Bromellite
Charoite Inclusions in a Quartz-Feldspar Rock
Altered Vs. Natural Inclusions in Fancy-Color Diamonds
Diamond with “Compact Disc” Inclusion
Hemimorphite, a Rarely Encountered Gem Material
Bulk Diffusion or Lattice Diffusion Treated Sapphire
Bulk Diffusion–Treated Sapphire with Synthetic Overgrowth
Synthetic Sapphire Treated by “Traditional” Bulk Diffusion with Transition Elements
Sapphire with Surface Evidence of Heat Treatment
To view the full section, download the PDF above.
Charoite Inclusions in a Quartz-Feldspar Rock
Altered Vs. Natural Inclusions in Fancy-Color Diamonds
Diamond with “Compact Disc” Inclusion
Hemimorphite, a Rarely Encountered Gem Material
Bulk Diffusion or Lattice Diffusion Treated Sapphire
Bulk Diffusion–Treated Sapphire with Synthetic Overgrowth
Synthetic Sapphire Treated by “Traditional” Bulk Diffusion with Transition Elements
Sapphire with Surface Evidence of Heat Treatment
To view the full section, download the PDF above.
Bromellite
Charoite Inclusions in a Quartz-Feldspar Rock
Altered Vs. Natural Inclusions in Fancy-Color Diamonds
Diamond with “Compact Disc” Inclusion
Hemimorphite, a Rarely Encountered Gem Material
Bulk Diffusion or Lattice Diffusion Treated Sapphire
Bulk Diffusion–Treated Sapphire with Synthetic Overgrowth
Synthetic Sapphire Treated by “Traditional” Bulk Diffusion with Transition Elements
Sapphire with Surface Evidence of Heat Treatment
To view the full section, download the PDF above.
Charoite Inclusions in a Quartz-Feldspar Rock
Altered Vs. Natural Inclusions in Fancy-Color Diamonds
Diamond with “Compact Disc” Inclusion
Hemimorphite, a Rarely Encountered Gem Material
Bulk Diffusion or Lattice Diffusion Treated Sapphire
Bulk Diffusion–Treated Sapphire with Synthetic Overgrowth
Synthetic Sapphire Treated by “Traditional” Bulk Diffusion with Transition Elements
Sapphire with Surface Evidence of Heat Treatment
To view the full section, download the PDF above.



