Beads Material: Natural Black Obsidian 
Chain Material: 925 sterling silver 
Necklace Length: 15inch+2inch Extender

Package:1*necklace

The choker is hand-assembled from natural Black Obsidian stone. Length is 40cm and 5cm extension cable. Carabiner clasp was made of hypoallergenic material  cadmium free & lead free

Black Obsidian is most well-known for its strong protective and grounding properties. This glassy black crystal is one of the premiere crystals for working with any negative energy in your life - either from yourself (self-criticism/doubt) or from others.