Uses of uranium lead dating
On a worldwide basis, more than 100 million metric tons per year of apatite and gypsum are mined, and calcite and dolomite are produced in billions of metric tons per year.
Cement Cement is used for building materials, stucco, and mortar.
An excellent overview of cement, its chemistry, and properties can be found in Mac Laren and White (2003).
Some common calcium-bearing minerals include apatite (calcium phosphate), calcite (calcium carbonate), dolomite (calcium magnesium carbonate), fluorite (calcium fluoride), and gypsum (calcium sulfate).
Calcium metal is produced in Canada, China, France, Russia, and the United States.
It rarely occurs in nature as a native element, but is found in a number of different minerals.
Antimony is used principally for flame retardants as well as in ammunition and automotive batteries and as a decolorizing agent in glassmaking.