👉 A jarosite is a type of crystal that is composed of two layers of different materials. These layers are separated by a thin layer of air, which makes up the core of the structure. The core consists of a layer of silicon dioxide (SiO2) and a layer of boron nitride (BN). The two layers are separated by a layer of water vapor or carbon dioxide (CO2). This crystal is known for its unique properties such as its ability to conduct electricity, as