Two-phase inclusions in sapphire, Sri Lanka
Twin-crystal of chrysoberyl
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of hematite in feldspar (sunstone), India
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Structure in a healing fissure in topaz from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil

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