Phyllite (/ ˈfɪlaɪt / FIL-yte) is a type of foliated metamorphic rock formed from slate that is further metamorphosed so that very fine grained white mica achieves a preferred orientation. [1]

Phyllite is a foliated metamorphic rock that has been subjected to low levels of heat, pressure and chemical activity. It is composed mainly of flake-shaped mica minerals in parallel alignment. …

phyllite, fine-grained metamorphic rock formed by the reconstitution of fine-grained, parent sedimentary rocks, such as mudstones or shales. Phyllite has a marked fissility (a tendency to …

Apr 13, 2019 · Phyllite is a foliated metamorphic rock that has been low pressure and heat. Phyllite formation from slate to metamorphosed so that very fine grained mica.

Nov 7, 2025 · Phyllite is a metamorphic rock, distinguished by a unique, silky luster. Its name is derived from the Greek word phyllon, which translates to “leaf,” referencing the rock’s …

Phyllite is known for several significant and nuanced characteristics, particularly its color variations, texture, and luster. Each of these features not only distinguishes phyllite from other …

A phyllite is a fine-grained, foliated metamorphic rock with a strong fissility. Its primary feature is that foliation planes show a lustrous sheen, caused by the presence of oriented phyllosilicates …

Phyllite is a fine-grained metamorphic rock that typically exhibits a distinct sheen, making it visually appealing. Its composition largely consists of quartz and mica minerals, mainly biotite …

Phyllite is a fine-grained foliated metamorphic rock primarily made of quartz, chlorite, and mica minerals like muscovite and sericite. Known for its characteristic silky sheen, it often appears …

Phyllite is metamorphosed shale. It is a foliated metamorphic rock, often with a silky sheen due to the presence of tiny mica crystals. The cleavage surface of phyllite is not flat like slate, but is …