Apple Jasper is a natural gemstone that forms in silica rich sediment or volcanic ash. It has deep, earth-tone red and brown hues, with occasional dark flecks or veins. This semi-precious stone prayer bracelet is embellished with sterling silver accents and a sterling silver cross-bead. Strung on clear, stretchable Power Cord. The standard size has 28 beads and an inner circumference of about 6.5 ".