Origin of lapillus
How to use lapillus in a sentence
These ejections were followed by dark sand, with lapilli and small fragments of scori of the same colour.
With the lapilli, and sometimes without them, the smoke carried a very minute dust or sand, which is generally called ashes.
We observed, that when lava abounded, the projection of rocks and lapilli either ceased altogether, or became of small amount.
A cubic mile of material is said to have been thrown out in the form of lapilli and dust by the successive explosions.Wealth of the World's Waste Places and Oceania |Jewett Castello Gilson
There was no pumice shown to me, but the dust and lapilli all seemed to be composed of comminuted old rock.Complete Story of the San Francisco Horror|Richard Linthicum