Two-phase inclusion in amethyst, Brazil

Structure in a healing fissure in topaz from Brazil

Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light

Fluid inclusions in quartz with bituminous daughter minerals, China

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

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

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

Inclusions of hematite in feldspar (sunstone), India

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