Snowflake Inclusions in Mong Hsu Ruby
A holiday snowflake scene in a treated Mong Hsu ruby surprises and delights a gemologist in the Bangkok lab.
Elongated Rutile Crystal in Blue Sapphire from Afghanistan
An orange rutile crystal unusual for its elongated shape appears in a faceted 4.24 ct blue sapphire from Afghanistan.
Metal Sulfide Crystal in a Sapphire
The combination of an iron sulfide crystal and a fingerprint enlivens the inclusion scene in a faceted sapphire from Sri Lanka.
Unmasking Emerald Filler
A long-wave ultraviolet flashlight illuminates chalky blue fluorescence in a fracture-filled emerald.
Quarterly Crystal: Garnets in Aquamarine
Orange spessartine garnet inclusions are featured in this aquamarine recovered from the Shigar Valley in Pakistan.
Blue Apatite in Pyrope-Spessartine Garnet
A garnet is cut and faceted to highlight its unusual inclusion.
Uncommon Inclusion of Lazurite in Ruby from Mogok, Myanmar
A parcel of small rubies was received for identification at the S Gemmological Institute (SGI) gem lab in Yangon, Myanmar.
Inclusions in Kenyan Rubies from the John Saul Mine
Very similar inclusion scenes featuring needles and thin films make rubies from Kenya hard to distinguish from Mogok rubies.
Zircon in Jadeite Jade
A doubly terminated zircon inclusion survives multiple treatments in a translucent bangle of jadeite jade.