Lake Superior Agate Pendant 18mm x 12mm 4531
A 18 mm x 12 mm Lake Superior Agate in a Sterling Silver 4 prong setting.
An 18" Sterling Silver chain with spring ring clasp is included.
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.