Inclusion of apatite in ruby from Tanzania
Stress fissure («sun spangle») in baltic amber
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of hematite in aquamarine, Tanzania
Two-Phase inclusions and rutile needles 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

Attualita’

Conferenza nazionale: 11. - 13. 6. 2023, Seerose, Meisterschanden

(Foto: ©Seerose Resort & Spa)