Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of hematite in feldspar (sunstone), India
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Structure in a healing fissure in topaz from Brazil
Two-phase inclusions in sapphire, Sri Lanka
Dendrites in agate
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

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