The Rocks and Minerals of Occoneechee Mountain -

Pyrophyllite

Pyrophyllite occurs most commonly as pyrophyllite phyllite. Pyrophyllite can also occur in a radial habit of radiating needles as in the photograph. Pyrophyllite is usually white as in the right side of the photograph. It can commonly be stained with iron oxide minerals giving a brownish-red color as in the left side of the photograph.

pyrophyllite - radial habit

View of boulder surface with abundant radial habit pyrophyllite.

pyrophyllite - radial habit boulder

Sample of radial habit pyrophyllite and quartz. Brownish-red areas are zones of iron oxide staining.

pyrophyllite + quartz

Please remember that rock and mineral collecting is STRICTLY PROHIBITTED in Eno River State Park!

 

IC35_cover

Want to learn more about the geology of the Eno River area?

You may be interested in A Geologic Adventure Along the Eno River - A richly illustrated publication from the North Carolina Geological Survey.