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Mineral & Metals Agents

General Information Coal is a fossil fuel formed in ecosystems where plant remains were preserved by water and mud from oxidization and biodegradation, thus sequestering atmospheric carbon. Coal is a nonrenewable energy source because it takes millions of years to create. The energy in co...

Mineral & Metals Agents

General Information Limestone is the most abundant of the non-clastic sedimentary rocks. Limestone is produced from the mineral calcite (calcium carbonate) and sediment. The main source of limestone is the limy ooze formed in the ocean. The calcium carbonate can be precipitated from ocean wate...

Mineral & Metals Agents

General Information Silica (silicon dioxide, SiO2) occurs as the mineral quartz, a major constituent in many igneous and sedimentary rocks, and the most common detrital mineral in sandstone. As a commodity, the term silica is applied to quartz in all its forms -- as vein or reef quartz, quar...

Mineral & Metals Agents

General Information Barite (spelled baryte in British publications) was named from the Greek word baros which means weighty, a reference to its unusually high specific gravity. (Specific gravity is a mineralogist’s measure of the density of a mineral; this is done by comparing the weight of the...

Mineral & Metals Agents

General Information Dolomite, composed of calcium and magnesium carbonate (CaCO3.MgCO3), has a theoretical composition of 45.65% MgCO3 and 54.35% CaCO3. In addition to its importance as crushed stone, it has a wide variety of industrial applications. It is used in the steelmaking industry as a...