Amber
Succinite (Fossilized Resin)
Category
Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.
Amber
Succinite (Fossilized Resin)
Sandstone Cobble with Liesegang Rings
Arenite with iron oxide precipitation (SiO2 matrix with Fe2O3 banding)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite or Iron Hydroxide inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Orange Calcite (Polished Sphere)
Calcium Carbonate (CaCO3)
Petrified Wood
Silicified wood (primarily Silicon Dioxide, SiO2)
Picture Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Pink Rhodonite
Manganese Silicate (MnSiO3)
Green Calcite (often commercially called Green Onyx)
Calcium Carbonate (CaCO3)
Red Jasper (Opaque Chalcedony)
Jasper / Silicon Dioxide (SiO2) with Ferric Iron inclusions
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants
Laterite
Laterite (no specific mineral formula as it's a rock type)
Opalite
Synthetic Opalite Glass (Silicon Dioxide)
Fossiliferous Chert (with Brachiopod or Mollusk fragments)
Silicon dioxide (SiO2) with Calcium Carbonate (CaCO3) inclusions
Petrified Wood
Silicified Wood (primarily SiO₂ / Silicon Dioxide)
Red Jasper
Red Jasper (SiO2 with Fe2O3 impurities)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
Green Calcite
Calcium Carbonate (CaCO3)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Dolomite on Prehnite (Saddle-shaped Dolomite)
Dolomite [CaMg(CO3)2] on Prehnite [Ca2Al(AlSi3O10)(OH)2]
Druzy Quartz on Milky Quartz
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Carnelian
Carnelian (variety of Chalcedony, SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Hematite/Limonite) inclusions
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)
Honey Calcite
Calcium Carbonate (CaCO3)
Precious Opal
Hydrated amorphous silica (SiO2·nH2O)
Ruby in Zoisite
Ruby (Corundum, Al2O3) in Zoisite (Calcium aluminum silicate hydroxide, Ca2Al3(SiO4)3(OH)) with some Hornblende
Coarse-grained Jasper or Jasper Conglomerate
Silicon Dioxide with Iron Oxide (SiO2) + Fe2O3
Zebra Jasper
Silicon Dioxide (SiO2) - Macro-crystalline Quartz/Chert with impurities
Green Banded Chert (Agate/Jasper)
Silicon Dioxide (SiO2) with trace impurities of Chlorite or Glauconite
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite (formerly believed to be Jasper)
River Rock (River Cobbles)
Fluvial Conglomerate Clasts (primarily composed of various minerals such as Quartz, SiO2)
River Cobble (Quartzite-rich Sandstone)
Clastic Sedimentary Rock (Litharenite/Quartzite transition)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Sedimentary or Igneous Matrix
Travertine (often colloquially called Tufa)
Chemical Sedimentary Calcium Carbonate (CaCO3)
Jasper with Iron Staining
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) impurities
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions), SiO2 + Fe2O3
Quartz Pebble
Silicon Dioxide (SiO2)