Bastnasite

Chemical formula (La, Ce, Y)CO3F. Bastnasite is a scarce mineral and never in great concentrations. It typically takes the form of a honey-yellow or reddish brown crystals. Bastnasite ore is commonly used to produce rare-earth metals and for use in advanced electronics.

— In-Game Description

Bastnasite is a rare Mineral Commodity. It is produced exclusively through Surface Mining, and as such, it is highly valuable. It is consumed by some High Tech, Industrial and Refinery markets.