Almost Any Color Except Black
Agate Jasper, Banded Jasper, Basanite, Egyptian Jasper, Hornstone, Nunkirchner Jasper, Scenic Jasper, Silex
RI, SG, appearance and fracture; color filter reaction if dyed.
Can be any color or variety of colors except black or colors covered by other varieties. The opaque version of chalcedony. Misnomer: dyed blue jasper Swiss lapis or German lapisJasper is the opaque cryptocrystalline form of quartz (chalcedony) and are basically silica cement. Egyptian jasper: strongly yellow and red.Hornstone or chert: fine grained gray, brown-red and rarely green or black.Scenic jasper: iron oxide staining makes designs that give the appearance of landscapes.Silex: Yellow and brown-red spotted or striped. Brecciated Jasper: show cracks because they were broken by tectonic movement and then cemented back together.Orbicular Jasper: (Ocean or Poppy) show sphere or flower-like patters. Scenic Jasper: have a landscape like appearance.