30mm x 20mm Lake Superior Agate Pendant 0404-01
Beautiful 30mm x 20 mm Lake Superior Agate pendant in a closed Back Sterling Silver bezel setting.
Lake Superior Agates are a variety of the mineral quartz, SiO2, with a hardness of 7. The combination of quartz with small amounts of different elements has created beautiful banding, varied patterns, and eye-catching colors unique to each agate. These gemstones can be found on many Lake Superior beaches throughout the states of Michigan, Wisconsin, and Minnesota.