Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Man Made Conglomerate)
Browse sedimentary (man made conglomerate) specimens identified by the Rock Identifier community.
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Weathered conglomeratic river pebble
Polymictic conglomerate, likely ferruginous chert/sandstone matrix
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Chert Conglomerate (Potomac Puddle Stone)
Sedimentary Conglomerate with Iron-Oxide matrix
sedimentary
Conglomerate (or Breccia / Porphyry)
Clastic Sedimentary Rock (Conglomerate / Sandstone)
sedimentary
Pebble / Gravel
Clastic Sedimentary Specimen (likely Limestone or Quartzite base)
sedimentary
Weathered conglomerate pebble
Polymict conglomerate, likely ferruginous and quartz-rich
sedimentary
Green Agate
Silicon dioxide (SiO₂)
mineral
Conglomerate (Red Sandstone variety)
Clastic Sedimentary Rock (Conglomeratic Sandstone)
sedimentary
Rounded conglomeratic river pebble
Polymict conglomerate (lithified gravel), composition uncertain from image
sedimentary
Goldstone (aventurine glass)
Man-made copper-bearing glass; not a natural mineral (commonly sold as blue/brown goldstone)
mineral
Quartz Veined Breccia
Tectonic Breccia with Quartz Cement
sedimentary
Fragmented Sedimentary Pebble
Clastic Sedimentary Specimen
sedimentary
Agate (Puddingstone style)
Silicon Dioxide (SiO2) with impurities
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Chert (Yellow Jasper/Quartzite Pebble)
Microcrystalline Silicon Dioxide (SiO2)
sedimentary
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown
Man-made Object (Metal/Alloy)
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with synthetic dye
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Possible weathered basalt or slag fragment
Basalt, chiefly plagioclase and pyroxene; identification is uncertain from the image
igneous
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Chert Breccia
Brecciated Chert
sedimentary
Conglomerate (rounded-pebble rock)
Lithified polymictic conglomerate; clasts cemented by a finer mineral matrix
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Breccia
Breccia (Clastic sedimentary rock)
sedimentary
Polygenetic Conglomerate (Puddingstone)
Conglomerate (SiO2 matrix with mixed clasts)
sedimentary
Conglomeratic gravel / pebble-rich concrete-like rock
Polymictic conglomerate (likely an unconsolidated gravel surface; exact identification uncertain from the image)
sedimentary
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Sandstone and Conglomerate pebbles
Sedimentary clastic rock
sedimentary
Weathered iron-rich sandstone or conglomeratic sedimentary cobble
Ferruginous sandstone, possibly polymictic conglomerate
sedimentary
Quartz-rich breccia or conglomerate
Siliciclastic conglomerate/breccia, predominantly quartz and feldspar clasts in a rusty iron-oxide cement
sedimentary
Conglomeratic breccia
Clast-supported polymictic conglomerate/breccia, cemented by silica- or carbonate-rich matrix
sedimentary
Conglomerate with Quartz Pebble
Clastic Sedimentary Rock
sedimentary
River Pebble (Siltstone / Fine-grained Sandstone)
Sedimentary Pebble (Siliclastic)
sedimentary
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)
mineral
Man-made Carved Stone (Scream Mask/Skull motif)
Carved Soapstone or Serpentine-rich rock
Anthropogenic (Man-made artifact)
Brecciated rock (possibly fault breccia)
Polymictic breccia; exact lithology cannot be determined from the photograph
metamorphic
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Synthetic / Textile
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock