Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Dumortierite in rock crystal, Brazil, polarised light
Two-phase inclusions in tourmaline from Namibia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of hematite in feldspar (sunstone), India
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

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