Crossword-Solution: LIBRAE 6 letters, 3 clues 🏆 scrabble score: 8

Next come all gold ores of which each one hundred _librae_ contains more than three _unciae_ of gold[7]; for although but a small proportion of gold is found in the earth or stone, yet it equals in value other metals of greater weight.[8] All other gold ores are considered poor, because the earth or stone too far outweighs the gold.

When considering silver ores other than native silver, those ores are classified as rich, of which each one hundred _librae_ contains more than three _librae_ of silver.

Pliny (XXXIII, 21) says: "Occasionally a kind of silex is met with, which must be broken with fire and vinegar, or as the tunnels are filled with suffocating fumes and smoke, they frequently use bruising machines, carrying 150 _librae_ of iron." This combination of fire and vinegar he again refers to (XXIII, 27), where he dilates in the same sentence on the usefulness of vinegar for breaking rock and for salad dressing.

The _centumpondium_ is the first and largest weight, and of course consists of one hundred _librae_, and for that reason is called a hundred weight.

Their largest weight of the greater scale weighs one hundred and twelve _librae_, which is the first unit of measurement.