«Red fox agate» from Patagonia, Argentina
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Two-phase inclusion in amethyst, Brazil
Inclusions of hematite in feldspar (sunstone), India
Partially etched diamond crystal
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Dendrites in agate
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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