Makasiitti

Makasiitti is a rare silicate mineral with the chemical formula MgFe3+2(PO4)2(OH)2. It is a member of the makasiitt group, which also includes other phosphate minerals. Makasiitti is characterized by its distinctive red to reddish-brown color and vitreous luster. It typically forms as small, prismatic crystals or in granular aggregates. The mineral is found in metamorphic rocks, often associated with iron-rich environments and the presence of phosphate minerals. Its formation is thought to occur under relatively low-temperature, high-pressure conditions.

The discovery of makasiitti is attributed to Czech mineralogists who found it in the vicinity of the village of Makasiit, Czech Republic, hence its name. It is a relatively obscure mineral, and significant deposits are not widely known. Due to its rarity and small crystal size, makasiitti is not of significant commercial value. However, it is of interest to mineralogists and collectors for its unique chemical composition and crystallographic properties. Further research is ongoing to understand its geological occurrence and formation processes more thoroughly.