Many, if not most, surface outcrops have been at least partly altered to serpentinite, a process in which the pyroxenes and olivines are converted to green serpentine.

-but marbled with veins of green serpentine.

Now he placed on the table a ball of dark green serpentine, an inch in diameter, attached to a chain of fine iron links.

On the external right wall is a triangular decoration, a chessboard-shaped marble intarsia made of green serpentine from Prato and white marble.

The font is made from dark green serpentine.

They are separated by elegant columns of green serpentine, the capitals being attributed to Guidetto.

They are only carved pebbles of green serpentine, Captain, worth hardly more than our glass trade beads.

They take a variety of forms, from traditional gravestones to obelisks, and use a variety of stones from granite and marble to green serpentine.

At the end of the glade the trail led steeply down ledges of dark green serpentine to the River Derna.

The shallower 2-3 km of peridotite has been converted to green serpentine by alteration by seawater at depth.