Amethyst dangle Purple silver earrings

Amethyst dangle earrings, Purple earrings, February birthstone Amethyst birthstone silver earring stamp on the earrings, can't read it, really small writing. not sure what kind of silver it is could be sterling silver or 925 silver appear to be handmade. I never had a reaction to them, so no nickel in them. Amethyst relieves stress and strain, soothes irritability, balances mood swings, dispels anger, rage, fear and anxiety. Alleviates sadness and grief, and dissolves negativity. Amethyst activates spiritual awareness, opens intuition and enhances psychic abilities.