CHI108jr Chinese Agate, Middle-Class Mine Polished Slabs A thorough explanation of agates

A thorough explanation of agates and why they are unique

and over 7 million tons of refined copper were recovered from the mines

and blue-white agate and agate tubes

maroon plumes with a pink background

by Robert Simmons & Naisha Ahsianwith contributions by Hazel Raven

CHI108jr Chinese Agate, Middle-Class Mine Polished Slabs A thorough explanation of agatesThis specimen features brown, orange and green agate with small quartz center. 4 cm x 3. 5 cm x 2. 6 cm 2. 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