Bubbles and swirls in moldavite (natural glass)
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Partially etched diamond crystal
Agate from Anzi, Maroc
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Stress fissure («sun spangle») in baltic amber
Dendrites in agate

Zone interne

Cette zone est disponible uniquement aux membres.