nepheline syenite
Nepheline syenite is an igneous rock primarily composed of the mineral nepheline and various feldspar minerals. It forms from the cooling and solidification of magma, typically in environments with low silica content. This rock is often light-colored and can be found in areas with volcanic activity.
Due to its unique mineral composition, nepheline syenite is used in various industrial applications, including the production of glass and ceramics. It is also a source of alumina, which is important for manufacturing aluminum. The rock is commonly found in regions such as Canada and parts of Scandinavia.