CHI181jr Chinese Agate, Middle-Class Mine Aventurine and gray banded agate

and gray banded agate

The term Schorl was in use before the 1400s

more complex model that can better explain every visible variation within the banded agates

It is black

CHI181jr Chinese Agate, Middle-Class Mine Aventurine and gray banded agateThis is a polished specimen featuring yellow agate with a small section of orange. 4. 2 cm x 5. 5 cm 0. 12 lbs Agates from the Middle Class mine show a broad range of colors including red, yellow, purple, brown, blue, and black. Agates from the Middle Class mine also often contain druzy pockets with hematite and calcite crystals. Agates from this mine also contain a higher percentage of heat and stress fractures from the mining process and are