1983 Photomicrography Competition

Amber polished to view dendritic air bubbles trapped between sequential flowlayers

John I. Koivula

Affiliation
Gemological Institute of America
Carlsbad, California, USA
Technique
Brightfield
Magnification
40x

Fancy tailed guppies eggs attached to yolk sac

Oscar M. Alvarez

Affiliation
Cornell University Medical College
New York, New York, USA
Technique
Phase Contrast
Magnification
100x

Citric acid dissolving in alcohol

Christian Gautier

Location
Le Mans, France
Technique
Polarized Light
Magnification
80x