Geikielite is a rare mineral that belongs to the spinel group of minerals. Its chemical formula is MgTiO3, which means that it is composed of magnesium (Mg), titanium (Ti), and oxygen (O). Geikielite typically forms as octahedral crystals that are opaque and black in color. Geikielite is named after the Scottish geologist and petrologist, Archibald Geikie, who first described the mineral in 1892. It is found in a variety of geological environments, including igneous rocks such as kimberlites, peridotites, and anorthosites, as well as in meteorites. Geikielite has a number of potential uses in industry, including as a refractory material due to its high melting point and resistance to heat and chemical corrosion. It is also used in the manufacture of certain types of ceramics, and as a pigment in some types of paints and coatings. However, due to its rarity and the difficulty of extracting it from its natural sources, geikielite is not widely used in industry.
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