Dendritic opal pendant in hybrid bezel with decorative prongs

A round dendritic opal framed in a hybrid bezel with decorative prongs.  A tiny monochrome landscape held firmly in silver. One of a kind, made by hand at my bench. Includes an adjustable 20" antiqued sterling silver rollo chain, wearable at 16", 18", or 20".
Size: Overall pendant 28 × 20 mm.