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NEON APATITE                                                                                     Hardness 5
That looks prettier than the picture. The blue-green color of the gem is difficult to grasp with any imaging system.
Next page  »»  APATITE 2 ¦  APATITE 3 ¦  GREEN APATITE ¦  CAT'S EYE APATITE ¦  CAB. GREEN APATITE ¦
  2.38 cts. Apatite oval  single 

 9.2 x 7.1 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

USD 173.00 

ORIGIN: Madagascar

ref: APno 238 

 

   3.11 cts. Neon Apatite oval  single 

 10.3 x 9.2 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APno 311 

 

   Enlarge 3.17 cts. Apatite oval  single 

 9.7 x 7.5 mm.  ( s.u.g.f. cut )

 Eye clean. Enhancement: heated (H)

stone PRICE  

USD 231.00 

ORIGIN: Madagascar

ref: APno 317 

 

      Enlarge 2.60 cts. Neon blue Apatite oval  single 

 10.5 x 7.5 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APno 260 

 

   3.48 cts. Apatite oval  single 

 10.6 x 8.7 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

USD 254.00 

ORIGIN: Madagascar

ref: APno 348 

 

   4.01 cts. Apatite emerald cut  single 

 9.8 x 7.7 mm.

 Slightly included. Enhancement: heated (H)

stone PRICE  

USD 279.00 

ORIGIN: Madagascar

ref: APno 401 

 

   4.35 cts. Apatite emerald cut  single 

 9.4 x 8.4 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APno 435 

 

  4.18 cts. Neon Apatite emerald cut  single 

 5.2 x 4.3 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APne 418 

 

  2.50 cts. Apatite oval  single 

 10.8 x 7.3 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

USD 182.00 

ORIGIN: Madagascar

ref: APno250  

 

  2.66 cts. Apatite asymmetrical  single 

 13.1 x 9.8 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

USD 194.00 

ORIGIN: Madagascar

ref: APna266  

 

  2.69 cts. Apatite asymmetrical  single

 9.7 x 9.5 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

USD 195.00 

ORIGIN: Madagascar

ref: APna269  

 

  2.72 cts. Neon Apatite oval  single 

 10.1 x 8.1 mm. ( s.u.g.f. cut )

 Eye clean. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APno272  

 

  2.93 cts. Apatite emerald cut  single 

 11 x 7 mm.

 Slightly included. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APne293  

 

   1.36 cts. Apatite emerald cut  single 

 8. x 5.8 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APne 136 

 

      Enlarge 4.72 cts. Apatite lozenge single 

 13.4 x 7.2 mm.

 Slightly included. Enhancement: heated (H)

stone PRICE  

USD 330.00 

ORIGIN: Madagascar

ref: APnl 472 

 

   5.25 cts. Apatite  lozenge single 

 12.4 x 11.8 mm.

 Slightly included. Enhancement: heated (H)

stone PRICE  

USD 365.00 

ORIGIN: Madagascar

ref: APnl 525 

 

   3.34 cts. Apatite calf'shead cut  single 

 10.2 x 8.1 mm.

Slightly included. Enhancement: heated (H)

stone PRICE  

USD 233.00 

ORIGIN: Madagascar

ref: APnc 334 

 

   3.15 cts. Apatite rhomboid cut  single 

13.5 x 9 mm.

 Slightly included. Enhancement: heated (H)

stone PRICE  

USD 220.00 

ORIGIN: Madagascar

ref: APnr 315 

 

   2.21 cts. Neon Apatite emerald cut  single 

 7.9 x 7 mm.

 Eye clean. Enhancement: heated (H)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

ref: APne 221 

Next page  APATITE 2 ¦  APATITE 3 ¦  GREEN APATITE ¦  CAT'S EYE APATITE ¦ CAB. GREEN APATITE ¦ SMALL

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.

                             
        © Image by A. Darbellay     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
 " Single upper girdle facet " cut. (S.u.g.f. cut)                               Ask a question
 
 
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