What is Chalk? In this section, we will learn more about properties of Chalk i.e. physical and thermal properties. Physical properties of Chalk include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Chalk is Not Available. Streak of Chalk is white while its cleavage is non-existent. Luster of Chalk is dull and its fracture is not available. Chalk is opaque in nature. Know all about Chalk, What is Chalk, its composition, features, facts and reserves in next sections.
What is Chalk composed of? Get to know about composition of Chalk here. Chalk definition gives information about the Formation of Chalk and its composition.The composition of Chalk can be further divided into mineral and compound content. The mineral content of Chalk rock includes Calcite, Clay, Clay Minerals, Quartz, Sand and The compound content of Chalk rock includes Ca, NaCl, CaO. Almost all rocks undergo transformation process. Know all about Chalk rock in next section.