Ilmenite is a titanium-iron oxide mineral and one of the main sources of titanium. It appears black or metallic gray and is widely used in producing titanium dioxide for paints, plastics, and coatings. It is commonly found in beach sands and igneous rocks.

Rutile is a naturally occurring form of titanium dioxide known for its reddish-brown or golden crystals. It is highly valued for its use in pigments and as a key material in the production of titanium metal. It also occurs in metamorphic and igneous rocks.

Zircon is a durable and naturally occurring mineral known for its brilliant crystal structure and wide color range. It is used in ceramics, refractories, and as a gemstone. Zircon is also important in geological studies for dating ancient rocks.

Monazite Monazite is a reddish-brown phosphate mineral rich in rare earth elements like thorium and cerium. It is an important source of rare earth metals used in electronics and energy industries. It is typically found in heavy mineral sands along coastal regions.