Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Category
Browse mineral, often found as a rock specimens identified by the Rock Identifier community.
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Chert nodules
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Limonite
Hydrous Iron Oxide (often Goethite FeO(OH), Lepidocrocite γ-FeO(OH), and other amorphous iron oxyhydroxides)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Grey Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Unakite
Altered Granite (Orthoclase Feldspar, Epidote, and Quartz)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Granite Pebble
Intrusive Felsic Igneous Rock (Granite)
Basalt
Mafic Igneous Rock
Chert (specifically Yellow Jasper variety)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Siliceous Mudstone variant)
Microcrystalline quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Rhodochrosite with Quartz
Manganese Carbonate (MnCO3) with Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Garnet (Almandine)
Almandine Fe3Al2(SiO4)3
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Laterite
Laterite (no specific mineral formula as it's a rock type)
Magnetite
Magnetite (Fe3O4)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky or Rose variety)
Silicon Dioxide (SiO2)
Banded Jasper
Silicon Dioxide (SiO2) with impurities
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Chert (containing Iron Oxide)
Microcrystalline Quartz (SiO2)
Unakite
Unakitized granodiorite / Quartz-Epidote-Feldspar rock
Orange Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)