Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse man made byproduct (non geological) specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Bauxite (Aluminum Ore)
Hydrated aluminum oxides, primarily Al(OH)3, AlO(OH)
Vanadinite
Lead Chlorovanadate - Pb5(VO4)3Cl
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Rose Quartz
SiO2 (Silicon Dioxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Fossilized Coral (Petoskey Stone or Rugose Coral)
Antophyllum (Hexagonaria) or Scleractinia (CaCO3)
Dendritic Opal (Merlinite)
Hydrated Silica with Manganese/Iron oxide inclusions (SiO2·nH2O)
Pink Quartz (Inclusion-filled)
Silicon Dioxide (SiO2)
Sandstone (Red)
Arenite (primarily Quartz, SiO2, with Iron Oxide cement)
Sandstone
Arenite (composed primarily of Quartz, SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzite Pebble)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with iron oxide cement, Fe2O3)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
Sandstone
Arenite (primarily SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartz (Quarzite or Massive Quartz vein)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Sandstone (likely Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Quartz
Silicon Dioxide (SiO2)
Dendritic Agate or Tree Agate
Silicon Dioxide (SiO2) with impurities of manganese or iron oxide
Amethyst Geode/Cluster
Quartz (SiO2) - variety Amethyst
Chert Pebble (Jasperoid/Flint)
Silicon Dioxide (SiO2) - cryptocrystalline quartz
Carnelian
Carnelian (Silicon Dioxide - SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite (SiO2 primarily)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2 with FeO(OH) impurities)
Quartz Vein in Metamorphic Rock
Silicon Dioxide (SiO2) within Metasedimentary host
Sandstone
Arenite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Ocean Jasper (Orbicular Jasper)
Orbicular Rhyolite (SiO2)
Chert (Green variety)
Silicon Dioxide (SiO2)
Quartzite with Iron Inclusions
Quartzite (primarily SiO2 with Fe2O3 impurities)
Jasper (specifically Yellow Jasper and Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Fluorite (likely)
Calcium Fluoride (CaF2)
Granite
Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica)
Tree Agate
Silica (SiO2) with Chlorite inclusions