A Visit to Clarity Diamond’s CVD Facility
An in-depth look at Clarity Diamond’s CVD facility in Austin, Texas.
A Large Multicolored Natural Blister Pearl
A large baroque-shaped blister pearl with a unique multicolored appearance is examined in the Mumbai laboratory.
Unique Moiré-Pattern Metallic Inclusion in Paraíba Tourmaline
An intriguing inclusion scene is analyzed in a Paraíba tourmaline from Brazil.
Fireworks in Ruby
An unheated purplish red ruby cabochon displays a white double-star phenomenon.
Pyritic Inclusions in Oregon Sunstone
Examination of an Oregon sunstone sample reveals pyritic and copper inclusions.