👉 Sicklerite is a mineral that occurs in the crust of the Earth and can be found in various forms, including polycrystalline crystals. It's also known as iron oxide garnet or iron oxide feldspar. The mineral has been identified by several authors and researchers due to its distinctive coloration, which ranges from light blue to a darker shade of blue-green depending on the mineralogy. The term "sicklerite" is often used in the context of the