"Fractured Duet" - Greywacke sandstone cobble fractured by veins of quartz. Two halves of the same rock. Slate, stained glass, metal beads, glass beads, hematite beads, glass tile, glass rods, beach pebbles and beach glass. 9" x 11" each. Available. $125 each; $250 together; plus shipping. Ready to hang.