Limestone
Calcareous sedimentary rock (primarily CaCO3)
Category
Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.
Limestone
Calcareous sedimentary rock (primarily CaCO3)
Petrified Wood
Silicified wood (primarily Silicon Dioxide, SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
Crushed Limestone
Calcium Carbonate (CaCO3)
Limestone Cobble
Sedimentary Calcium Carbonate (CaCO3)
Sandstone with Lichen
Arenite (SiO2 based) with biological weathering
Fossiliferous Limestone
Biogenic Calcium Carbonate (CaCO3)
Zebra Jasper
Tektite variety of Silicon Dioxide (SiO2) with inclusions
Rhodochrosite
Manganese carbonate (MnCO3)
Limestone (Flagstone)
Fossiliferous Limestone (CaCO3)
Shale
Fissile Mudrock (Clay-rich Sedimentary Rock)
Jasper
Silicon dioxide (SiO2) with impurities
Rhodochrosite
Manganese Carbonate (MnCO3)
Rhodochrosite
Manganese carbonate (MnCO3)
Red Jasper
Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)
Red Jasper
Jasper (Silicate mineral - SiO2)
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Rhodochrosite
Manganese carbonate (MnCO3)
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Limestone (River Pebble)
Sedimentary Calcium Carbonate (CaCO3)
Rhodochrosite
Manganese carbonate (MnCO3)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Rhodochrosite
Manganese Carbonate (MnCO3)
Leopard Skin Jasper
Rhyolite (Silicon Dioxide - SiO2 with impurities)
Brown Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Rhodochrosite
Manganese carbonate (MnCO3)
Lava Stone and Chakra Beads
Basalt (with various mineral/synthetic beads)
Pumice
Pumice (Amorphous volcanic glass)
Red Jasper
Silicon dioxide (SiO2) with iron inclusions
Dalmatian Stone
Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Limonite inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper (Skull Carving)
Jasper, a cryptocrystalline variety of Quartz (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)