Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Partially etched diamond crystal
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Twin-crystal of chrysoberyl
Fire opal, Mexico
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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