Lake Superior Agates - 500 Piece Jigsaw Puzzle

500 PIECE JIGSAW PUZZLE - MADE IN USA - Semi-precious gems, lake superior agates were formed in the Lake Superior basin as silicon rich hydrothermal solutions mixed with other local elements washed in and out of vesicles in newly hardened lava beds. This created the lovely banding patterns that are so widely desired. Red and white banded agates and eye agates are some of the most longed for varieties.