This stone is
in color. (A painter would add a little blue to the green to achieve the
exact hue.) It has a distinctive, wavy banding -- of
alternating light and dark
greens. This banding tells the geologist that the stone was
formed as layers of deposition in a marine environment. Its
wavy pattern suggests that the water was turbid. Structural
geologists call this rock "turbidite."
It has a curious and distinctive manner of breaking.
To one sculptor, it breaks "like chocolate," to another, its cleavage
pattern "suggests the mesas,
arroyos, and other erosional elements of a southwestern desert."
Some sculptors like to utilize its attractive broken edges in
Raptor by Jim Heltsley
One Duck Greenstone is harder than
marble, but softer than granite. It should be worked by
grinding, not chipping. Not for amateurs, gluing is often
Not a calcium
carbonate like marble or limestone, One Duck Greenstone will not deteriorate in the outdoors. Its polish
will be long lasting.
This stone comes from the One Duck Lake area of
Prince of Wales Island.
Small Bird by Gary McWilliams
To see raw stone, go to Prince of
Wales Greenstone Photo Gallery
To see finished products, go to
Garden Art, and
To see natural sculpture, go to
Natural Sculpture - Suiseki - Viewing Stone