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It has two cleavage planes

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Ardella Ernser

Lvl 13
2y ago
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13y ago

Cleavage is the way crystalline materials (minerals) split along crystalline structural planes, or areas of weakness.

It may help determine the atomic or molecular structure within the crystal.

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12y ago

Break in certain patterns. For instance mica and slate cleave very strongly in 1 direction or in sheets.

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13y ago

"Cleavage," when describing a rock, means that the rock will break apart in layers. Example: http://www.geologyclass.org/Metamorphism%20Concepts_files/image008.jpg

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11y ago

It does not have a cleavage, which is a characteristic of metamorphosed sedimentary rock, but it often has large-scale jointing created by strains as it solidifies and cools.

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Q: What does cleavage mean on a rock?
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