1992 Photomicrography Competition
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19th Place
Inclusions of rutile growing from a hematite core in Brazilian quartz
John I. Koivula
- Affiliation
- Gemological Institute of America
Carlsbad, California, USA
- Technique
- Darkfield
- Magnifaction
- 14
19th Place
Inclusions of rutile growing from a hematite core in Brazilian quartz