CHI196jr Chinese Agate, Middle-Class Mine Books Pendant measures 21 mm x

Pendant measures 21 mm x 30 mm

along with numerous diagrams and illustrations

Its chemical formula is Be3Al2(Si16O18)

toward the end of the Mesozoic Era

CHI196jr Chinese Agate, Middle-Class Mine Books Pendant measures 21 mm xThis 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