Phyllite Facts
Phyllite Facts
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| Interesting Phyllite Facts: |
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| Phyllite is associated with regional metamorphism due to mountain building. It is commonly found in the Dalradian Metasediments of northwest Arran. |
| It is primarily composed of quartz, sericite, mica, and chlorite. |
| Continued metamorphism converts clay minerals into large grains of mica, along with quartz and feldspar. At that point, phyllite becomes schist. |
| The word phyllite comes from the Greek word phyllon meaning "leaf". |
| The parent rocks for phyllite is shale or pelite, or slate and are not usually visible with the naked eye. |
| Phyllite is often found as black to gray, or light greenish gray in color. It has a crinkled or wavy appearance as its foliation. |
| Phyllite is a durable and soft rock. |
| Phyllite may be used as decorative aggregates, floor tiles, and other interior home decorations or used as exterior building or facing stone, and garden decorations. |
| Other uses may include cemetery markers, commemorative tablets, creative artwork, and writing slates. |
| It is scaled between 1-2 on the Mohs Hardness scale and has a specific gravity or 2.72 - 2.73. |
| Phyllite has a resistance to heat, pressure, and water. |
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Related Links: Facts Rocks Facts Animals Facts Metamorphic Rock Examples Slate Facts Schist Rock Facts |