Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Category
Browse sedimentary (man made conglomerate) specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Piddock bored rock (likely Mudstone or Shale)
Ichnofossil (Gastrochaenolites borings) in Fine-grained Sedimentary Rock
Red Jasper
Silicon Dioxide (SiO2)
Limestone
Calcareous sedimentary rock (CaCO3)
Dendritic Agate or Manganese Nodule in Chert/Limestone
Silicon Dioxide (SiO2) with Manganese Oxide (MnO2) inclusions
Red Jasper (River Stone)
Jasper (Silicon Dioxide, SiO2 plus iron oxide inclusions)
Blue Chalcedony
Chalcedony (cryptocrystalline Silicon Dioxide, SiO2)
Agate (Nodule/Chert)
Silicon Dioxide (SiO2)
Fairburn Agate / Agate-bearing Breccia
Cryptocrystalline Quartz (SiO2) within Jasper/Breccia matrix
Sandstone (Quartzose)
Arenite (Formula: SiO2 primary, with various cements)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Sandstone (Flagstone)
Arenite (composed primarily of SiO2)
Sandstone with Calcite Vein
Clastic sedimentary rock (primarily SiO2) with Calcium Carbonate (CaCO3) infilling
Sandstone (River Rock)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Shale with Vein Infillings
Shale (a fine-grained clastic sedimentary rock). The veins could be Calcite (CaCO3), Quartz (SiO2), or other minerals.
Sandstone
Arenite (primarily Quartz, SiO2)
Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Limonite/Hematite over Sandstone)
Limestone
Calcium Carbonate (CaCO3)
Celestite (Celestine) Geode
Strontium Sulfate (SrSO4)
Limonite with Hematite
Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz and/or feldspar)
Crushed Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone (with Feldspathic/Arkose qualities)
Arenite (primarily SiO2 with KAlSi3O8 components)
Sandstone
Arenite
Sandstone
Clastic Sedimentary Rock (composed mostly of SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Ferruginous Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Limestone (specifically Marl or Chalk)
Calcium Carbonate (CaCO3)
Sandstone (specifically Arkose or Ferruginous Sandstone)
Sandstone (SiO2 with iron oxide inclusions)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)