Question:
The mineral that shows perfect cleavage in one direction is
The mineral that shows perfect cleavage in one direction is
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Mica shows perfect basal cleavage and can be separated into thin sheets.
Updated On: May 7, 2026
- Quartz
- Mica
- Feldspar
- Pyrite
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The Correct Option is B
Solution and Explanation
Cleavage is the tendency of a mineral to break along certain definite planes.
Some minerals show cleavage in one direction, while some show cleavage in two or more directions.
Mica is well known for its perfect cleavage in one direction.
Because of this property, mica can be split into very thin sheets.
These thin sheets are flexible and shiny.
Quartz generally does not show cleavage.
Feldspar shows cleavage in two directions.
Pyrite has a different crystal habit and does not show perfect cleavage like mica.
Therefore, the mineral showing perfect cleavage in one direction is:
\[
\text{Mica}.
\]
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