materials of carbonate chemistry such as limestone (calcium carbonate CaCO3) Cleavage planes of weakness in the atomic lattice of a mineral, along which the mineral will preferentially split when struck.
Group of minerals that contain one or more metallic elements plus the carbonate radical (CO3). Most are lightly colored and transparent when pure. All carbonates are soft, brittle, and effervesce when exposed to warm hydrochloric acid. The carbonates are divided into Calcite Group and Aragonite Group. The Nitrates and Borates are sometimes considered a category of the carbonates.
(car´-bon-ate) A mineral compound characterized by a fundamental anionic structure of CO3–2. Calcite and aragonite CaCO3, are examples of carbonates. A sediment formed of the carbonates of calcium, magnesium, and /or iron, e.g. limestone and dolomite.