conchoidal fracture

mineralogy

Learn about this topic in these articles:

In mineral: Cleavage and fracture
The term conchoidal is used to describe fracture with smooth, curved surfaces that resemble the interior of a seashell; it is commonly observed in quartz and glass. Splintery fracture is breakage into elongated fragments like splinters of wood, while hackly fracture is breakage along jagged surfaces.
Read More