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PHYLLITE #2   (detail)
Phyllite    -   Other specific examples: #1 | #2 | #3 | #4
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Basic Key
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Composition
NORMAL
Chlorite
ACCESSORY
In red if present

Biotite
Description
     Slaty cleavage foliation composed of chlorite crystals. Unlike a slate the crystals in this phyllite have grown larger and light reflects more easily off the cleavage faces, leading to a high light reflectance (scheen), a characteristic feature of phyllite.
  

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Last Update: 10/25/00

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