Marble is a kind of metamorphic rock resulting from local metamorphism of calcium- and magnesium-containing calcareous stones. It is a layered stone with various colors, crystalline, and semi-transparent. In fact, marble belongs to Marble Group is in scientific terms. Its main applications is in the interior façade and sculpture. So far, its largest reserves have been reported in the provinces of East Azerbaijan, Khorasan, Kerman and Kurdistan.
Granite is a bright color igneous stone in which its grains are so large that they can be seen with the naked eye. This combination of minerals usually produces a red, pink, gray or white color. Many people are familiar with granite, because it is the most common rock found on the ground and is used to make many objects in everyday life, including over cabinets and counters, flooring, pavers, kerbs, stairs, facade and gravestones and memorial stones
Antique stones are composed of small, broken pieces of travertine stones and binder materials. The use of decorative stones garbles such as travertine, in addition to increasing the productivity of high-quality materials in nature, will result in creating stone products with beautiful and eye-catching designs. Designers and architects use these types of stones for beautification the exterior and interior views of the buildings and villas and gardens.