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

«Red fox agate» from Patagonia, Argentina

Midge included in amber from the Baltic coast, polarised light

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

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

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

Inclusion of apatite in ruby from Tanzania

Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia

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