The surname Alcala comes from the period of 600 years when Spain was ruled by the Moors. Coming from the Arabic "al-Qala" meaning "fortress," this bracelet uses alternating Onyx and Lava Stone, both of which are associated with protection and wisdom. These stones are believed to be the ultimate grounding stones, and are helpful with deep focus. Though the bracelet is all black, the different textures create a subtle pattern.