Student bracelet - amber - jade - lapis - calcite - smoky quartz - howlite - hematite - rose quartz - natural stone - 8 mm benefits of stones: howlite: helps maintain the body's fluid-electrolyte balance. increases and balances muscle functions. provides proper contraction of muscles .hematite: relieves stress by regulating the nervous system, calms excessive emotion and excitement. provides balance between the physical system and the spiritual system. provides vigorous and long life. lapis: it creates a balance between our physical and spiritual powers. memory and concentrationsmoky quartz: it transmits the energy of nature and the universe to us. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.