This is a maid made of two moonstones in series, and the round shape is welded with twists to add variety. Both gems have obvious blue light, while the elliptical type has strong blue light, less ice cracks and less clouds, showing a more transparent connotation. Under light and natural light, both of them show dazzling blue halos. The second and third photos were taken under light, and the rest were taken under natural light. Feldspar is one of the common minerals on the earth. It belongs to the same family as labradorite and sunstone. Hardness 6. Material: 999 sterling silver/moonstone 7mm/ 11x9mm, all-glossy finish. Overall height: 4cm, width: 1.2cm (including the head) ***Necklace not included. Welcome to the silver chain area to buy. There are 18-inch 925 silver chains to choose from. ***Environmental protection requirements, gift bags are not provided (if necessary, please note in the order). The package includes jewelry box, silver cleaning cloth, thick zipper bag, and maintenance instructions. ***When not wearing it, please store it in a sealed bag. When it becomes black due to oxidation, wipe it with a silver cloth to restore the gloss.