CaF)   Beryl   Muscovite   Apatite

Comments: Pink crystals of fluorapatite with pale blue beryl (aquamarine) on books of muscovite crystals.
Location: Nagar area, Gilgit district, Northern Areas, Pakistan. Scale: 3 x 3 cm.
© Dan Weinrich

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  Apatite-(CaF)   Quartz

Comments: Purple crystal of fluorapatite on slightly smoky quartz crystals. Former Dr. E.E. David and Houston Museum collections.
Location: Pech, Kunar Province, Nuristan, Afghanistan. Scale: Crystal size 3.0 x 2.1 x 1.7 cm.
© Ed Rosenzweig

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  Gatumbaite   Apatite-(CaF)

Comments: White crystalline gatumbaite with yellow brazilianite in massive blue fluorapatite.
Location: Buranga Pegmatite, near Gatumba, Gisenyi, Rwanda. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Apatite-(CaF) Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.73492
Help on Cell Dimensions: Cell Dimensions: a = 9.367, c = 6.884, Z = 2; V = 523.09 Den(Calc)= 3.20
Help on Crystal System: Crystal System: Hexagonal - Dipyramidal H-M Symbol (6/m) Space Group: P 63/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.8(1), 2.702(0.6), 2.772(0.55),
Help on Forms: Forms:

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Forms: ( 0 1 1) ( 0 1 0) ( 1 1 0) ( 0 0 1)

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Physical Properties of Apatite-(CaF)

Help on Cleavage: Cleavage: {0001} Indistinct
Help on Color: Color: Blue, Brown, Colorless, Violet, Green.
Help on Density: Density: 3.1 - 3.2, Average = 3.15
Help on Diaphaneity: Diaphaneity: Transparent to Opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Fluorescent and phosphorescent.
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: white
 

Optical Properties of Apatite-(CaF)

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): colorless.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.008 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1973,KPDmeas= 0.2004,KC= 0.1958
Ncalc = 1.61 - 1.63
Help on Optical Data: Optical Data: Uniaxial (-), e=1.6325, w=1.63, bire=0.0025.
 

Calculated Properties of Apatite-(CaF)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.17 gm/cc
note: Specific Gravity of Apatite-(CaF) =3.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0007191776
Boson Index = 0.9992808224
Help on Photoelectric: Photoelectric: PEApatite-(CaF) = 5.79 barns/electron
U=PEApatite-(CaF) x rElectron Density= 18.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Apatite-(CaF) is Not Radioactive
 

Apatite-(CaF) Classification

Help on  Dana Class: Dana Class: 41.08.01.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.08)where (A)5 (XO4)3 Zq
  (41.08.01)Apatite Group
 
41.08.01.00 Apatite* Ca5(PO4)3(OH,F,Cl) P 63/m 6/m
 
41.08.01.01 Apatite-(CaF) Ca5(PO4)3F P 63/m 6/m
 
41.08.01.02 Apatite-(CaCl) Ca5(PO4)3Cl P 63/m 6/m
 
41.08.01.03 Apatite-(CaOH) Ca5(PO4)3(OH) P 63/m 6/m
 
41.08.01.04 Carbonate-fluorapatite? Ca5(PO4,CO3)3F P 63/m 6/m
 
41.08.01.05 Carbonate-hydroxylapatite? Ca5(PO4,CO3)3(OH) P 63/m 6/m
 
41.08.01.06 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3
 
41.08.01.06a Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3
 
41.08.01.06b Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3
 
41.08.01.07 Apatite-(SrOH) (Sr,Ca)5(PO4)3(F,OH) P 63/m 6/m
 
41.08.01.08 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 63 6
 
41.08.01.09 Deloneite-(Ce)! NaCa2SrCe(PO4)3F P 3 3
 
41.08.01.10 IMA2008-009! Sr5(PO4)3F P 63/m 6/m 2/m 2/m
 
41.08.01.11 IMA2008-068! Ca2Pb3(PO4)3F P 63/m 6/m
 
41.08.01.12 Phosphohedyphane! Ca2Pb3(PO4)3Cl P 63/m 6/m
Help on  Strunz Class: Strunz Class: 08.BN.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BN -With only large cations, (OH, etc.):RO4 = 0.33:1
 
08.BN.05 Alforsite Ba5(PO4)3Cl P 63/m 6/m
 
08.BN.05 Apatite* Ca5(PO4)3(OH,F,Cl) P 63/m 6/m
 
08.BN.05 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3
 
08.BN.05 Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3
 
08.BN.05 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 63/m 6/m
 
08.BN.05 Deloneite-(Ce)! NaCa2SrCe(PO4)3F P 3 3
 
08.BN.05 Johnbaumite Ca5(AsO4)3(OH) P 63/m,P 63 Hex
 
08.BN.05 Apatite-(CaOH) Ca5(PO4)3(OH) P 63/m 6/m
 
08.BN.05 Apatite-(CaCl) Ca5(PO4)3Cl P 63/m 6/m
 
08.BN.05 Carbonate-fluorapatite? Ca5(PO4,CO3)3F P 63/m 6/m
 
08.BN.05 Carbonate-hydroxylapatite? Ca5(PO4,CO3)3(OH) P 63/m 6/m
 
08.BN.05 Clinomimetite Pb5(AsO4)3Cl P 21/b 2/m
 
08.BN.05 Apatite-(CaF) Ca5(PO4)3F P 63/m 6/m
 
08.BN.05 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 63 6
 
08.BN.05 Hedyphane Ca2Pb3(AsO4)3Cl P 63/m 6/m
 
08.BN.05 Mimetite Pb5(AsO4)3Cl P 63/m 6/m
 
08.BN.05 Apatite-(SrOH) (Sr,Ca)5(PO4)3(F,OH) P 63/m 6/m
 
08.BN.05 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 63/m,P 63 Hex
 
08.BN.05 Pyromorphite Pb5(PO4)3Cl P 63/m 6/m
 
08.BN.05 Vanadinite Pb5(VO4)3Cl P 63/m 6/m
 
08.BN.05 Apatite-(CaOH)-M! (Ca,Na)5[(P,S)O4]3(OH,Cl) P 21/b 2/m
 
08.BN.05 IMA2008-068! Ca2Pb3(PO4)3F P 63/m 6/m
 
08.BN.05 Svabite Ca5(AsO4)3F P 63/m 6/m
 
08.BN.05 Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3
 
08.BN.05 Turneaureite Ca5[(As,P)O4]3Cl P 63/m 6/m
 
08.BN.05 Phosphohedyphane! Ca2Pb3(PO4)3Cl P 63/m 6/m
 
08.BN.05 IMA2008-009! Sr5(PO4)3F P 63/m 6/m 2/m 2/m
 
08.BN.05 Hydroxylpyromorphite! Pb5(PO4)3OH P 63/m 6/m
 

Other Apatite-(CaF) 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 Apatite-(CaF) :
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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Apatite-(CaF)

Ca5(PO4)3F
Dana No: 41.08.01.01 Strunz No: 08.BN.05
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