Almandine is the most common form of the gemstone Garnet. The term Garnet describes a group name for many closely related minerals that form important gemstones. Almandine is an individual member mineral of the Garnet group. Although usually opaque and unfit for gemstones use, the less common transparent to translucent specimens make fine gemstones. In the gemstone market, the term Almandine is rarely used on its own. It is either called “Garnet”, or “Almandine Garnet”. Almandine can be found in the colors red, and black. Almandine is the hardest form of garnet, and the most valuable having a deep red color.