A bright apple-green gem variety of chalcedony (quartz), colored by nickel. It's a stone of joy, optimism, and heart healing, promoting love, forgiveness, and attracting abundance.
Apple Green, Green, Yellowish-Green
Chrysoprase is classified as a tectosilicate minerals, quartz group, chalcedony variety mineral which typically crystallizes in the trigonal (quartz), monoclinic (moganite) system. Its chemical formula is SiO2. Common crystal habits include microcrystalline aggregates.