Mineralogy Database

Apatite-(CaOH)-M Mineral Data

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General Apatite-(CaOH)-M Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na)5[(P,S)O4]3(OH,Cl)
Help on Composition: Composition: Molecular Weight = 499.72 gm
   Sodium       2.44 %  Na    3.29 % Na2O
   Strontium    0.26 %  Sr    0.31 % SrO
   Calcium     35.82 %  Ca   50.12 % CaO
   Lanthanum    0.06 %  La    0.07 % La2O3
   Cerium       0.14 %  Ce    0.16 % Ce2O3
   Silicon      0.09 %  Si    0.19 % SiO2
   Phosphorus  14.50 %  P    33.23 % P2O5
   Hydrogen     0.16 %  H     1.39 % H2O
   Sulfur       4.01 %  S     9.01 % S2O5
   Chlorine     1.64 %  Cl    1.64 % Cl
                 -   %   Cl   -0.37 % -O=Cl2   
   Oxygen      40.88 %  O
              ______        ______ 
              100.00 %       99.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4.46Na0.53Sr0.01La0.002Ce0.005P2.34S0.62Si0.01O12(OH)0.76Cl0.23
Help on Environment: Environment: Found in an altered leucogabbro in a unit of the Seagull ultramafic intrusion. Apatite group.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: 7.5 km SSW of the Wolf Mountain and 50 km W of the town of Nipigon, Thunder Bay district, northwestern Ontario, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the monoclinic analog of hyroxylapatite.
Help on Name Pronunciation: Name Pronunciation: Apatite-(CaOH)-M Say APATITE-(CAOH)-M
Help on Synonym: Synonym: Clinohydroxylapatite - Renamed to Apatite-(CaOH)-M by Mineralogical Record, v39 (2008), p 131

Apatite-(CaOH)-M Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5009:1:0.3648
Help on Cell Dimensions: Cell Dimensions: a = 9.445, b = 18.853, c = 6.8783, Z = 4; beta = 120° V = 1,060.70 Den(Calc)= 3.13
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/b
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.267(1)(320 ), 2.724(0.79)(060 ), 1.784(0.7)(420 ),2.817(0.66)(161), 1.841(0.58)(223 ), 2.781(0.41)(142), 1.945(0.39)(242 ), 2.63(0.24)(

Physical Properties of Apatite-(CaOH)-M

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Splintery - Brittle fracture leaving splintery fragments.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: whie

Optical Properties of Apatite-(CaOH)-M

Help on Optical Data: Optical Data: NCalc= 1.57 - from Gladstone-Dale relationship (KC = 0.1834) where Ncalc=Dcalc*KC+1

Calculated Properties of Apatite-(CaOH)-M

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.11 gm/cc
note: Specific Gravity of Apatite-(CaOH)-M =3.13 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0012073963
Boson Index = 0.9987926037
Help on Photoelectric: Photoelectric: PEApatite-(CaOH)-M = 6.66 barns/electron
U=PEApatite-(CaOH)-M x relectron= 20.72 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 207.56 (Gamma Ray American Petroleum Institute Units)
Concentration of Apatite-(CaOH)-M per GRapi unit = 0.48 (%)

Estimated Radioactivity from Apatite-(CaOH)-M - barely detectable


Apatite-(CaOH)-M Classification

Help on  Dana Class: Dana Class: (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.08)where (A)5 (XO4)3 Zq
  (41.08.06)Clinomimetite Group Clinomimetite Pb5(AsO4)3Cl P 21/b 2/m Apatite-(CaOH)-M! (Ca,Na)5[(P,S)O4]3(OH,Cl) P 21/b 2/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)-M Information

Help on References: References: NAME( AmMin, v91, p1453) PHYS. PROP.(AmMin, v91, p1453) OPTIC PROP.(AmMin, v91, p1453)
Help on See Also: See Also: Links to other databases for Apatite-(CaOH)-M :
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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Dana No: Strunz No: 08.BN.05





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