Bubbles and swirls in moldavite (natural glass)
Fluid inclusions in quartz with bituminous daughter minerals, China
Midge included in amber from the Baltic coast, polarised light
Fire opal, Mexico
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Dendrites in agate

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