Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper (Quartzite)
Silicon Dioxide (SiO2) with iron oxide inclusions
Banded River Cobble with Mafic Dike
Hydrothermally altered Graywacke or Sandstone with Mafic Intrusion
Limonite (Iron Ore)
Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)
Quartz
Silicon Dioxide (SiO2)
Limonite after Pyrite (Prophecy Stone or Ironstone Concretion)
Goethite/Limonite pseudomorph after Pyrite/Marcasite (FeO(OH)·nH2O)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Goethite pseudomorph after Pyrite
Goethite (FeO(OH)) pseudomorph after Pyrite (FeS2)
Pyrite
Iron Sulfide (FeS2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Pyrite in Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Amethyst and Hematite Bracelet
Amethyst (SiO2) and Hematite (Fe2O3)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Unidentified Rock Fragment
Unknown
Jasper (Green)
Silicon dioxide (SiO2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
SiO2 (Silicon Dioxide)
Jasper
Jasper (Silicon Dioxide, SiO2)
Yellow Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
Jasper (Red Jasper)
Silicon Dioxide (SiO2) with Hematite inclusions
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Milky Quartz
Silicon Dioxide (SiO2)
Red Jasper
SiO2 (Silicon Dioxide with Iron inclusions)
Quartz
Silicon Dioxide (SiO2)
Red Jasper (Opaque Chalcedony)
Silicon Dioxide (SiO2) with Hematite inclusions
Limonite Pseudomorph after Pyrite
Goethite/Limonite FeO(OH)·nH2O replacing Pyrite FeS2
Jasper
Silicon dioxide (SiO2)
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
White Quartz Star-cut crystal
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions