Even now the volcanic glass can be found on the sides of the mountain.

His eyes were black volcanic glass set in ivory, binding mine.

They were ice blue, sharp as volcanic glass, colder than space.

Her eyes were like volcanic glass, suspicious but not unfriendly.

All those sheets of that black volcanic glass glittering in the sun.

Glass is good for holding heat anyway, especially if you're using something like volcanic glass.

Other cultures used whatever was handy, like volcanic glass, to shave.

Iron shoes because the ground there is mostly volcanic glass."

At least once a week, some slaves were killed or maimed by falling volcanic glass.

I know that obsidian is a naturally occurring volcanic glass.

The jed sat upon a perfectly enormous throne of volcanic glass.

She held a knife of volcanic glass, and her smile was the gate to the Underworld.

Isn't a lot of the blowing grit volcanic glass?

But how can breathing minute air-borne particles of volcanic glass be good for anyone?

The major component is volcanic glass typically present in quantities over 50 wt%.

Tafahi island in the far north provided volcanic glass to initial human settlers.

Obsidian is a natural volcanic glass found as a kind of igneous rock.

He gestured at a small table, and the half-dome of volcanic glass atop it.

Obsidian, natural volcanic glass, shatters easily and was rarely used.

A teardrop of green volcanic glass hung from a silver tripod.

Instead of being forged from steel, the blade was made of black volcanic glass.

Little crescents of volcanic glass ricocheting around as he squeezed them off.

The flow consists of obsidian, a dark volcanic glass.

Little Jon, though a year older than me, will till death look like a small black fourteen-year-old with skin smooth as volcanic glass.

The weight of the volcanic glass pressed down as he shoveled it over the top of his head.