Even some inks will contain calcium carbonate or other fillers. The morning has worn on and it is time for a break. While on break, we commence to ponder what we will do for the weekend and know that there are a lot of recreational devices we would love to employ. These include golf clubs, tennis rackets, fishing rods, and skis. If we use a camp light on our trip the mantle will be made from an industrial mineral, thorium.
Communications equipment employs numerous industrial minerals.
The standard product of the industry for many years has been the silicon chip, made from quartz or silica as the name implies. Optical fibres, made from glass, are replacing some copper wiring. The television screen or computer monitor is made of glass but critical tubes also contain phosphors made from the rare earths or lanthanides, a family of industrial minerals. After a hard day at the office we drop in for refreshments with our friends. A fruit juice would be refreshing or for the less temperate a glass of wine or beer, but all of these liquids use either perlite or diatomite as filter aids in their purifying and clarifying processes.