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CAT'S EYE APATITE       NATURAL COLOR          Hardness 5
APATITE 1   APATITE 2 APATITE 3 GREEN APATITE SMALL APATITE   CAB. GREEN APATITE
   1.98 cts. Cab.  Apatite oval

  10.5 x 5.8 mm.

  Enhancement: none (N) 

stone PRICE

     USD 12.00 

ORIGIN: Madagascar

ref:cabAPo198  

 

    2.11cts. Cab. cat's eye Apatite oval

  10.6 x 6.6 mm.

Enhancement: none (N) 

stone PRICE

     USD 124.00    

ORIGIN: Madagascar

ref:cabAPo211  

 

    2.27 cts. Cab. cat's eye Apatite asymmetric

 12.9 x 6.3  mm.

    Enhancement: none (N) 

stone PRICE

     USD 34.00    

ORIGIN: Madagascar

ref:cabAPa227  

 

   3.67 cts. Cab. cat's eye Apatite asymmetric

  18.3 x 6.1 mm.

   Slightly included. Enhancement: none (N) 

stone PRICE

     USD 29.00    

ORIGIN: Madagascar

ref:cabAPa367  

 

   5.30 cts. Cab. cat's eye Apatite round

  11.1 mm.

  Enhancement: none (N) 

stone PRICE

     USD 420.00    

ORIGIN: Madagascar

ref:cabAPr530  

 

    5.54 cts. Cab. cat's eye Apatite oval

  16.6 x 9 mm.

   Slightly included. Enhancement: none (N) 

stone PRICE

     USD 190.00    

ORIGIN: Madagascar

ref:cabAPo554  

 

   7.67 cts. Cab. Apatite asymmetric

 13.1 x 11.3  mm.

   Slightly included. Enhancement: none (N)

stone PRICE

     USD 49.00    

ORIGIN: Madagascar

ref:cabAPa767  

 

   8.13 cts. Cab. cat's eye Apatite asymmetric

  18.8 x 8.5 mm.

  Enhancement: none (N) 

stone PRICE

     USD 270.00    

ORIGIN: Madagascar

ref:cabAPa813  

 

    1.34 cts. Cab. cat's eye Apatite round

7 mm.

   Slightly included. Enhancement: none (N) 

stone PRICE

     USD 60.00    

ORIGIN: Madagascar

ref:cabAPr134  

 

   2.96 cts. Cab. cat's eye Apatite oval

  9.6 x 7.1 mm. Sharp cat's eye not well centered.

Moderately included. Enhancement: none (N) 

stone PRICE

     USD 134.00    

ORIGIN: Madagascar

ref:catAPvo296  

Next page APATITE 1   APATITE 2 APATITE 3 GREEN APATITE CAB. GREEN APATITE

General Information   Apatite

Chemical Formula: Ca5(PO4)3(OH,F,Cl)
 Composition: Molecular Weight = 509.12 gm
   Calcium   39.36 %  Ca   55.07 % CaO
   Phosphorus 18.25 %  P    41.82 % P2O5
   Hydrogen    0.07 %  H     0.59 % H2O
   Chlorine    2.32 %  Cl    2.32 % Cl
   Oxygen    38.76 %  O
   Fluorine    1.24 %  F     1.24 % F
             ______        ______
             100.00 %      101.05 % = TOTAL OxIDE
Empirical Formula: Ca5(PO4)3(OH)0.3333F0.3333Cl0.3333
 IMA Status: Not IMA Approved
 Locality: Common world wide. 
 Name Origin: Named from the Greek apatao - "I am misleading."
 

Apatite Images

 

 

 

Images: Apatite crystal 26 grams.

                             
      Apatite on matrix 4 kg  Enlarge

Crystallography

 Axial Ratios: a:c = 1:0.73454
 Cell Dimensions: a = 9.38, c = 6.89, Z = 2; V = 525.00 Den(Calc)= 3.22
 Crystal System: HExAGONAL-DIPYRAMIDAL  H-M Symbol (6/m) Space Group: P63/m
 

Physical Properties

 Cleavage: [0001] Indistinct, [1010] Indistinct
 Color: white, yellow, green, red, or blue.
 Density: 3.16 - 3.22, Average = 3.19
 Diaphaniety: Transparent to translucent
 Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
 Habits: Colloform - Forming from a gel or colloidal mass., Massive - Granular - Common texture observed in granite and other igneous rock., Earthy - Dull, clay-like texture with no visible cr ystalline affinities, (e.g. howlite).
 Hardness: 5 - Apatite
 Luminescence: None.
 Luster: Vitreous (Glassy)
 Streak: white
 

Optical Properties

 Optical Data: Uniaxial (-), e=1.63, w=1.633, bire=0.0030.
 

Classification

 Dana Class: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  where (A)5 (xO4)3 Zq
  Dana Group
 
 Apatite * Ca5(PO4)3(OH,F,Cl) P63/m 6/m
 
 Fluorapatite Ca5(PO4)3F P63/m 6/m
 
 Chlorapatite Ca5(PO4)3Cl P21/a 2/m
 
Hydroxylapatite Ca5(PO4)3(OH) P63/m 6/m
 
 Carbonate-Fluorapatite Ca5(PO4,CO3)3F P63/m 6/m
 
 Carbonate-. Hydroxylapatite Ca5(PO4,CO3)3(OH) P63/m 6/m
 
  Belovite (Sr,Ce,Na,Ca)5(PO4)3(OH) P3 3
 
  Belovite-(LA)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P3- -3
 
 Strontium-apatite (Sr,Ca)5(PO4)3(F,OH) P63/m 6/m
 
 Fluorcapatite (Ca,Sr,Ce,Na)5(PO4)3F P63 6
 Strunz Class: Phosphates, Arsenates and Vanadates
   Unclassified Strunz Phosphates, Arsenates and Vanadates
   Apatite Group
 Next page Facet apatit    Facet apatit 2              Ask a question
 
 
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