Sandstone
Arenite (SiO2 based)
Category
Browse mineral (man enhanced) specimens identified by the Rock Identifier community.
Sandstone
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (predominantly SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2 with FeO(OH) impurities)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Arkosic or Quartzose)
Arenite (SiO2 based with mineral inclusions)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Shale
Fissile Mudrock (Clay-rich Sedimentary Rock)
Sandstone
Arenite (Siliclastic sedimentary rock)
Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities like Hematite and Chlorite, SiO2)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with impurities)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Diamond
Native Carbon (C)
Banded Agate (Chert/Chaldcedony)
Silicon Dioxide (SiO₂)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Quartz (Pink/Orange Variety)
Silicon Dioxide (SiO2)
Carnelian
Carnelian Chalcedony (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Red Jasper (possibly Carnelian)
Silicon Dioxide (SiO2) with Hematite impurities
Milky Quartz
Silicon Dioxide (SiO2)
Banded Agate (Botswana Agate)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Geode (with possible Manganese or Goethite coating)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony Nodule (Carnelian/Agate)
Chalcedony (Silicon Dioxide, SiO2)
Olivine-bearing Basalt / Scoria
Mafic Igneous Rock (primarily (Mg, Fe)2SiO4)
Obsidian
Volcanic Glass (SiO2)
Quartz (Quartzite Pebble)
Silicon Dioxide (SiO2)
Siderite Concretion (Nodule)
Iron Carbonate (FeCO3) Concretion
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide staining)