This Stainless steel blue apatite ring is durable and hypoallergenic. The crystal stone is 6mm. Comes in a gift box. Apatite is aligned with the zodiac sign of Gemini. It is believed to decrease hunger as well as enhance insight, creativity and learning. It is said that wearing apatite will enhance focus, clarity for concentration, intellect, acceptance and unconditional love. This acceptance and unconditional love relates to the self as well as from others. Rings may appears larger in photos to show detail. Since each ring is handmade and stones vary in color tone and pattern, there may be slight differences in each ring.