This one of a kind piece features a dendrite quartz which is quartz with the crystals of another mineral (dendrite) inside it naturally mimicking ferns.  The stone's half circle cabochon shape is bezel set into a sterling silver pendant with a 14k gold bail and accented with a millgrain texture on the edges.  The pendant is approximately 1 1/2 inches (4 cm) wide by  1 1/2 inches (3.9 cm) tall.  Chains in the photos are sold separately.