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Glossary · Minerals

Cleavage

The tendency of a mineral to break along flat planes of weak bonding, described by the number of directions and their quality: mica one perfect, calcite three (rhombohedral), fluorite four (octahedral), halite three at right angles (cubic).

The tendency of a mineral to break along flat planes of weak bonding, described by the number of directions and their quality: mica one perfect, calcite three (rhombohedral), fluorite four (octahedral), halite three at right angles (cubic).

Sources

Cite this article

Stratum Strata. "Cleavage" (Glossary). Stratum Strata pack 2026.09, as of 2026-09-16. https://stratum.black/strata/glossary/cleavage. Accessed 2026-09-21.

BibTeX · CSL-JSON

@misc{stratum-cleavage,
  title        = {Cleavage},
  author       = {{Stratum Strata}},
  howpublished = {\url{https://stratum.black/strata/glossary/cleavage}},
  year         = {2026},
  note         = {Glossary article, Stratum Strata pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-21.}
}

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