POL103JR Polyhedroid Agate Specimen Clear Quartz "STEAM is an educational approach

"STEAM is an educational approach to learning that uses Science

Pieces range 1" - 1

46mm x 26mm

The stones are carved from various quartz

they can be cut or sliced to show more red inside

POL103JR Polyhedroid Agate Specimen Clear Quartz "STEAM is an educational approachThis is a specimen featuring dark yellow, blue, and dark blue to black banded agate, with a small bit of white in the center. It has over six flat sides with fracturing that has been weathered already. 8. 5 cm x 5. 8 cm x 5. 6 cm 11. 5 oz Polyhedroid Agates were found in Paraiba, Brazil, but are now unavailable. They are pseudomorphic formation of agate, forming in the negative space between large crystals of calcite or aragonite. They uniquely