Havara is a type of chalky, powdery mixture of silt and limestone that is predominantly calcium carbonate in composition.[1]: 110–1 It tends to form a surface coating of "limestone-marl areas".[1]: 111 It is common in Cyprus, where it is used as gravel for roads.[1]: 110 Soft and easily carved, it is widely used in construction throughout the Middle East.[2]: 205 For example, it was used for the interior of the Gaziantep railway station.[2]: 205 Havara is vulnerable to weathering.[3]: 162
