CHI196jr Chinese Agate, Middle-Class Mine Books along with numerous diagrams and

along with numerous diagrams and illustrations

Its chemical formula is Be3Al2(Si16O18)

Note: This is a representative image

toward the end of the Mesozoic Era

CHI196jr Chinese Agate, Middle-Class Mine Books along with numerous diagrams andThis is a polished specimen featuring yellow agate with a large white and black druzy filled vugg. 7. 8 cm x 9. 3 cm 0. 80 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