Agate from Anzi, Maroc
Inclusion of apatite in ruby from Tanzania
Two-phase inclusions in tourmaline from Namibia
Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Twin-crystal of chrysoberyl
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Structure in a healing fissure in topaz from Brazil

Impressum

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