A large deposit of umber is worked in the neighbourhood.
Coal is worked chiefly for lime-burning, and umber is prepared for the manufacture of colours.
Then by slow degrees a proportion of " dryers " is added - usually equal weights of litharge and minium being used to the extent of 3% of the charge of oil; and with these a small proportion of umber is generally thrown in.
11), the great comic dramatist of ancient Rome, was born at Sarsina in Umbria according to the testimony of Festus, who calls him Umber Sarsinas, and Jerome.
Sometimes it is almost pasty, and crumbles to powder when dried, so as to be susceptible of use as a pigment, forming the colour known as Cologne earth, which resembles umber or sepia.
Turning to the factor of sex, it may be stated that the t umber of the gainfully employed in 1900 above give1~ included 8 / of all the men and boys, and 18-8% of all the women and gi in the country.
The various kinds of brown and yellow ochre are mixtures of limonite with clay and other impurities; whilst in umber much manganese oxide is present.
The general colour is dark umber-brown, almost black on the back and grey below.