1997 Photomicrography Competition

Vincristine (drug used in cancer chemotherapy) mixed with ascorbic acid

Lars Bech

Location
Naarden, The Netherlands
Technique
Polarized Light
Magnification
70x

Thin section through an alkali-gabbro (Essexite) showing large sector zoned titan-augite crystal together olivine and plagioclase.

Kenneth Gardner

Location
Lowestoft, Suffolk, United Kingdom
Technique
Crossed Polarized Light
Magnification
2x