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

Twin-crystal of chrysoberyl

Inclusions of gilalite aggregates in rock crystal from Brazil

Midge included in amber from the Baltic coast, polarised light

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

Bubbles and swirls in moldavite (natural glass)

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

Spinel crystal in dolomite marble, Burma

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