Agate from Reichweiler, Germany
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Twin-crystal of chrysoberyl
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Bubbles and swirls in moldavite (natural glass)
Partially etched diamond crystal
Dendrites in agate

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