Asphalt (Bituminous Concrete)
Bituminous Concrete / Pavement
man-made (synthetic rock)
Category
Man Made Rock (Sedimentary Analogue)
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Learn about Man Made Rock (Sedimentary Analogue) in the encyclopedia
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Eroded Brick or Pumice-like Scoria
Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)
igneous
Ferrous Slag (Iron Smelting By-product)
Fused Siliceous Slag
Anthropogenic Material (Man-made Rock)
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
igneous
Coquina
Coquina (Bioclastic Limestone)
sedimentary
Granite
Phaneritic plutonic felsic rock
igneous
Quartzite
Metamorphic Rock (Mainly SiO2)
metamorphic
Chert / Yellow Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
man-made/construction material
Chalk
Calcium Carbonate (CaCO3)
sedimentary
Slag (Industrial Glass/Metal)
Ferrous slag or Glassy silicate byproduct
Antropogenic rock (Man-made)
Granodiorite
Intrusive Igneous Rock
igneous
Quartz Pebble (Beach Chalcedony)
Silicon Dioxide (SiO2)
mineral
Granite
Felsic intrusive igneous rock
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (composed of orthoclase, quartz, and plagioclase)
igneous
Sandstone
Arenite
sedimentary
Flint/Chert Nodule in Limestone
Sedimentary rock containing microcrystalline quartz (SiO2) within a calcium carbonate (CaCO3) matrix
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Turquoise (likely stabilized or simulated Howlite)
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
mineral
Greenstone
Metabasalt / Metavolcanic rock
metamorphic
Blue chalcedony cabochon (probable)
Chalcedony, a cryptocrystalline variety of quartz; silicon dioxide, SiO₂
gemstone
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Diabase (Dolerite)
Diabase
igneous
Granite
Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Basalt
Basalt
igneous
Sandstone
Arenite
sedimentary
Slate
Metamorphic Pelitic Rock
metamorphic
Basalt
Basalt
igneous
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
metamorphic (man-made/anthropogenic)
Granite
Phaneritic Felsic Igneous Rock
igneous
Fossiliferous Limestone
Limestone (composed primarily of calcite with included fossils CaCO3)
Sedimentary
Cobalt Glass Slug (Man-made Glass)
Amorphous Silica with Cobalt Oxide (SiO2 + CoO)
mineraloid
Marble
Marble (metamorphosed limestone or dolostone), primarily composed of calcite (CaCO3) or dolomite (CaMg(CO3)2)
metamorphic
Granodiorite
Phaneritic Plutonic Intermediate-Felsic Rock
igneous
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Mineraloid (Synthetic/Man-made)
Granite
Granite (plutonic igneous rock)
igneous
Fossil Shark Tooth
Lamniform (Mackerel Shark) fossil tooth, likely Otodus or Cretalamna
fossil
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
gemstone
Quartz (Pebble)
Quartz (SiO₂)
Mineral
Marble
Metamorphic Limestone (CaCO3)
metamorphic
Nickel coin (U.S. currency)
Cupronickel (75% Copper, 25% Nickel alloy)
man-made alloy (metallic)