Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Partially etched diamond crystal
Two-phase inclusions in tourmaline from Namibia
Inclusions of hematite in aquamarine, Tanzania
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of gilalite aggregates in rock crystal from Brazil
Twin-crystal of chrysoberyl
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