| Fracture: Tenacity is the resistance that a mineral offers to breaking, crushing, bending, cutting, or other acts of destruction. Fracture is how the mineral breaks once the tenacious limit has been exceeded.
Fracture Type Fracture Description
Brittle Generally displayed by glasses and most non-metallic minerals
Conchoidal Fractures developed in brittle materials characterized by smoothly curving surfaces
Elastic Fragments which spring back after bending
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