“Such drills, set with bortz diamonds, have accomplished remarkable feats.”

“A large part of the production of the Belgian Congo is crushing bortz.”

“While author Lauri Bortz is best known for her award-winning plays, she has been creating children's literature for decades.”

“Black or gray-black, massive, granular to compact bort is known as carbonado.”

“It was also generous of Neaera to send Mrs. bort ten pounds immediately after that lady had treated her so cruelly.”

“For rock-boring the diamond rock-drill, an instrument with cutting edges made of bort or black diamond, is now generally adopted.”