Then you must pass the boiling sands that burn travelers to fine ashes.

The scroll itself flared with a yellow light, then disintegrated into fine ashes in his hands.

He was breathing deeply, trying to catch a solid gulp of air as ashes finer than dust swirled around him.

After a moment, he coughed out matter, perhaps fine ashes.

As he spoke, a shower began to fall, which we quickly observed was not rain, but fine ashes.

He stood waiting until the marshal's body vanished into fine ashes and dust, and, in turn, until they, too, vanished.

Pyroclastic rocks may be a range of clast sizes, from the largest agglomerates, to very fine ashes and tuffs.

He rubs his nose, trying not to sneeze at the fine ashes circulating in the room, before he walks to the windows and opens them.

Shame covered him wholly like fine glowing ashes falling continually.

Due to its furnace-like operation, most fuel will burned thoroughly into fine ashes with almost no waste.