- , | , 2014 '' | ( ) | , , 2015 | , |

- 8.02 ct, , , 20.09 x 10.84 x 5.83 mm 5.62 ct, , , 11.87 x 9.46 x 5.90 mm | - '' | | EDXRF , , - () - |

, '', | , | - , - | , - - | , () | - - |

(Project of the Gem & Jewellery Export Promotion Council)

GEM TESTING LABORATORY

L A B I N F O R M A T I O N C I R C U L A R

V O L U M E 7 2 | J U L Y 2 0 1 5

2. - () () |

3. | |1 GEM TESTING LABORATORY

~ 1605 cm-1 -

1. - |

http://www.gjepc.org/

6. 45.25 ct , | |

' ' ' ' , , - () | , | , , , | , , | 16.51 ct , 'haversian canal' , | EDXRF Si, P, Ca, Fe Sr | RI SG |

( ) | , , | , , , | - | , , |

, , | , | | - , - | , |

, - | |

4. 16.51 ct ' ' |

5. ' ' 'haversian canal' |

L A B I N F O R M A T I O N C I R C U L A R

|2 GEM TESTING LABORATORY

, , | 22.10 ct , (18.81 x 16.17 x 12.13 mm), , 10x | |

'-' , | - , - - | '-' , | , e-ray , o-ray | ; - , o-ray e-ray |

, o-ray e-ray , 427 nm , |

'' 12.35 ct (12.01 x 11.38 x 8.19 mm) | RI, SG ; () | '-' , ; ( ) | |

'' , | UV-Vis-NIR ~ 450 650 nm ~ 362 691 nm | e-ray o-ray 691 nm | Co

3+ |

, , '' | - '' |

7. , , 22.10 ct |

9. 12.35 ct , '' |

10. ( ) '-' ( ) |

L A B I N F O R M A T I O N C I R C U L A R

8. ,

e-ray o-ray |

|3 GEM TESTING LABORATORY

- (, , ) (, , , , , ) | , , RI SG | '' | '' | , '' , | ; | EDXRF , | , , RI SG | |

, | - | , 253.56 , - | , , (CaSiO3) | , , , |

12. '' ( ) , ( ) |

13. 253.56

14. - , |

L A B I N F O R M A T I O N C I R C U L A R

11.

Written and Edited by: Gagan Choudhary (Deputy Director) With Hindi Translations by: Meenu Brijesh Vyas (Asst. Director)

Contact for further details: Technical Matters: Sandeep Vijay, Vinayndar Sikand (Executives)

Front Desk: Radhamani Amma (Sr. Executive); Kailash Chand Daurata (Jr. Executive)

www.gtljaipur.info | gtl@gjepcindia.com | /gtljaipur | +91-141-2568221, 2573565

R A J A S T H A N C H A M B E R B H A W A N, 2ND F L O O R, M. I. R O A D, J A I P U R - 3 0 2 0 0 3, I N D I A

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