Beryllium minerals are naturally occurring compounds that contain the element beryllium, which is a lightweight and strong metal. These minerals are typically found in igneous rocks and are often associated with other minerals like bertrandite and beryl. Beryllium is primarily extracted from these minerals for use in various applications, including aerospace and electronics. The most significant beryllium mineral is beryl, which can also form gemstones like emerald and aquamarine. Beryllium is valued for its high melting point and low density, making it useful in alloys and as a moderator in nuclear reactors. The extraction and processing of beryllium minerals require careful handling due to the toxicity of beryllium compounds.