pumice-stone

From the softness of a wet sponge to the hardness of pumice-stone there are infinite fine degrees of difference.

The Magic Skin 2007

Scoriae, in a state of dust, like powdered pumice-stone, and grayish ashes as small as the finest feculae, were held in suspension in the midst of their thick folds.

The Mysterious Island 2005

“This powdered pumice-stone, all this mineral dust, proves how grave is the convulsion going forward in the lower depths of the volcano.”

The Mysterious Island 2005

Scoriae, in a state of dust, like powdered pumice-stone, and grayish ashes as small as the finest feculae, were held in suspension in the midst of their thick folds.

The Mysterious Island 2005

“This powdered pumice-stone, all this mineral dust, proves how grave is the convulsion going forward in the lower depths of the volcano.”

The Mysterious Island 2005

Here and there stray blocks, numerous debris of basalt and pumice-stone, were met with.

The Mysterious Island 2005

Here and there stray blocks, numerous debris of basalt and pumice-stone, were met with.

The Mysterious Island 2005

Epicurus, that it is an earthy bulk well compacted, with ores like a pumice-stone or a sponge, kindled by fire.

Essays and Miscellanies 2004

They continued to pass much pumice-stone; indeed the prodigious quantities of that substance which floated in the sea, between Japan and the Bashee Islands, seemed to indicate that some great volcanic convulsion must have happened in that part of the Pacific Ocean.

Narrative of the Voyages Round The World, Performed by Captain James Cook 2003

On the 4th and 5th, our navigators, continuing their course to the south-east, passed great quantities of pumice-stone.

Narrative of the Voyages Round The World, Performed by Captain James Cook 2003