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Apatite-(CaOH) Mineral Data

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General Apatite-(CaOH) Information

Help on Chemical  Formula: Chemical Formula: Ca5(PO4)3(OH)
Help on Composition: Composition: Molecular Weight = 502.31 gm
   Calcium     39.89 %  Ca   55.82 % CaO
   Phosphorus  18.50 %  P    42.39 % P2O5
   Hydrogen     0.20 %  H     1.79 % H2O
   Oxygen      41.41 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5(PO4)3(OH)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1856
Help on Locality: Locality: Holly Springs, Cherokee County, Georgia, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the hydroxyl end-member and from the Greek apatao - "I am misleading."
Help on Name Pronunciation: Name Pronunciation: Apatite-(CaOH) Say APATITE-(CAOH)
Help on Synonym: Synonym: Apatite
  Deltaite - mixture with crandellite
  Hydroxyapatite - Renamed to Apatite-(CaOH) by Mineralogical Record, v39 (2008), p 131
 

Apatite-(CaOH) Image

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  Apatite-(CaOH)

Comments: Opaque white blocky crystal of hydroxylapatite.
Location: Snarum, Buskerud, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Apatite-(CaOH) Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.72998
Help on Cell Dimensions: Cell Dimensions: a = 9.418, c = 6.875, Z = 2; V = 528.11 Den(Calc)= 3.16
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): 2.814(1), 2.72(0.6), 2.778(0.6),
Help on Forms: Forms:

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

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Physical Properties of Apatite-(CaOH)

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Colorless, White, Gray, Yellow, Yellowish green.
Help on Density: Density: 3.08
Help on Diaphaneity: Diaphaneity: Transparent to Opaque
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Apatite-(CaOH)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.046 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.02 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2049,KPDmeas= 0.2102,KC= 0.2009
Ncalc = 1.62 - 1.63
Help on Optical Data: Optical Data: Uniaxial (-), e=1.644, w=1.651, bire=0.0070.
 

Calculated Properties of Apatite-(CaOH)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Apatite-(CaOH) =3.16 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000737618
Boson Index = 0.999262382
Help on Photoelectric: Photoelectric: PEApatite-(CaOH) = 5.78 barns/electron
U=PEApatite-(CaOH) x rElectron Density= 18.19 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Apatite-(CaOH) is Not Radioactive
 

Apatite-(CaOH) Classification

Help on  Dana Class: Dana Class: 41.08.01.03 (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-(CaOH) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Apatite-(CaOH) :
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-(CaOH)

Ca5(PO4)3(OH)
Dana No: 41.08.01.03 Strunz No: 08.BN.05
Locality:

 

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