Twin-crystal of chrysoberyl
Structure in a healing fissure in topaz from Brazil
Fire opal, Mexico
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Agate from Anzi, Maroc

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Seehotel Wilerbad, Wilen am Sarnersee

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Seehotel Wilerbad, Wilen am Sarnersee