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

Inclusions of gilalite aggregates in rock crystal from Brazil

Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers

Structure in a healing fissure in topaz from Brazil

Agate from Anzi, Maroc

Two-phase inclusion in amethyst, Brazil

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

Inclusions of hematite in feldspar (sunstone), India

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