Volcano is an ideal name for this Swarovski crystal. It erupts with an amazing combination of colors. The mixture of goldenrod and copper on the outer rim blend well with gold-filled weaves while the Persian blue and warm pink are suited for silver. The earrings pictured are connected to full sections of sterling byzantine weaves and attached to sterling ear wires. They measure 1 3/4" and weigh 3.1 grams each. The crystals measure 14mm (see photo 4 of jet crystal over dime). The earrings are also custom made in silver filled, copper, gold filled, Argentium with options of the half thick or double byzantine weave. See photo 3 for choice of copper ear wire vs. TierraCast copper hypoallergenic niobium with 3mm copper bead. If you choose copper earrings, please e-mail us with your choice of ear wire. The crystals measure 14mm (see photo 4) Matching pendant available. Please see our "About Us" page for information pertaining to Argentium silver and quality of our chainmaille.