Two-Phase inclusions and rutile needles in rock crystal from Brazil

Agate from Reichweiler, Germany

Fluid inclusions in quartz with bituminous daughter minerals, China

Inclusions of hematite in feldspar (sunstone), India

Inclusions of gilalite aggregates in rock crystal from Brazil

Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

Colour zoning in ruby from Mong-Shu, Burma

Agate from Anzi, Maroc

Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers