Two-Phase inclusions and rutile needles in rock crystal from Brazil

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

Inclusions of hematite in aquamarine, Tanzania

Structure in a healing fissure in topaz from Brazil

Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

Colour zoning in ruby from Mong-Shu, Burma

«Red fox agate» from Patagonia, Argentina

Two-phase inclusions in sapphire, Sri Lanka