This is a Lava Stone and 6 Aventurine stone bracelet.
Bracelet features:
Lava Stones - Their properties are linked to physical strength, courage, grounding, positive energy and mental strength
Aventurine Stones - Known as the "Stone of Opportunity," it is widely believed to be one of the luckiest crystals for manifesting wealth, abundance, and career success.
Beads are approximately 10mm in diameter and on an elasticated band - one size fits most.
