Table.— Large flat facet on top of brilliant-cut diamond.
Taua.— A breccia of the Agua Suja district, Brazil, particularly rich in diamonds.
Torn-end.— Three-cornered pyramid from the point of a wassie; a corner.
Twinned.— Crystals formed conjunctively.
Twins.— Crystals which show the junction of the crystals distinctly.
Wassie.— A large cleavage split for cutting. Well.— Dark center of a diamond cut too thick. Wesseltons.— Fine white diamonds supposed to come from the Wesselton Mine.
Yellow-ground.— Upper part of the diamondiferous rock in the African chimneys; oxidized blue-ground.
