Where talcose it is bluish, and shows streaks of 'black sand,' titaniferous iron.
So I went down to Quogue with one of my assistants and saw there for miles large beds of black sand on the beach in layers from one to six inches thick--hundreds of thousands of tons.
If a magnet be brought near to this "black sand" the particles will be immediately attracted to it, just as iron filings would be in such a case.
After the surf of the storm is gone and the tide runs out, a fresh layer of black sand is found with gold in it.
Geologists find this gold-bearing layer of black sand (it is a magnetic iron sand) a most interesting study.
In the bottom of the pan lay a small quantity of dark sand, which Uncle Will told them was called "black sand" and consisted mainly of iron.
In this way the amount of gravel was gradually reduced, and in less than ten minutes there remained apparently only a quantity of black sand and a few pebbles.
Dipping up a little water, he allowed it to wash back and forth over the black sand, and presently some little yellow specks were uncovered.
Then he proceeded to reduce the amount of black sand, using greater caution than before, and letting the water flow very gently in and out.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "black sand" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
