The 12mm beads are genuine Bright Green Chinese Jade. Green Jade is the health, wealth & longevity stone. Ancient Chinese used also for courage, wisdom, justice, mercy, emotional balance, stamina, love, fidelity, humility, generosity, peace, harmony. Lungs, heart, thymus, immune, kidney & blood detox, nervous system. Androgynous. A gentle, steady energy. These Sterling Silver (.925 fine) dangle earrings are accented with Sterling Silver bead caps and 3mm dia. Sterling Silver smooth round beads. The earrings have Bali Style Sterling Silver ear wires. Earring guards are included. approx. size - 1-1/4" long overall