CHI132jr Chinese Agate, Middle-Class Mine Polyhedroids It was among the last

It was among the last of the non-avian dinosaurs to exist prior to the Cretaceous-Paleogene extinction event

Morrison Ranch Jasper

and examples of individual pieces

5 inches in size

A small polished Polyhedroid Agate specimen pair featuring quartz filling

CHI132jr Chinese Agate, Middle-Class Mine Polyhedroids It was among the lastThis specimen features golden yellow, white and red agate. 6 cm x 5 cm x 2. 3 cm 2. 9 oz Agates from the Middle Class mine show a broader range of colors including red, yellow, purple, brown, blue, and black. They are known for showing strong concentric banding, chromatography and often contain spherulites. Agates from the Middle Class mine also often contain druzy pockets with hematite and calcite crystals. Agates from this mine also contain a higher