Banded Chert
Chert (a microcrystalline variety of quartz, SiO2 with minor impurities)
Category
Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.
Banded Chert
Chert (a microcrystalline variety of quartz, SiO2 with minor impurities)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2 with various lithic fragments)
Clear Quartz
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Shale
Shale (Lutite)
Sandstone
Arenite (SiO2 variety)
Shale
Fissile mudstone (rich in clay minerals and quartz)
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 predominantly)
Carbonate Beach Sand
Biogenic Carbonate Sediment (CaCO3)
Sandstone
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite
Sandstone
Arenite (SiO2 based)
Sandstone
Arenicola (comprising mostly Quartz, SiO2)
Engineered Quartz
Silicon dioxide composite
Sandstone
Arenite (primarily SiO2)
Oak-grain Laminate (Industrial/Decorative Furniture Finish)
Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Arkosic or Lithic Sandstone)
Arenite (SiO2 based with mineral inclusions)
Sandstone (with Chert/Quartzite)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (with potential iron-oxide staining)
Arenite (primarily SiO2)
Sandstone
Arenite (Clastic Sedimentary Rock)
Milky Quartz
Silicon Dioxide (SiO2)
Druzy Quartz on Matrix
Silicon Dioxide (SiO2)
Sandstone (Quartzite-leaning)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Limestone
Calcite (CaCO3)
Shale (or Mudstone)
Clay mineral aggregate / Fine-grained siliciclastic sedimentary rock
Sandstone
Sedimentary rock composed mainly of quartz sand
Tumbled jasper or brecciated jasper
Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide and dark mineral inclusions
Limestone (River Stone)
Calcium Carbonate (CaCO3)
Sandstone Pebble
Sandstone (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Dyed Blue Agate Slice
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (composed primarily of Quartz, SiO2)
Sandstone
Arenite (primarily composed of SiO2)
Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)
Calcite
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Digital Multimeter (Synthetic Object)
Digital Multimeter (DMM)