Limestone
Calcium Carbonate (CaCO3)
sedimentary
Category
Sedimentary Rock (Metamorphosed)
Browse sedimentary rock (metamorphosed) specimens identified by the Rock Identifier community.
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Flint (Chert)
Silicon Dioxide (SiO2)
sedimentary
Fossiliferous Limestone
Limestone with fossil inclusions (CaCO3)
sedimentary
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Kyanite
Kyanite (Al2SiO5)
mineral
Blue Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Chert (Flint)
Microcrystalline silica (SiO2)
sedimentary
Hematite
Hematite, Iron(III) oxide (Fe2O3)
mineral
Chalcedony with Matrix
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
mineral
Celestine (or Celestite)
Strontium sulfate (SrSO4)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chalcedony (Common Opal variant)
Silicon dioxide (SiO2) with varying levels of hydration
mineral
Mica Schist
Schist (Muscovite/Biotite Schist)
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Garnet (specifically Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Variscite in Matrix
Variscite (AlPO4 · 2H2O)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chalcedony (Botryoidal Agate)
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
sedimentary
Carnelian
Carnelian (SiO2 variant)
mineral
Cinnabar
Mercury(II) sulfide (HgS)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Potassium Feldspar and Quartz
KAlSi3O8 (Potassium Feldspar) and SiO2 (Quartz)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Ruby in Zoisite
Anyolite (Ruby in Zoisite)
metamorphic
Pyrite (Fool's Gold) Cube
Iron Sulfide (FeS2)
mineral