Smoky Quartz with Chert
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Secondary Classification For A Weathered Mineral Specimen)
Browse sedimentary (secondary classification for a weathered mineral specimen) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Secondary Classification For A Weathered Mineral Specimen) in the encyclopedia
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Gold Flakes (Placer Gold)
Gold (Au)
mineral
Botryoidal Chalcedony (Quartz Var.)
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt (Scoria)
Vesicular Basalt
igneous
Ironstone Concretion
Siderite or Hematite Concretion
sedimentary
Chert Conglomerate (or Breccia)
Sedimentary Clastic Rock (variety: Ferruginous Chert Breccia)
sedimentary
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Chert (Jasper influence)
Microcrystalline Quartz (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Orpiment
Orpiment (As2S3)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz - SiO2)
sedimentary
Mixed River Stones and Agates
Mixed Silicates and Ironstones (primarily SiO2 and Fe2O3)
sedimentary
Chert (Iron-Stained)
Silicon Dioxide (SiO2)
sedimentary
Ferruginous Sandstone Pebble
Arenite with Iron-Oxide Cement (SiO2 with Fe2O3/FeO(OH) staining)
sedimentary
Shale with Vein Infillings
Shale (a fine-grained clastic sedimentary rock). The veins could be Calcite (CaCO3), Quartz (SiO2), or other minerals.
Sedimentary Rock
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Igneous
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Sandstone Pebble
Arenite (primarily SiO2)
sedimentary
Ferruginous Sandstone (Iron-rich Sandstone)
Ferruginous Arenite
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
sedimentary
River Cobble (Sandstone)
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 variety)
sedimentary
Ferruginous Sandstone
Arenite with Hematite/Limonite cement
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone Cobble
Arenite (primarily Quartz Arenite)
sedimentary
Sandstone (Water-worn Pebble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper/Quartzite)
Microcrystalline Silicon Dioxide (SiO2)
sedimentary
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone (with carbonaceous plant fragments)
Arenite (composed primarily of SiO2)
sedimentary
Fossilized Shark Tooth
Carcharocles sp. (likely Lemon or Sand Tiger)
sedimentary
Hematite (beads)
Hematite (Fe₂O₃)
Mineral
Basalt with Weathering Rind
Mafic Volcanic Rock (Primarily Plagioclase and Pyroxene)
igneous
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
mineral
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Yellow Ochre / Limonite
Limonite (FeO(OH)·nH2O)
Mineral