This is a particularly scenic Indonesian Maligano Jasper cabochon, it depicts a summertime creek tumbling over river pebbles.  Fine silver setting with textured backplate, speckled rose,  fallen leaf sprig and twisted wire accent. 
24" Italian oxidized diamond cut rope chain.
Maligano jasper is a rare stone recently discovered in the small village of Sulawesi, Indonesia. It has contrasting hues of soft blues, greys, yellow, orange and beige with brecciated patterns, veins of agate that fill the cavities and dendrites.