Two-phase inclusions in tourmaline from Namibia
«Red fox agate» from Patagonia, Argentina
Agate from Reichweiler, Germany
Inclusions of hematite in feldspar (sunstone), India
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Dumortierite in rock crystal, Brazil, polarised light

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