Banded Sandstone
Arenite with Liesegang banding
sedimentary
Category
Anthropogenic (Human Made) Sedimentary Like Material
Browse anthropogenic (human made) sedimentary like material specimens identified by the Rock Identifier community.
Learn about Anthropogenic (Human Made) Sedimentary Like Material in the encyclopedia
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Chert (Arrowhead Fragment)
Silicon Dioxide (SiO2)
sedimentary
Chert Arrowhead (Lithic Artifact)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Arrowhead artifact)
Chert (Cryptocrystalline Silica, SiO2)
sedimentary
Chert (specifically Jasper or Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
SiO2 (Microcrystalline Quartz)
sedimentary
Goldstone
Aventurine Glass (Man-made)
mineral
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
anthropogenic sedimentary (technolith)
Chert (Arrowhead or Flake)
Microcrystalline quartz (SiO2)
sedimentary
Chert (often called Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (specifically Flint)
Chert (SiO2)
sedimentary
Crushed Stone / Gravel
Aggregatus saxum (variable mineral composition)
sedimentary
Not a geological specimen
N/A (man-made object)
N/A
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Pet Rock (Man-made Quartzite or Granite Cobble)
Silicon dioxide (SiO2) mixture; commonly composed of Quartz, Feldspar, and Mica
igneous or metamorphic (base stone); anthropogenic (decoration)
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Green Sea Glass
Man-made vitreous material (silica glass)
gemstone
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
sedimentary
Sea Glass
Man-made silicate glass
sedimentary
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Sedimentary
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
sedimentary (anthropogenic/man-made conglomerate)
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Sea Glass
Man-made silicate glass weathering product
sedimentary
Polished/tumbled brown-and-white mineral fragment
Indeterminate; possibly quartz-rich jasper, brecciated jasper, or an iron-stained quartz mineral
mineral
Chert (Flint / Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Chert Arrowhead (Lithic Artifact)
Microcrystalline Quartz (SiO2)
sedimentary
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert Arrowhead
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Chert (often called Flint)
Chert (SiO2)
sedimentary
Painted River Pebble (likely Basalt or Greywacke)
Aphanitic Lithic Clast with Anthropogenic Pigment coating
Sedimentary or Igneous
Slag Glass (Leland Blue variant)
Anthropogenic Vitreous Silicate
mineral
Chert (Arrowhead Fragment)
Silicon Dioxide (SiO2)
sedimentary
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)