Conchoidal fracture

Title

Conchoidal fracture

Subject

When a brittle material lacking cleavage (plane of weakness) fractures, it breaks into curved fragments. This is conchoidal fracture. Flint, quartz and glass display conchoidal fracture.

Description

Have a look at the rhyolite glass (L113), the flint nodule (L370), and quartz (M411) in the 1A Reference Series.

Collection

Glossary

Citation

“Conchoidal fracture,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/182.