Red jasper. This semi-precious mineral is mainly made up of chalcedony (a type of quartz). Its reddish colour comes from the presence of other mineral


Red jasper. This semi-precious mineral is mainly made up of chalcedony (a type of quartz). Its reddish colour comes from the presence of other minerals such as haematite (iron oxide).


Size: 4516px × 3123px
Photo credit: © TH FOTO-WERBUNG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: chalcedony, cut, dioxide, geology, jasper, mineral, polished, quartz, red, rock, semi-precious, silicon, stone