CHI116jr Chinese Agate, Middle-Class Mine Lapis The chemical formula for Chalcopyrite

The chemical formula for Chalcopyrite is CuFeS2

5" in diameter at the base

and orange banded agate

and famous gems tell the fascinating stories of rocks and minerals

Pictures show the slabs both wet and dry

CHI116jr Chinese Agate, Middle-Class Mine Lapis The chemical formula for ChalcopyriteThis specimen features peach, white, yellow, red orange, light blue, and dark blue agate.. 5. 2 cm x 3. 4 cm x 2. 5 cm 2. 5 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.