CHI136jr Chinese Agate, Middle-Class Mine Kentucky Agate The chemical formula for quartz

The chemical formula for quartz is SiO4

5" x 2" x 1"

Measures 3" x 0

and physical healing qualities of the stone

and Chalcopyrite are encased in a plaster block

CHI136jr Chinese Agate, Middle-Class Mine Kentucky Agate The chemical formula for quartzThis specimen features tan, white, blue, yellow, and orange agate. 5. 5 cm x 5 cm x 3 cm 3. 3 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