Fluorapatite Mineral Data + Say FLUORAPATITE


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General Fluorapatite 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 Synonym: Synonym: Apatite
  ICSD 1709
  PDF 15-876
  Wilkeite
 

Fluorapatite Image

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Fluorapatite   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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Fluorapatite   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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Fluorapatite   Gatumbaite

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

Fluorapatite 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 - DipyramidalH-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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Hughes J M , Cameron M , Crowley K D , American Mineralogist , 74 (1989) p.870-876, Structural variations in natural F, OH, and Cl apatites, Locality: Durango Mexico

View Additional jPOWD Structure files for Fluorapatite
[1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [2] [20] [21] [3] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Fluorapatite

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 Diaphaniety: Diaphaniety: 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 Fluorapatite

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
Help on Optical Data: Optical Data: Uniaxial (-), e=1.6325, w=1.63, bire=0.0025.
 

Calculated Properties of Fluorapatite

Help on Electron Density: Electron Density:

relectron=3.17 gm/cc
note: rFluorapatite =3.20 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.00071
Boson Index = 0.99929
Help on Photoelectric: Photoelectric:

PEFluorapatite = 5.79 barns/electron
U=PEFluorapatite x relectron= 18.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Fluorapatite is Not Radioactive
 

Fluorapatite Classification
Help on Dana Class: Dana Class: 41.8.1.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.8)where (A)5 (XO4)3 Zq
  (41.8.1)Dana Group
 
41.8.1.0 Apatite* Ca5(PO4)3(OH,F,Cl) P 63/m 6/m
 
41.8.1.1 Fluorapatite Ca5(PO4)3F P 63/m 6/m
 
41.8.1.2 Chlorapatite Ca5(PO4)3Cl P 63/m 6/m
 
41.8.1.3 Hydroxylapatite Ca5(PO4)3(OH) P 63/m 6/m
 
41.8.1.4 Carbonate-fluorapatite Ca5(PO4,CO3)3F P 63/m 6/m
 
41.8.1.5 Carbonate-hydroxylapatite Ca5(PO4,CO3)3(OH) P 63/m 6/m
 
41.8.1.6 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3
 
41.8.1.6a Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3
 
41.8.1.6b Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3
 
41.8.1.7 Strontium-apatite (Sr,Ca)5(PO4)3(F,OH) P 63/m 6/m
 
41.8.1.8 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 63 6
 
41.8.1.9 Deloneite-(Ce)! NaCa2SrCe(PO4)3F P 3 3
Help on Strunz Class: Strunz Class: VII/B.39-10 VII - Phosphates, Arsenates and Vanadates
  VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb
  VII/B.39 - Apatite - Pyromorphite group
 
VII/B.39-10 Fluorapatite Ca5(PO4)3F P 63/m 6/m
 
VII/B.39-20 Chlorapatite Ca5(PO4)3Cl P 63/m 6/m
 
VII/B.39-30 Hydroxylapatite Ca5(PO4)3(OH) P 63/m 6/m
 
VII/B.39-40 Carbonate-hydroxylapatite Ca5(PO4,CO3)3(OH) P 63/m 6/m
 
VII/B.39-50 Carbonate-fluorapatite Ca5(PO4,CO3)3F P 63/m 6/m
 
VII/B.39-60 Svabite Ca5(AsO4)3F P 63/m 6/m
 
VII/B.39-70 Turneaureite Ca5[(As,P)O4]3Cl P 63/m 6/m
 
VII/B.39-80 Johnbaumite Ca5(AsO4)3(OH) P 63/m,P 63 Hex
 
VII/B.39-90 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 63/m 6/m
 
VII/B.39-95 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 63 6
 
VII/B.39-100 Strontium-apatite (Sr,Ca)5(PO4)3(F,OH) P 63/m 6/m
 
VII/B.39-110 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3
 
VII/B.39-115 Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3
 
VII/B.39-117 Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3
 
VII/B.39-120 Alforsite Ba5(PO4)3Cl P 63/m 6/m
 
VII/B.39-130 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 63/m,P 63 Hex
 
VII/B.39-140 Hedyphane Ca2Pb3(AsO4)3Cl P 63/m 6/m
 
VII/B.39-150 Pyromorphite Pb5(PO4)3Cl P 63/m 6/m
 
VII/B.39-160 Mimetite Pb5(AsO4)3Cl P 63/m 6/m
 
VII/B.39-165 Clinomimetite Pb5(AsO4)3Cl P 21/b 2/m
 
VII/B.39-170 Vanadinite Pb5(VO4)3Cl P 63/m 6/m
 

Other Fluorapatite 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 Fluorapatite :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 -Athena 6 - Crocoite.com Mineral Locations 7 - EUROmin Project 8 - Franklin Minerals(Dunn) 9 - Glendale Community College 10 -Google Images 11 -Google Scholar 12 -Handbook of Mineralogy (UofA) 13 - HyperPhysics 14 -MinDAT 15 -MinMax(Deutsch) 16 -MinMax(English) 17 - Mineral and Gemstone Kingdom 18 -Mineralienatlas (Deutsch) 19 -QUT Mineral Atlas 20 -University of Colorado - Mineral Structure Data 21 - WWW-MINCRYST 22 -École des Mines de Paris

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Fluorapatite

Ca5(PO4)3F
Dana No: 41.8.1.1 Strunz No: VII/B.39-10
Locality:

 

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