Structure in a healing fissure in topaz from Brazil
Agate from Reichweiler, Germany
Fire opal, Mexico
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
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
Two-phase inclusions in sapphire, Sri Lanka

Note legali

Promotore di questo sito web:

Società Gemmologica Svizzera
Schmiedenplatz 5
Casella postale 258
3000 Berna 7

T. +41 31 329 20 72
F. +41 31 329 20 75
E. nfgmmlgch

Web development: Gecko Media