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Phyllite

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About PhylliteHide

A fine to medium-grained metamorphic rock characterised by a lustrous sheen and a well-developed schistosity resulting from the parallel arrangement of phyllosilicates [glossary item missing].

A metamorphic rock, intermediate in grade between slate and mica schist. Minute crystals of sericite/muscovite and chlorite impart a silky sheen to the surfaces of cleavage (or schistosity). Phyllites commonly exhibit corrugated/crenulated [glossary item missing] cleavage surfaces.

Compare with: phyllonite


Also sometimes used by some French authors for the scaly phyllosilicate minerals, such as micas, chlorites, clays, and vermiculites. (AGI)


Classification of PhylliteHide

Sub-divisions of PhylliteHide

Pronounciation of PhylliteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Other Language Names for PhylliteHide

French:Phyllades

References for PhylliteHide

Reference List:
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Fettes (et al.), Metamorphic Rocks - A Classification and Glossary of Terms (2007) Cambridge University Press

Internet Links for PhylliteHide

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