Under the Microscope

Gems Inclusion Library

Every natural gemstone carries a fingerprint of the earth it formed in. Browse inclusions we have photographed and documented, organised by gem type and origin.

1 inclusion

TopazNigeria

A columbite crystal penetrates an octahedral fluorite crystal within topaz from Nigeria, revealing a striking association of three minerals. Photographed by Muhammad Ayub with a field of view of 5.5 mm, this image won second place in the Italian Gemological Review’s inaugural photography competition, “The Soul of Precious Stones: From Earth to Light” (2025). Link: https://www.rivistaitalianadigemmologia.com/en/2026/03/06/the-soul-of-precious-stones-from-earth-to-light-the-winners-of-the-photo-contest-promoted-by-igr/