International Gemology Association

Address : 10, Adi Banstalla, Barabazar

Landmark : Near Marwari Girls School

City : Kolkata-700007

Area : Barabazar

Phone No. : XXXXXXXXXX

Mobile No. : XXXXXXXXXX

Website : igaworld.com.nu

Institute ID : TK1063

Diploma in Gemology(Navratan Identification) (DIG) by International Gemology Association

Last Updated on : 03 Apr 2017 11:34AM

Gemology - Historical background
Origin, Mining, Occurrence, Major gemstones deposit in the world.
Crystallography, Physical, chemical, optical properties, optical effects, inclusions & characteristics
Different Instruments (Refractometre, Dichroscope, Polaris cope, Microscope) and its principles, constructions, limitations
Sapphire – Occurrence, properties & simulants along with their identification technique
Beryl - Occurrence, properties & simulants along with their identification technique
Diamond- Occurrence, properties & simulants including Moissanite & CZ's along with their identification techniques
Garnet Group - Occurrence, properties & simulants along with their identification technique
Pearl & coral - Occurrence, properties & simulants along with their identification technique
Cat's eye - Occurrence, properties & simulants along with their identification technique
Quartz group - Occurrence, properties & simulants along with their identification technique.
Synthetic Gemstones, treatment of gemstones & methods of detection
Use of Gemstones in Astrology.

Gemstones