Triplite Inclusions in Quartz from Yaogangxian, China
Pinkish orange crystal inclusions in a faceted quartz are identified as the rare phosphate mineral triplite.
Interesting Metallic Platelets in a Brazilian Paraíba Tourmaline
Microscopic observation unveils the first known instance of skeletal metallic inclusions in Brazilian Paraíba tourmaline.
Night Sky in Yellow Sapphire
Fiber-optic light creates a night sky scene in a yellow sapphire from Madagascar.
Guest in Garnet: Metal Sulfide?
An intriguing metallic inclusion is observed in a faceted garnet.
Rainbow Mountain in Natural Diamond
An iridescent feather inclusion in natural diamond bears resemblance to Rainbow Mountain in Peru.
Patchy Yellow Trigon
Isolated nitrogen confined to the outer surface of a 0.98 ct diamond causes “yellow skin.”
An Iridescent “Insect Wing” in Diamond
A feather inclusion with iridescence caused by thin-film interference in diamond resembles an insect wing.
Internal World of Aquamarine from Xinjiang
Various inclusions are observed in a batch of aquamarine samples from Xinjiang, China.
Pink Sapphire with Graphite Inclusion
A hexagonal platelet of graphite is discovered in a pink sapphire from Sri Lanka.
Ancient Script-Like Serpentine in Brown Peridot
Examination of a brown peridot xenocryst reveals thread-like serpentine inclusions resembling ancient text.
Clinochlore and Muscovite in Quartz from Colorado
Bluish green and white spheres create a beautiful inclusion scene in quartz from Larimer County, Colorado.
An “Eye” on a Tridacninae Pearl
A Tridacninae pearl exhibits a flame structure resembling an eye.
Musical Diamond
A dark crystal and a stress cleavage crack resemble a quarter note in a diamond.
Quarterly Crystal: Geocronite in Fluorite
A tight crystal cluster of bright apple-green fluorite and opaque silvery gray geocronite was examined for Quarterly Crystal.
“Snail” in Diamond
While different types of inclusions often occur independently within diamond, it is quite rare to find more than one occurring simultaneously, let alone in contact with each other.