- Report Verification
- About GRS
Melted solid inclusions and "decrepitation" feathers of various Natural Fancy Sapphires from Madagascar due to treatment with beryllium at high temperatures. Transmitted and fiber optic illumination at 40-60x magnification in the microscope.
Other inclusion of rubies and sapphires of various origins (see detailed text by clicking on picture).
|Inclusions in Ruby from Namya (Burma, Myanmar)|
|Inclusions in Ruby from Mogok (Burma, Myanmar)|
|Inclusions in Ruby from Mong Hsu (Burma, Myanmar)|
|Inclusions in Ruby from Siam (Thailand)|
|Inclusions in Ruby from Vietnam|
|Inclusions in Ruby from Afghanistan|
|Synthetic Ruby Inclusions|
|Inclusions in Sapphires from Kashmir|
|Inclusions in Sapphires from Burma|
|Inclusions in Sapphires from Madagascar|
|Inclusions in Unheated Sapphires from Sri Lanka|
|Inclusions in Heated Sapphires from Sri Lanka|
|Inclusions in Spinel|
Visual identification guide for new treatments applied to corundum. The following pictures were taken using a plastic immersion cell above a portable OSRAM Dulux Mini portable lamp, using Baby Oil for immersion (10x loupe magnification sufficient). The immersion cell can be any simple plastic box. Warning: Do not use methylene iodine with this set up. Stone sizes ranging from 1 to 7 carats. Details on new treatment of sapphires check our upcoming Journal #3, 2004.
|Inclusions in Beryllium-Treated Blue Sapphires|