Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Two-phase inclusions in tourmaline from Namibia
Structure in a healing fissure in topaz from Brazil
Agate from Anzi, Maroc
Inclusions of hematite in feldspar (sunstone), India
Dumortierite in rock crystal, Brazil, polarised light
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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