Terri Logan | Basalt and Grout Square EarringsThese petite earrings contain the mighty Basalt, or lava rock as you may know it. Pair them with a Terri Logan black riverstone ring and a Stax Bangle for an all natural look. Materials: basalt (lava rock), grout and darkened patina silver bezel, handmade wire Measures: .5"l x .75"w