Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Dendrites in agate
Dendrites in agate
Partially etched diamond crystal
Partially etched diamond crystal
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers