Sandstone is a sedimentary rock composed mainly of sand-sized mineral particles or rock fragments. Sandstone begins to form when loose sand grains accumulate in a depositional environment. Sandstone is primarily composed of sand-sized grains, typically made up of quartz, feldspar, and other minerals. Sandstone offers natural beauty and a wide range of colors and textures. Sandstone can form in various depositional environments such as deserts, riverbeds, beaches, deltas, and shallow marine settings. Marble is widely used in the Middle East for its elegance and beauty. Natural stones are commonly used for flooring in both residential and commercial buildings. West Asian building stones are known for their durability, allowing them to withstand harsh weather conditions and long-term use. West Asia is home to various types of marble, each with its own unique characteristics. Travertine is formed over thousands of years as water flows through limestone and carries dissolved minerals to the surface. Colombia's economy is classified as a middle-income, emerging market economy that has seen steady growth over the past decades. Its key sectors include oil, mining (notably coal and gold), agriculture (with coffee, bananas, and flowers being major exports), manufacturing, and services. Colombia has adopted open-market policies, implementing free trade agreements (FTAs) with numerous countries and regions, including the U. S. , the EU, and countries in Latin America. Colombia's fiscal policy is geared towards encouraging foreign direct investment (FDI), promoting exports, and diversifying its economy beyond dependence on natural resources.
