Bryn Mawr College - Exploring Florence Bascom's Mineral Collection

Established by Florence Bascom, founder of the Geology Department, from specimens she collected herself, the Bryn Mawr College Rock & Mineral Collection has grown through significant donations by Theodore D. Rand in 1903 and George Vaux, Jr. in 1958, among others. The three core collections (Bascom, Rand, and Vaux) comprise specimens that were collected in the late 1800s to early 1900s, with the remainder representing specimens collected from approximately 1970-1990. The collection spans more than 90 countries, all 50 U.S. states, and more than 1,000 individual mineral species. For context, more than 90% of Earth’s crust is composed of just 50 mineral species; the Bryn Mawr Collection houses an astonishing diversity of mineral specimens.
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