👉 A furstone is a type of rock that consists primarily of quartz crystals. It can be found in various environments, including mountains, cliffs, and caves. Furstones are often used for their unique appearance and as a source of valuable minerals, such as calcite, which is mined from the quarrying process. Furstones have been used for thousands of years by people across different cultures to make tools, weapons, and other artifacts. In some cases, furstone has even been used as currency
