👉 The term "sylvanitic" refers to a type of metamorphic rock, which is formed by the transformation of igneous or sedimentary rocks into a solid, crystalline material. This process involves the cooling and hardening of minerals in a magma chamber, where they are subjected to pressure and heat until they transform into a more stable form. Sylvanitic rocks typically have a characteristic grayish-brown color due to their high content of quartz, which is often combined with other mineral
