Beautiful wee examples of a Copper Replacement Agate found in the Keweenaw peninsula. These are very rare stones and this is the only spot in the world they form in this particular way.
 
Set in solid 14k yellow gold polished to a high shine. See the video to watch the copper in the agate flash in the light.
 
18” long pendants is approximately 3/8” x 1/4” on a .7 mm beveled cable chain.
 
Naturally one of a kind, handmade in my Charlevoix, Michigan studio in recycled 14k yellow gold. Ships priority insured, upgrades available.