Explore courses Fall 2026 Easiest courses↗ Hardest courses↗
Find your next class 5 courses All departments Fall 2026 Recorded offerings All levels Any credits Course match Historical grades cover up to five years through the selected term. Grade sorting prioritizes courses with at least 100 letter grades.
Higher grades Large lectures
GEOSCI 331 explores the formation, collection, properties, and treatment of popular gemstones.
Offering recorded · Fall 2026
Students must manage numerous PDF lectures and create study aids like diagrams and spreadsheets. Exams are timed, 30-question tests that require linking multiple details from the lectures.[1, 2, 3] Sources
3 . 5 9 3.59 historical GPA · 2 , 3 4 5 2,345 grades
Spring 2022–Spring 2026 Highly rated instructor
GEOSCI 691 is a mentored individual research course for students completing a senior thesis.
Offering recorded · Fall 2026
No recorded grade history
Highly rated instructor
GEOSCI 699 is a directed study course allowing students to conduct independent research or study arranged with a faculty member.
Offering recorded · Fall 2026
4 . 0 0 4.00 historical GPA · 4 4 grades
Spring 2022–Spring 2022 · limited sample Highly rated instructor
GEOSCI 990 is a research course where students conduct supervised independent study projects.
Offering recorded · Fall 2026
No recorded grade history
Small lectures
Principles of Mineralogy covers mineral properties, crystallography, and geologic significance.
Offering recorded · Fall 2026
The course requires significant memorization of facts, and the textbook is considered very necessary for success.[1] Sources
3 . 4 0 3.40 historical GPA · 8 2 82 grades
Fall 2022–Fall 2025 · limited sample Looking for a professor? →