3mm Jadeite beads on an elastic cord necklace with a lobster clasp.
Jadeite is a form of jade with pyroxene mineral. It is harder then Nephrite Jade.
Jade keeps the wearer from harm and brings harmony. It attracts good luck and friendships. It stabilizes the personality and promote self sufficiency. It suits the mind releasing negative thoughts. 
Chakra: Heart
Cleanse: cold water & smudging
Disclaimer: I am not a medical professional. All information provided is what the Crystal Healing community commonly use gemstones for. Please, still consult a doctor for any medical necessities.