Definition: Jasperite is a mineral that is primarily found in the Earth's crust, especially in igneous rocks. It is often referred to as "the rock of the rainbow" due to its unique color and appearance. Jasperite is composed primarily of quartz and feldspar, with some amounts of feldspar and pyroxene present. The name "jasperite" comes from the Greek word "jaes," which means fire or heat, as it is often used in the context of