Colour zoning in ruby from Mong-Shu, Burma
Inclusions of hematite in feldspar (sunstone), India
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Partially etched diamond crystal
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusions of hematite in aquamarine, Tanzania
Agate from Reichweiler, Germany
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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