10x8mm Lake Superior Agate Ring
Lake Superior Agate Ring. A beautiful 10x8mm Red with White Agate in a 4-prong Sterling Silver swirl setting. The ring size a 6 3/4.
Lake Superior Agate. 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.