Chert / Jasper
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Chert / Jasper
Microcrystalline Quartz (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Limestone
Calcium Carbonate (CaCO3)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite
Limestone
Calcium Carbonate (CaCO3)
Smoky Quartz
Silicon Dioxide (SiO2)
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
Galena
Lead(II) sulfide (PbS)
Milky Quartz
Silicon Dioxide (SiO2)
Bornite
Bornite (Cu5FeS4)
Limonite and Goethite
Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))
Calcite
Calcite (Calcium Carbonate, CaCO3)
Chert (Chalcedony/Common Opal)
Microcrystalline Quartz (SiO2)
Flint (Chert)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
White Calcite (Dogtooth Spar or Crystalline Calcite)
Calcite (Calcium Carbonate, CaCO3)
Crushed Limestone
Sedimentary Calcium Carbonate (CaCO3)
Chert (Flint)
Microcrystalline Quartz (SiO2)
White Calcite
Calcium Carbonate (CaCO3)
Botryoidal Quartz
Silicon Dioxide (SiO2)
Limonite (Ironstone Concretion)
Limonite (Hydrous ferric oxide mixture, FeO(OH)·nH2O)
Limonite (Iron Stone/Ocher)
Limonite (FeO(OH)·nH2O)
Orange Calcite (likely polished specimen)
Calcite
Chert (or Jasper)
Microcrystalline Quartz (SiO2)
Sandstone (likely Ferruginous)
Sandstone (SiO2 with iron oxides)
Hematite
Iron(III) oxide (Fe2O3)
Limestone (Riprap)
Calcium Carbonate (CaCO3)
Limestone
Limestone (Calcium Carbonate - CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Banded Chert
Silicon Dioxide (SiO2)
Limestone
Sedimentary Limestone (Calcium Carbonate, CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone with Chert Nodules
Sedimentary Calcium Carbonate (CaCO3) with Microcrystalline Silica (SiO2) inclusions
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Chert (Nodule)
Microcrystalline quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limonite
FeO(OH)·nH2O (Hydrated iron oxide)
Smoky Quartz
SiO2 (Silicon Dioxide)