Fire opal, Mexico
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Twin-crystal of chrysoberyl
Agate from Anzi, Maroc
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
«Red fox agate» from Patagonia, Argentina
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

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Seehotel Wilerbad, Wilen am Sarnersee