The lap is kept moistened with oil and from time to time fresh oil and diamond dust are applied.
It is a trite remark that diamonds can be polished only by diamond dust.
If the motto is made in white wax it should be frosted with diamond dust.
Small tables stood by pine and cedar trees that were covered with alum icicles and sifted over with diamond dust.
The wheel being set up correctly, the next step is to arm it with diamond dust.
But, by skilful use of his magic coil, he gathered up all the diamond dust and carried it back to his cave.
It was playing one against the other, just as diamond dust is used to cut the precious stones of which it once formed a part.
Powdered quartz is generally substituted for diamond dust, but is much less effective.
It looks to me like a golden hoop, with diamond dust inside.
Used to make fine glass; also for a dryer for paints, and sold under the name of diamond dust for razor strops.