5) 2 x 1 cm 6) 2 x 1.5 cm
Dimensions: 5) 2 x 1 cm 6) 2 x 1.5 cm

Description: 5) the closest thing to the specimen I've found in research is a type of coral fossil? Not very shiny, and it's lumpy. 6) a relatively flat piece, the top half is milky with dark spots, and the light blue bottom is separated by thin banding on the sides.