1982 Photomicrography Competition

Calcium sulfate crystals in matrix of small calcium magnesium carbonate (dolomite) crystals in 100 million year old rock

Vijai Shukla

Affiliation
Texaco, Inc.
Bellaire, Texas, USA
Technique
Polarized Light
Magnification
20x

Decalcified tooth of an owl monkey, embedded in paraffin and stained with a mallory trichrome

Louis Savas

Affiliation
St. Vincent Hospital
Department of Pathology
Worcester, Massachusetts, USA
Technique
Brightfield
Magnification
25x