These are Natural Rainforest agate Gemstone beads.
Rainforest agate is green and brown jasper that is marbled with pockets of chalcedony. Amazing Gems. As with most Gemstone this offers a powerful power of wisdom and healing.
Size: 12mm
Hole Size: 1mm
length of the strand: 8 inches long
Shape: coin/tabular
Approx: 17 beads
Mined in Madagascar