<https://alaskarocks.com/product/double-circle-rock-earrings/#product>
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"All ear wires and jewelry findings are made with sterling silver. All rocks have been hand collected by me from various beaches along the Kenai Peninsula, from Homer to Ninlichik Alaska. Once collected they are sorted for shape and size and are always in their natural form. Please be aware since Mother Nature makes each rock perfectly different, each rock will vary slightly in size and color, making each piece unique."
<https://alaskarocks.com/product/double-circle-rock-earrings/>