Combining these beads 10mm and 8mm in a piece of jewelry can create a powerful and harmonious energy that may help you feel grounded, protected, and inspired. The lava stone can help you stay grounded and calm, the lapis lazuli can enhance your intellect and communication skills, and the hematite can provide you with strength and protection. Whether you believe in the metaphysical properties of stones or simply appreciate their beauty, wearing jewelry made with these beads can be a meaningful and stylish choice.