Rock Identifier

Category

Sedimentary (Processed Mineral Product)

Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Processed Mineral Product) in the encyclopedia

Coal

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Glauconite

Breccia

Hutcheonite

Halite

Ironstone

Sperrylite

Baddeleyite

Anatase

Brookite

Gypsum Wallboard (Drywall) (Hydrous calcium sulfate (CaSO4·2H2O)) — sedimentary (processed mineral product)

Gypsum Wallboard (Drywall)

Hydrous calcium sulfate (CaSO4·2H2O)

sedimentary (processed mineral product)

Dyed Agate (Silicon dioxide, SiO2) — Mineral (Chalcedony)

Dyed Agate

Silicon dioxide, SiO2

Mineral (Chalcedony)

Slag (Ferrous slag (by-product of iron smelting)) — Mineraloid / Anthropogenic

Slag

Ferrous slag (by-product of iron smelting)

Mineraloid / Anthropogenic

Quartz River Stone (Silicon Dioxide (SiO2)) — sedimentary

Quartz River Stone

Silicon Dioxide (SiO2)

Hematite / Red Ochre (Iron Ore) (Hematite (Fe2O3)) — mineral

Hematite / Red Ochre (Iron Ore)

Hematite (Fe2O3)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Popcorn (Zea mays everta (P. Wilson) (Botanical name for the corn variety)) — Organic/Biogenic

Popcorn

Zea mays everta (P. Wilson) (Botanical name for the corn variety)

Organic/Biogenic

Tumbled stone (Unknown) — mineral

Tumbled stone

Unknown

Goethite (Goethite (alpha-FeO(OH))) — mineral

Goethite

Goethite (alpha-FeO(OH))

Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

Clear quartz chips (Quartz (silicon dioxide, SiO₂)) — mineral

Clear quartz chips

Quartz (silicon dioxide, SiO₂)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Magnesite or Howlite (dyed or naturally patterned) (Magnesium carbonate (MgCO3) or Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Magnesite or Howlite (dyed or naturally patterned)

Magnesium carbonate (MgCO3) or Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Dyed Cracked Agate (Silicon Dioxide (Quartz variety, SiO2)) — gemstone

Dyed Cracked Agate

Silicon Dioxide (Quartz variety, SiO2)

Pyrite with Limonite/Goethite Alteration (Pseudomorph) (Iron Sulfide (FeS2) transitioning to Hydrated Iron Oxides (FeO(OH)·nH2O)) — mineral

Pyrite with Limonite/Goethite Alteration (Pseudomorph)

Iron Sulfide (FeS2) transitioning to Hydrated Iron Oxides (FeO(OH)·nH2O)

Hematite Beads (Hematite (Fe2O3)) — Mineral

Hematite Beads

Hematite (Fe2O3)

Hematite (Iron(III) oxide, Fe2O3) — mineral

Hematite

Iron(III) oxide, Fe2O3

Mixed Tumbled Gemstones (Agate, Aventurine, Pyrite, etc.) (Multiple (principally Silicon Dioxide SiO2 and Iron Disulfide FeS2)) — mineral

Mixed Tumbled Gemstones (Agate, Aventurine, Pyrite, etc.)

Multiple (principally Silicon Dioxide SiO2 and Iron Disulfide FeS2)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Limestone Concretion (Calcium Carbonate Concretion (CaCO3)) — sedimentary

Limestone Concretion

Calcium Carbonate Concretion (CaCO3)

Limonite (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O) — mineral

Limonite

Hydrated iron oxide-hydroxide, FeO(OH)·nH2O

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Limonite (FeO(OH)•nH2O) — mineral

Limonite

FeO(OH)•nH2O

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Mixed polished river stones (Likely quartz, quartzite, chert/jasper, and possibly limestone or marble) — mineral

Mixed polished river stones

Likely quartz, quartzite, chert/jasper, and possibly limestone or marble

Mixed river pebbles, likely including quartz-rich rocks (Unidentified mixed lithologies; the pale pieces appear quartz- or feldspar-rich, but the image is insufficient for a specific identification) — sedimentary

Mixed river pebbles, likely including quartz-rich rocks

Unidentified mixed lithologies; the pale pieces appear quartz- or feldspar-rich, but the image is insufficient for a specific identification

N/A - Non-Geological Item — not a rock/mineral

N/A - Non-Geological Item

not a rock/mineral

Quartz Vein Rock (Silicon Dioxide (SiO2)) — mineral

Quartz Vein Rock

Silicon Dioxide (SiO2)

Limonite / Ironstone Concretion (Hydrated Iron Oxide (FeO(OH)·nH2O)) — sedimentary

Limonite / Ironstone Concretion

Hydrated Iron Oxide (FeO(OH)·nH2O)

Black tumbled stone, likely hematite (Hematite (Fe₂O₃); identification is uncertain from the image alone) — mineral

Black tumbled stone, likely hematite

Hematite (Fe₂O₃); identification is uncertain from the image alone

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

N/A (Non-Geological Object) — N/A

N/A (Non-Geological Object)

Hematite (likely Botryoidal or Specularite variant) (Iron(III) oxide (Fe2O3)) — mineral

Hematite (likely Botryoidal or Specularite variant)

Iron(III) oxide (Fe2O3)

Rhodonite (Rhodonite (Mn2+SiO3)) — mineral

Rhodonite

Rhodonite (Mn2+SiO3)

Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)

Slag — industrial by-product

Slag

industrial by-product

Build-A-Bear Plush (Non-Geological) (Polyester fibers (C10H8O4)n and Synthetic Polymers) — Anthropogenic / Non-mineral

Build-A-Bear Plush (Non-Geological)

Polyester fibers (C10H8O4)n and Synthetic Polymers

Anthropogenic / Non-mineral

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Small yellow mineral specimen (possibly sulfur) (Unidentified; appearance alone is insufficient to confirm sulfur) — mineral

Small yellow mineral specimen (possibly sulfur)

Unidentified; appearance alone is insufficient to confirm sulfur

Opalite (Synthetic Glass (Amorphized Silicon Dioxide)) — mineraloid

Opalite

Synthetic Glass (Amorphized Silicon Dioxide)

Dyed Agate (Silicon Dioxide (SiO2) - Chalcedony variety) — sedimentary

Dyed Agate

Silicon Dioxide (SiO2) - Chalcedony variety