CHI216jr Chinese Agate, Middle-Class Mine Aquamarine The chemical formula for selenite

The chemical formula for selenite is O3Se-2

A thorough explanation of agates and why they are unique

chalcedony and turquoise

sagenite inclusions

60 lbs / 1

CHI216jr Chinese Agate, Middle-Class Mine Aquamarine The chemical formula for seleniteThis is a polished specimen featuring some crystal sections among earthy reddish brown agate. 5. 8 cm x 6. 3 cm 0. 26 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