1986 Photomicrography Competition

Australian yowah nut opal concentration

John I. Koivula

Affiliation
Gemological Institute of America
Carlsbad, California, USA
Technique
Brightfield
Magnification
15x

Anthocyanin crystals extracted from flower pigment of Begonia x hiemalis ’Rieger’

Arthur Strange

Affiliation
BIOARTS
Scarborough, Ontario, Canada
Technique
Polarized Light
Magnification
50x

Spatiphyllum wallii—anther with pollen

Jesus Ma Bermejo Garcia

Affiliation
Inalsa
Vitoria, Spain
Technique
Darkfield
Magnification
100x