Research & News
Yellow Fluid Inclusions in Transparent Sodalite
A rare transparent and near-colorless sodalite contains two-phase inclusions linking it to its ancient formation.
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Chrysoberyl Inclusions in Flux-Grown Ruby
Natural-looking chrysoberyl crystals appear in a flux-grown ruby with a high beryllium content but lacking heat treatment.
Calcareous Coral and Epoxy Composite
Meticulous testing of a bangle submitted to a Taiwan gemology lab proves it to be a composite of red calcareous coral and epoxy.
Bent Rutile in Rock Crystal Quartz
Normally straight and fine, rutile needles take an unexpected bend in the polished quartz disk that is their host.
Agate Inclusion in Quartz from Brazil
Agate appears as an interesting inclusion in a pair of faceted quartzes.