Polished Banded Calcite Sphere (also known as “Onyx Marble”) – Madagascar This remarkable sphere, carved from natural banded calcite, showcases fluid layers of caramel, honey, and cream tones flowing in harmonious patterns around its surface. Meticulously polished to a glossy finish, the stone reveals rhythmic striations that evoke the tranquil beauty of ancient geological formations. Often traded under the name “onyx marble,” this form of calcite is appreciated for its aesthetic warmth and natural translucence. When illuminated, the layers appear to glow softly, accentuating the depth and richness of the mineral. In crystal healing, banded calcite is said to foster calm, emotional stability, and mental clarity, serving as a gentle aid for relaxation and meditation.