These look yellow in the picture as it is the way the light captured them but they are blue, green, pink and purple, every color inbetween! These are Aura Borealis crystals. They are stunning and the angel who spoke, Anapiel is the one who will give you information and guide you. This angel works directly under God and knows the things you might want to know. If you are going to make a bad choice they will help you. If you have problems hearing or understanding what it going on with a situation or listening to your pieces they will help you. These earrings can be used with any other piece you may have. These are good because you get that great understanding you need to proceed with life and certain choices.