Institute of Gemmological Science

Rare gem identification two day workshop.

💎💎BE A DYNAMIC GEM PROFESSIONAL💎💎
APPLIED GEMMOLOGY FAST TRACK COURSE
@ OPASL (Organization of Professional Associations of Sri Lanka)
275, 75 Prof Stanley Wijesundera Mw,
Colombo 07
📌19th Saturday, February 2022📌
⏱ 9.00 am to 1.00 pm ⏱
Call for More information ☎️📞0776229019
Conducted by Guthila Wijesuriya MSc FGA MGA

Course Content :
💎What natural gems are and their nature and origin
💎The formation and occurrence of inorganic gem materials
💎The purpose of using gemstones; Geology of Sri Lanka
💎Crystal Units of the island Crystallization of gem minerals
💎The origin of gems in Sri Lanka
💎Main gem deposits of the island
💎The drainage pattern of the island
💎Weathering of Gem bearing rocks
💎Sedimentary gem deposits
💎Minerals
💎Gem minerals
💎Ornamental gem materials
💎Using the 10x Lens or Loupe
💎Gem mineral crystal forms and habit
💎Crystal surface features
💎Gem mineral categories
💎Cause of colour in gems
💎Mineral hardness, cleavage, fracture and parting
💎Idiochromatic and allochromatic gems
💎Pleochroism (dichroism and trichroism)
💎Light refraction through gems (single & double refraction)
💎Refractive index measurement using the refractometer
💎Using the spectroscope to detect absorption spectra
💎Uses of the UV light source and the Chelsea colour filter
💎Using the polariscope to test specific gems
💎Assessment and determination of specific gravity of gems
💎Study of internal features of gems under the microscope.

Institute of Gemmological Science I'm Guthila Wijesuriya

Businessman dealing in gems, gem embedded souvenirs and jewelry, lecturing

Lecturing at Uwa Wellassa University on Gem Fashioning.

IGS one on one teaching.

A gem said to be found on a heap of sand, identified as a flame fusion synthetic.

Immersion microscopy.

අද දින පැවැත්වීමට නියමිත සම්මණ්ත්‍රණයට සම්බන්ධ වීමට පහත Zoom link භාවිතා කරන්න

Guthila Wijesuriya is inviting you to a scheduled Zoom meeting.

Topic: Visual Identification of Ruby and Sapphire
Time: Dec 12, 2021 05:00 PM Colombo

Join Zoom Meeting
https://us02web.zoom.us/j/88956776125?pwd=UFhYRzFhd1NNdlBGVlFabDBQcGpydz09

Meeting ID: 889 5677 6125
Passcode: 214595
One tap mobile
+16699009128,,88956776125 #,,,,*214595 # US (San Jose)
+12532158782,,88956776125 #,,,,*214595 # US (Tacoma)

Dial by your location
+1 669 900 9128 US (San Jose)
+1 253 215 8782 US (Tacoma)
+1 301 715 8592 US (Washington DC)
+1 312 626 6799 US (Chicago)
+1 346 248 7799 US (Houston)
+1 646 558 8656 US (New York)
Meeting ID: 889 5677 6125
Passcode: 214595
Find your local number: https://us02web.zoom.us/u/kcnOFisPYZ

Video Conferencing, Cloud Phone, Webinars, Chat, Virtual Events | Zoom Zoom's secure, reliable video platform powers all of your communication needs, including meetings, chat, phone, webinars, and online events.

One on one in residence Industrial Training.

Applied Gemmology Practical Training.