2013 Photomicrography Competition

Inclusion in a cut gemstone: rutile crystals (titanium oxide) included in rock crystal (quartz)

Michael Fortunat Hügi

Affiliation
Swiss Gemmological Society
Bern, Switzerland
Technique
Brightfield, Fiber Optic Illumination
Magnification
40x

Convallaria sp. (lily of the valley) rhizome section

Dr. Guichuan Hou

Affiliation
Dewel Microscopy Facility
Boone, North Carolina, USA
Technique
Confocal
Magnification
40x

Guanidine hydrochloride (a chaotropic salt used to denature proteins)

Dr. Christopher Benjamin Jackson

Affiliation
IKELOS GmbH
Bern, Switzerland
Technique
Polarized Light
Magnification
200x