Twin-crystal of chrysoberyl
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Structure in a healing fissure in topaz from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusions of hematite in feldspar (sunstone), India
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Agate from Anzi, Maroc
Bubbles and swirls in moldavite (natural glass)
Spinel crystal in dolomite marble, Burma
Midge included in amber from the Baltic coast, polarised light
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