Mineralogy Database

Fluorcaphite Mineral Data

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General Fluorcaphite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Sr,Ce,Na)5(PO4)3F
Help on Composition: Composition: Molecular Weight = 671.38 gm
   Sodium       0.86 %  Na    1.15 % Na2O
   Strontium   19.58 %  Sr   23.15 % SrO
   Calcium     13.43 %  Ca   18.79 % CaO
   Cerium      20.87 %  Ce   24.44 % Ce2O3
   Phosphorus  13.84 %  P    31.71 % P2O5
   Oxygen      28.60 %  O
   Fluorine     2.83 %  F     2.83 % F
                 -   %   F    -1.19 % -O=F2    
              ______        ______ 
              100.00 %      100.89 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 5(Ca0.45)5(Sr0.3)5(Ce0.2)5(Na0.05)(PO4)3F
Help on Environment: Environment: In miarolitic cavities in a hyperagpaitic pegmatite in ijolite-urtite. Ca and F dominant analog of strontium-apatite.
Help on IMA Status: IMA Status: Approved IMA 1995 (Dana # Added)
Help on Locality: Locality: Khibina alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its composition of fluorine, calcium, and phosphorous.
Help on Name Pronunciation: Name Pronunciation: Fluorcaphite + Pronunciation Say FLUORCAPHITE
Help on Synonym: Synonym: ICSD 76619
  IMA1996-022
  PDF 50-1603
 

Fluorcaphite Image

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  Fluorcaphite

Comments: Massive, coarsely crystalline, pale yellowish fluorcaphite.
Location: Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Fluorcaphite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.73801
Help on Cell Dimensions: Cell Dimensions: a = 9.485, c = 7.0001, Z = 2; V = 545.39 Den(Calc)= 4.09
Help on Crystal System: Crystal System: Hexagonal - Pyramidal H-M Symbol (6) Space Group: P 63
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.838(1), 2.74(0.53), 2.814(0.48),
 

Physical Properties of Fluorcaphite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light yellow, Bright yellow.
Help on Density: Density: 3.6
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Fluorcaphite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.052 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.074 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1572,KPDmeas= 0.1786,KC= 0.1698
Ncalc = 1.61 - 1.69
Help on Optical Data: Optical Data: Uniaxial (-), e=1.637, w=1.649, bire=0.0120.
 

Calculated Properties of Fluorcaphite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.35 gm/cc
note: Specific Gravity of Fluorcaphite =3.60 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFluorcaphite = 128.09 barns/electron
U=PEFluorcaphite x relectron= 429.62 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 20,739.74 (Gamma Ray American Petroleum Institute Units)
Concentration of Fluorcaphite per GRapi unit = 48.22 (PPM)

Fluorcaphite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Fluorcaphite - weak
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.10 cm 467,481 1.26E-05 20,739.74 6.82
100 gm / 3.76 cm 46,748 1.26E-06 2,073.97 0.68
10 gm / 1.74 cm 4,675 1.26E-07 207.40 0.07
1 gm / 8.10 mm 467 1.26E-08 20.74 0.01
0.1 gm / 3.76 mm 47 1.26E-09 2.07 0.00
0.01 gm / 1.74 mm 5 1.26E-10 0.21 0.00
0.001 gm / 0.81 mm 0 1.26E-11 0.02 0.00

Weight of pure Fluorcaphite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.60 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 1.04 % Th) From Sum REE Elements (20.87 % REE)
 

Fluorcaphite Classification

Help on  Dana Class: Dana Class: 41.08.01.08 (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 Fluorcaphite Information

Help on References: References: NAME( AmMin) PHYS. PROP.(Min.Mag.,Vol.61,p733,1997) OPTIC PROP.(AmMin)
Help on See Also: See Also: Links to other databases for Fluorcaphite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Print or Cut-and-Paste your Fluorcaphite Specimen Label here :

Fluorcaphite

(Ca,Sr,Ce,Na)5(PO4)3F
Dana No: 41.08.01.08 Strunz No: 08.BN.05
Locality:

 

Notes:

 

 
   
 


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