Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
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
Fire opal, Mexico
Fire opal, Mexico
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
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
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Dendrites in agate
Dendrites in agate
Partially etched diamond crystal
Partially etched diamond crystal
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania