Be Very Lucky Friendship Bracelet in 18 carat yellow gold vermeil on sterling silver by Astley Clarke Biography. This charming friendship bracelet features alternative faceted beads of pyrite, labradorite and smoky quartz intersected with gold vermeil on a 7 inch fine gold vermeil chain. Combining stones that are believed to bring the wearer prosperity and good luck, this pretty lucky friendship bracelet would make the perfect gift.