This is the Pluto is a Planet Necklace (part of a set with a matching earrings) fit the bold wearer. I created this when I heard that Pluto was nor considered a planet anymore.
The oysteshells and stones are collected on my mermaid and land journeys around the Archipelago of Gothenburg. The stones vary from different forms of Bohuslän granites. And the pink&black glass beads are found on a fleamarket.
Granite is believed to improve your health, energy and general well-being. Granite is associated with strength and can be worn as a talisman to strengthen your hair, muscles and bones.
Granite is associated with abundance and protection. I recommend wearing this necklace to protect you from threatening forces.
Granite is also believed to have balancing effects. Oceanic granite has the properties of both earth and water, so its neutral, balanced nature is suitable for calming down and having relaxed relationships.
One layer of the necklace is made out of 1,0mm copper wire, copper does not withold nickel wich makes it suitable for the wearer that has skin allergies.
The second longer layer of the neckace is repurposed from another necklace fleamarket find, with pearls and metal beads on it. 
More about copper: Copper withold animicrobial properties by effectively killing bacteria, viruses, and fungi by disrupting cell membranes, damaging DNA/RNA, and creating oxidative stress through released ions, often eliminating over 99% of microbes within hours on its surface.