
Quarterly Crystal: Ferrocolumbite in Topaz
“Star cruisers” formed of ferrocolumbite seem to fly in a large topaz crystal from the Shigar Valley in Pakistan.

Unknown Dendritic Inclusions in Sapphire
Dendritic inclusions in a pinkish-purple sapphire are revealed with fiber-optic lighting.

Interesting “Egg” in Rock Crystal Quartz with Rutile
Epigenetic residue in rock crystal quartz creates a novelty inclusion with the appearance of a fried egg.

Blue Inclusion in Rock Crystal Quartz

Man-Made “Inclusion”?
Testing reveals the source of a fiber trapped in an emerald during the enhancement process.

Tree in Rock Crystal Quartz
An unusual find of orangy red staurolite crystals appear with more expected inclusions in a ruby from Mozambique.

Spinel on Sapphire
Eye-catching purple spinel crystals polka-dot the surface of a tall pale blue sapphire, a rare confluence of these two gem materials.
