Red Jasper
Silicon Dioxide (SiO2) containing Iron Oxide inclusions
Category
Browse industrial by product specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) containing Iron Oxide inclusions
Diamond
Carbon (C)
Limestone
Calcium Carbonate (CaCO3)
Diamond
Native Carbon (C)
Diamond (Faceted)
Carbon (C)
Magnetite (in matrix)
Magnetite (Fe3O4)
Basalt
Mafic Igneous Rock
Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
Limonite / Ironstone
Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (Flint)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
Diamond
Carbon (C)
Basalt with minor mineral crusting
Sideromelane / Extrusive Igneous Rock
Chert (Flint)
Chert (SiO2)
Ruby
Corundum (Al2O3)
Pegmatite
Granitic Pegmatite
Granite Pegmatite
Phaneritic Felsic Igneous Rock (Granite)
Diamond
Diamond (C)
Quartz (specifically a water-worn river pebble)
Silicon Dioxide (SiO2)
Quartzite
Metamorphic Quartzite (predominantly SiO2)
Pumice
Vesicular volcanic glass
Quartz Geode
Silicon Dioxide (SiO2)
Rough Sapphire
Corundum (Al2O3)
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Agate
Agate (Microcrystalline Quartz, SiO2)
Rough Diamond
Native Carbon (C)
Serpentinite
Serpentine rock (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4
Citrine (Iron-stained Quartz)
Silicon Dioxide (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Quartz (Variety: Citrine or Tumbled Chalcedony)
Silicon Dioxide (SiO2)
Aragonite Star Cluster
Aragonite (Sputnik habit) - CaesarCO3
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Chert (Arrowhead Debitage or Spall)
Silicon Dioxide (SiO₂)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz with Dendritic Inclusions
Silicon Dioxide (SiO2)
Chalcedony (specifically Agate or Common Opal variety)
Cryptocrystalline Silica (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (specifically Flint or Novaculite variant)
Chert (Microcrystalline Quartz, SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Quartzite with Sandstone/Iron staining
Metamorphic Quartzite (SiO2)