Sphalerite
Zinc Sulfide (ZnS)
Category
Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.
Sphalerite
Zinc Sulfide (ZnS)
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Jasper (or possibly Agate/Chalcedony) beads
SiO2 (Silicon Dioxide)
Yellow Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
Jasper or Agate
Silicon dioxide (SiO2)
Red Sandstone
Arenite (Fe2O3 rich)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)
Limestone
Calcium Carbonate (CaCO3)
Mookaite Jasper
Silicon Dioxide (SiO2) - Radiolarite
Pebble
Lithified rock fragment / Sedimentary clast
Sandstone
Quartz Arenite / Clastic Sedimentary Rock
Sandstone and Mixed Rock Assemblage
Clastic Sedimentary Rock / Quartz Arenite
Sandstone and Gravel Aggregate
Clastic Sedimentary Rock / Quartzose Sandstone
Quartz-veined Limestone
Sedimentary limestone with quartz/calcite veinlets
Fossiliferous Sandstone
Sedimentary rock containing invertebrate fossils
Sandstone
Clastic sedimentary rock (Quartz arenite)
Ferruginous Sandstone (River Pebble)
Clastic Sedimentary Rock (Iron-rich)
Sandstone
SiO2 (predominantly quartz sand)
Sandstone
Quartz Arenite / Sedimentary Rock
Sandstone
Sedimentary Rock (Quartz arenite)
Sandstone
Sedimentary Rock (Quartz Arenite)
Coquina / Fossiliferous Limestone
Fossiliferous Limestone (CaCO3)
Sandstone (likely Ferruginous)
Arenite with Iron Oxide cement
Coal (Bituminous / Anthracite)
Organic Sedimentary Rock (Carbonaceous Rock)
Sandstone
Sandstone (lithified sand)
Sandstone with Hematite staining
Arenite with Fe2O3 inclusions
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Hematite/Limonite oxides)
Sandstone (Ferruginous)
Arenite (with iron oxide cement)
Fossilized Bone Fragment
Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)
Shiva Lingam
Cryptocrystalline Quartz (Jasper) with Iron Oxide inclusions
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone with possible fossil inclusions
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Sedimentary rock with quartz veining
Laminated siltstone or mudstone with hydrothermal quartz veins