Jasper
Silicon dioxide, SiO2
Category
Browse mineralish (variety of chalcedony) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide, SiO2
Red Jasper
Silicon Dioxide (SiO2)
Jasper or Chalcedony
Microcrystalline Quartz (SiO2)
Fancy Jasper
Silicon Dioxide (SiO2)
Bloodstone (Heliotrope)
Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite
Ocean Jasper
Silicon dioxide with impurities (SiO2 + impurities)
Blue Chalcedony
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper and Chalcedony Composite
Silicon Dioxide (SiO2) microcrystalline quartz
Chalcedony Geode Fragment
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2) with iron oxide impurities
Jasper (Cream/Yellow variety)
Silicon dioxide (SiO2)
Tumbled jasper, likely picture jasper or brecciated jasper
Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Jasper pebble (Yellow/Brown Jasper)
Silicon Dioxide (Microcrystalline Quartz, SiO2 with Iron Oxide impurities)
Jasper
Silicon dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper (Green Jasper / Chert)
Silicon Dioxide (SiO2) with iron/clay inclusions
Yellow Jasper
Silicon Dioxide (SiO2)
Jasper Pendant
Silicon dioxide (SiO2) with impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Carnelian Agate
Carnelian (Silicon Dioxide: SiO2)
Bloodstone
Heliotrope
Chalcedony
Silicon Dioxide (SiO2)
Chrysoprase
Chalcedony (cryptocrystalline silica containing nickel); Chemical Formula: SiO2 with Ni impurities
Polished brecciated jasper
Jasper, microcrystalline quartz (SiO₂), with iron-oxide and pale silica-rich fragments
Jasper (Green Jasper/Heliotrope variety)
Silicon Dioxide (SiO2)
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2)
Chrysoprase
Silicon dioxide with nickel impurities (SiO2 + Ni)
Tumbled agate or chalcedony
Microcrystalline quartz (SiO₂), likely brown/orange chalcedony or agate
Polished carnelian/chalcedony pebble
Microcrystalline quartz (SiO₂), likely iron-stained chalcedony
Chalcedony (Agate Pebble)
Microcrystalline Quartz (SiO2)
Flower Agate
Silicon Dioxide (SiO2) with Chalcedony inclusions
Chalcedony
Silicon Dioxide (SiO2)
Honey/brown agate (chalcedony)
Microcrystalline quartz, SiO₂; likely translucent agate or chalcedony
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Polished orange agate or chalcedony
Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/agate
Tumbled carnelian (likely)
Orange-red chalcedony, microcrystalline quartz (SiO₂)