👉 Larsenite is a type of gemstone that is often used in jewelry and as a decorative element. It is composed of a mixture of iron, copper, and magnesium, which are naturally occurring minerals found in certain rocks such as granite, feldspar, and quartz. Larsenite can be polished to create a beautiful shine and can also be used for its unique physical properties, such as its ability to conduct electricity. Larsenite is typically found in the western United States and