Two-phase inclusions in tourmaline from Namibia
Structure in a healing fissure in topaz from Brazil
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Dendrites in agate
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusion of apatite in ruby from Tanzania
Two-Phase inclusions and rutile needles in rock crystal from Brazil

Kontakt

Schweizerische Gemmologische Gesellschaft
Sekretariat: Willy Bieri

c/o Willy Bieri, Feldgass 34, 6170 Schüpfheim

T. +41 78 696 19 81
E. nfgmmlgch