Key Characteristics Composition: A potassium aluminum silicate from the feldspar mineral group, with alternating layers of orthoclase and albite. Adularescence: The signature effect, a soft, billowy sheen (blue, white, or multicolor) that moves across the surface as light hits it. Varieties: Includes orthoclase moonstone (white glow) and labradorite moonstone (rainbow/colored sheen, often called "rainbow moonstone"). Meaning & Symbolism Intuition & Feminine Energy: Strongly linked to intuition, divine feminine energy, and the moon's cycles. New Beginnings: A stone for self-reflection, inner growth, emotional balance, and navigating change.