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

Note legali

Promotore di questo sito web:

Società Gemmologica Svizzera
c/o BDO SA
Hodlerstrasse 5
3001 Bern

E. nfgmmlgch

Web development: Gecko Media