An imitation of chrome red is made by coloring white lead, orange lead, or barytes with some of the coal-tar dyes, especially with eosin. |
The area has previously been mined and quarried for minerals such as barytes, coal fluorspar, iron, lead, witherite and zinc. |
Minerals covered will include calcium carbonates, kaolins, talcs, micas, barytes, aluminum trihydrates and other fillers. |
The Force Crag Mine was worked for zinc, lead and barytes from 1835 until 1991 and was the last working mine in the Lake District. |
Pontin, had successfully obtained amalgams of calcium and barium by electrolysing lime and barytes using a mercury cathode. |
This color is often precipitated on pigments, such as barytes, which do not reduce its tone. |