Limestone: Rock Uses, Formation, Composition, Pictures
Varieties of Limestone. There are many different names used for limestone. These names are based upon how the rock formed, its appearance or its composition, and other factors.,Rarely, crinoidal and other types of limestone, have the ability to accept a bright polish and have interesting colors.Different types of limestone to increase substrate pH,,Different types of limestone to increase substrate pH. Part 1 of a series on adjusting substrate pH will discuss how the type, particle size and hardness of limestone will effect substrate pH.Sedimentary Rocks | Pictures, Characteristics, Textures, Types,Organic sedimentary rocks such as coal, some dolomites, and some limestones, form from the accumulation of plant or animal debris. Photos and brief descriptions of some common sedimentary rock types are shown on this page.