Rock Identifier

Category

Organic (Non Geological)

Browse organic (non geological) specimens identified by the Rock Identifier community.

Amber (Cherry Amber) (Succinite (C10H16O)) — Organic Gemstone

Amber (Cherry Amber)

Succinite (C10H16O)

Organic Gemstone

Chert (Flint variety) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Bull Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Bull Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Black Obsidian (Volcanic Glass (SiO2)) — igneous

Black Obsidian

Volcanic Glass (SiO2)

Obsidian (Obsidian (Volcanic Glass, complex silicate)) — igneous

Obsidian

Obsidian (Volcanic Glass, complex silicate)

Black Obsidian (Volcanic Glass (SiO2)) — igneous

Black Obsidian

Volcanic Glass (SiO2)

Synthetic Resin (Artificial Specimen) (Polyurethane or Polyester Resin) — mineraloid (man-made)

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

mineraloid (man-made)

Amber (Succinite (Fossilized Resin C10H16O)) — Organic Mineraloid

Amber

Succinite (Fossilized Resin C10H16O)

Organic Mineraloid

Man-made Blank Ammunition (Brass) (CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)) — Anticrystalline / Synthetic Alloy

Man-made Blank Ammunition (Brass)

CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)

Anticrystalline / Synthetic Alloy

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Fossilized Horn Coral (Order Rugosa (Rugose Coral)) — sedimentary

Fossilized Horn Coral

Order Rugosa (Rugose Coral)

Anthracite (Anthracite Coal) — sedimentary

Anthracite

Anthracite Coal

Cupronickel (on a 1981 Mexico 20 Pesos coin) (Copper-Nickel Alloy (Cu75Ni25)) — mineral

Cupronickel (on a 1981 Mexico 20 Pesos coin)

Copper-Nickel Alloy (Cu75Ni25)

Obsidian (Volcanic Glass (SiO2 rich)) — igneous

Obsidian

Volcanic Glass (SiO2 rich)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Pyrite (Pyrite (Iron sulfide, FeS₂)) — mineral

Pyrite

Pyrite (Iron sulfide, FeS₂)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Libyan Desert Glass (Libyan Desert Glass (SiO2 with trace elements)) — mineral (impactite)

Libyan Desert Glass

Libyan Desert Glass (SiO2 with trace elements)

mineral (impactite)

Fossiliferous Limestone (Calcite (CaCO3) with Bioclastic inclusions) — sedimentary

Fossiliferous Limestone

Calcite (CaCO3) with Bioclastic inclusions

Chert (Yellow Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Blue Goldstone (Aventurine Glass) — Man-made mineral simulant (Glass)

Blue Goldstone

Aventurine Glass

Man-made mineral simulant (Glass)

Obsidian (Volcanic Glass (Amorphous Silica)) — igneous

Obsidian

Volcanic Glass (Amorphous Silica)

Obsidian (Obsidian (Volcanic Glass, primarily SiO2)) — igneous

Obsidian

Obsidian (Volcanic Glass, primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Emerald in Matrix (Beryllium Aluminum Silicate (Be3Al2Si6O18) with Chromium/Vanadium impurities) — mineral

Emerald in Matrix

Beryllium Aluminum Silicate (Be3Al2Si6O18) with Chromium/Vanadium impurities

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Oak Wood (Wood Grain Pattern) (Quercus (genus)) — Organic (Non-rock)

Oak Wood (Wood Grain Pattern)

Quercus (genus)

Organic (Non-rock)

Synthetic Resin Charm (Seal Shape) (Polymer Resin with plastic glitter / Polyethylene terephthalate glitters) — Synthetic material (Not a rock or mineral)

Synthetic Resin Charm (Seal Shape)

Polymer Resin with plastic glitter / Polyethylene terephthalate glitters

Synthetic material (Not a rock or mineral)

Fossil Coral (Cnidaria Anthozoa (Fossilized)) — sedimentary

Fossil Coral

Cnidaria Anthozoa (Fossilized)

Blue Slag Glass (Amorphous Silica (Industrial byproduct)) — Antropogenic (Man-made glass byproduct)

Blue Slag Glass

Amorphous Silica (Industrial byproduct)

Antropogenic (Man-made glass byproduct)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Gold Ore in Matrix (Native Gold (Au) in Quartz/Limonite host rock) — mineral

Gold Ore in Matrix

Native Gold (Au) in Quartz/Limonite host rock

Glass / Silicon Dioxide (Man-made) (SiO2 (Amorphous Silicon Dioxide)) — Amorphous Solid

Glass / Silicon Dioxide (Man-made)

SiO2 (Amorphous Silicon Dioxide)

Amorphous Solid

Pearl (Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3) — mineral

Pearl

Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3

Chert (Jasper variety) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

N/A (Non-Geological Object) — N/A

N/A (Non-Geological Object)