Conchoidal fracture

$Obsidian gives conchoidal fractures$

$Conchoidal fracture in glass$

Conchoidal fracture describes the way that brittle materials break or fracture when they do not follow any natural planes of separation. Materials that break in this way include quartz, flint, quartzite, jasper and other fine-grained or amorphous materials with a composition of pure silica, such as obsidian and window glass.

单词	Conchoidal fracture
释义	Conchoidal fracture 英语百科 Conchoidal fracture $Obsidian gives conchoidal fractures$ $Conchoidal fracture in glass$ Conchoidal fracture describes the way that brittle materials break or fracture when they do not follow any natural planes of separation. Materials that break in this way include quartz, flint, quartzite, jasper and other fine-grained or amorphous materials with a composition of pure silica, such as obsidian and window glass.
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