👉 Pyroxanthin is a pigment found in many types of rocks and minerals, including those that are commonly associated with rocks from the Earth's core. It is also known as iron oxide, due to its composition of iron and oxygen. Pyroxanthin is a dark blue coloration that can be seen when exposed to ultraviolet light or other wavelengths of light. Pyroxanthin is primarily found in minerals such as calcite (calcium carbonate), quartz, and feldspar. It
