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This has been answered before but there was no explanation given for the curve. Materials that do not have fracture planes such as glass and obsidian (a natural glass-like mineral) do not follow any particular structural arrangement when fracturing. The curve results from the distribution of stresses radiating from the fracture start point. The fracture pattern is called conchoidal.

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What type of fracture breaks along smooth curved surfaces?

A fracture that breaks along smooth, curved surfaces is called a conchoidal fracture. This type of fracture is commonly observed in materials like glass and minerals with a crystalline structure.


When a mineral breaks without any regular pattern what is the break called?

The fracture can be described (depending on the mineral) as:-Conchoidal fractureSubconchoidal fractureEarthy fractureHackly fractureJagged fractureSplintery fractureUneven fracture


Does obsidian exhibits conchoidal fracture?

Yes, obsidian exhibits conchoidal fracture, which is a smooth, curved breakage pattern characterized by concentric ridges. This is due to its lack of internal crystal structure, which causes it to break in a unique, curved manner.


The tendency of the mineral to break along the curved surface is called?

This is known as conchoidal fracture.


When a pyrite crystal is hit with a hammer it breaks into pieces with smoothly curved edges What is the new type of rock?

The type of rock formed from a pyrite crystal breaking into pieces with smoothly curved edges is conchoidal fracture, which is a type of fracture commonly seen in minerals like quartz and obsidian. This fracture pattern results in smooth, curved surfaces resembling the shape of a clamshell.


When flint and opals break they have a unique arclike pattern?

This unique arclike pattern that forms when flint and opals break is called a concoidal fracture. It is characterized by smooth, curved surfaces with concentric ridges radiating from the point of impact, resembling the shape of an arc or horseshoe. This fracture pattern is distinct and useful in identifying these minerals.


What type of fracture does class and quartz have?

The mineral quartz show the property of fracture. it breaks along a curved surface. this kind of fracture is called conchoidal fracture. In math the quartz is x3.


What is a conchoidial fracture?

a conchoidial fracture is a "shell-like" fracture with a smooth curved surface


What is the tendency of some minerals to break along curved surfaces called?

This is known as conchoidal fracture.


What is the manner in which a mineral breaks along curved or irregular surfaces?

the manner in which a mineral breaks along either curved or irregular surfaces is called a FRACTURE.


What is a manner in which a mineral breaks along curved or irregular surfaces?

the manner in which a mineral breaks along either curved or irregular surfaces is called a FRACTURE.


Does Amethyst minerals have fracture?

Yes, amethyst minerals can exhibit a conchoidal fracture, which is characterized by smoothly curved breakage surfaces similar to glass. This fracture pattern is a common trait in amethyst, especially when it is subjected to stress or impact.