Transparent emerald, the green variety of beryl, on calcite matrix

Earth Materials I
GEOL.3070

 

Earth Materials I Laboratory
GEOL.3090L

Niocalite (blue) in sovite (calcite + apatite). Oka carbonatite complex. Crossed-polars. Width = 5.4 mm

Course Home Syllabus Schedule Supplemental Materials Links

 

Professor: Nelson Eby
Teaching Assistant: Clara Cogswell