👉 Hyalite is a mineral that forms in various environments such as rocks, sandstone, and dolomite. It's composed of hydrated calcium carbonate (CaCO3) and is known for its white color due to the presence of iron oxide (FeO). These minerals are formed through geological processes where water flows over sediment or rock. They can be found on Earth in various forms and sizes, ranging from small grains to large crystals. In terms of hyalite formation, it involves a series