Since the beginning of time, people have used stones to create symbols. From the very beginning, there was one fundamental property that spoke in favor of their use - they are durable. With their particular strength and durability, they have always symbolized a human desire to overcome the transience of life and events. Stone is not a truly dead, unchanging material, but a natural substance that has grown over millions of years, a mineral raw material, some of which still retains the traces of animals and plants that are millions of years old. Transformations by fire and water have led to the creation of a wide variety of types of stone. Granite and basalt are formed by heat, while sandstone and shell limestone are formed by the erosion of water. Most natural stones are mixtures of minerals, only alabaster and quartz consist of just one mineral. Granite, tuff, sandstone, limestone, slate and marble are complex mixtures with very different physical and aesthetic properties. The individual types of stone can differ from one another in terms of strength, density, color, veining and texture.

Each stone has its own aesthetic and inexhaustible potential, which can be varied in a wide variety of ways through processing.

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