Home Mineralia Specimens   Sitio en Español English Site

Fracture

Fracture is a kind of break, can appear in all minerals but is more common in a minerals with poor or no cleavage, so the crack cannot find weak layers to follow and a distinct fracture is produced, there are several types of fractures:

 

Conchoidal
Conchoidal Fracture on TectiteLuis Lyons photo

Subconchoidal

Subconchoidal Fracture on AragoniteLuis Lyons photo

Uneven

Luis Lyons photo

Jagged

Jagged Fracture on CopperLuis Lyons photo

Splintery

ApatiteLuis Lyons photo

Earthy

Earthy Fracture on LimoniteLuis Lyons photo