Conglomerate
Conglomerate (a clastic sedimentary rock)
Category
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Tumbled Agate
Silicon dioxide (SiO2)
Sandstone
Arenite (Siliclastic sedimentary rock)
Sandstone
Arenite
Conglomerate
Conglomerate (clastic sedimentary rock)
Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)
Chalcedony (SiO₂)
Limestone
Calcareous sedimentary rock (CaCO3)
Fossiliferous Limestone
Sedimentary Calcium Carbonate (CaCO3)
River Pebble (Granitic Sandstone)
Clastic sedimentary rock (Lithic Arenite)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Beaded Jewelry (Assorted Gemstones)
Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ
Sandstone Pebble with Mineral Encrustation
Quartz Sandstone with Calcite/Halite Crust
Sandstone
Arenite (SiO2 based)
Sandstone
Quartz Arenite / Sedimentary Rock
Sandstone
Sedimentary Rock (Quartz arenite)
Sandstone
Sedimentary Rock (Quartz Arenite)
Sandstone
Sandstone (clastic sedimentary rock composite)
Gneiss Pebble
Gneiss
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Jasper with Quartz Vein
Microcrystalline quartz (SiO2) with impurities
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Sandstone
Sedimentary rock composed mainly of quartz sand grains
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily Quartz and Feldspar)
Caribbean Calcite
Calcium Carbonate with Argonite (CaCO3)
Sandstone
Arenite (SiO2 based)
Sandstone (Pebble)
Arenite (composed primarily of SiO2)
Agate (Common Chalcedony)
Silicon Dioxide (SiO2)
Sandstone
Arenite
Agate
Silicon Dioxide (Chalcedony), SiO2
Brown Jasper (Tumbled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartz Geode
Silicon Dioxide (SiO2) in Host Rock
Geode (Chert or Quartz Nodule)
Silicon Dioxide (SiO2)
Sandstone
Sandstone (Arenite)
Chalcedony Geode Fragment
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Shale
Mudrock / Fissile Shale
Limestone
Calcium Carbonate (CaCO3)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Silica (SiO2)