This unique piece is crafted with a jaw-dropping druzy agate gemstone, intricately caged in polished stainless steel chain. The natural beauty of the stone radiates when hit by light, making you stand out from every angle. Add some sparkle and confidence to any outfit - get yours today!. Details. Stone: Agate. Metal: Stainless Steel. Length: 20”. Positively Conscious: We've partnered with Greenspark, a climate change program that allows MHART to plant a tree or remove one piece of plastic from the ocean for every website purchase.