Structure in a healing fissure in topaz from Brazil
Stress fissure («sun spangle») in baltic amber
Midge included in amber from the Baltic coast, polarised light
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Inclusions of gilalite aggregates in rock crystal from Brazil
Two-phase inclusions in sapphire, Sri Lanka
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Fire opal, Mexico

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