Magnesia is a naturally occurring mineral, primarily composed of magnesium silicate. It is often found in the form of the mineral olivine and is used in various applications, including the production of refractory materials, which can withstand high temperatures. Magnesia is also important in agriculture as a soil amendment to improve crop yields. In addition to its industrial uses, magnesia plays a role in health and wellness. It is a key component in some dietary supplements, providing essential magnesium that supports various bodily functions, including muscle and nerve function. Overall, magnesia is a versatile mineral with significant applications in both industry and health.