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
Partially etched diamond crystal
Partially etched diamond crystal
Dendrites in agate
Dendrites in agate
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil