Eclogite
Eclogite (Omphacite + Almandine-Pyrope Garnet)
Category
Browse anthropogenic (man made product subject to geological processes) specimens identified by the Rock Identifier community.
Eclogite
Eclogite (Omphacite + Almandine-Pyrope Garnet)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (SiO2 principal)
Milky Quartz
Silicon Dioxide (SiO2)
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Ironstone Nodules / Siderite Concretion
Siderite (FeCO3) / Ferruginous Septarian Concretion
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
Rose Quartz Beads
SiO2 (Silicon Dioxide with trace inclusions of Ti, Fe, or Mn)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Banded Iron Formation
Banded Iron Formation (BIF)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Quartz (Massive Quartz or Quartzite)
Silicon Dioxide (SiO2)
Sandstone (Yellow/Tan)
Clastic sedimentary rock (primarily SiO2 with iron oxide staining)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Small fragments)
Silicon Dioxide (SiO2)
Graphite
Graphite (Native Carbon, C)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Oak-grain Laminate (Industrial/Decorative Furniture Finish)
Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)
Jasper
Silicon Dioxide (SiO2) with impurities
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Travertine (Ceramic Tile)
Terrestrial Sedimentary Rock / Calcium Carbonate (CaCO3)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Rutilated Quartz
SiO2 with TiO2 inclusions (Quartz with Rutile)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Slag (Industrial Glass)
Artificial Vitreous Silicate
Pyrite
Iron Sulfide (FeS2)
Scoria (Lava Rock)
Scoria
Massive Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining and Matrix
Silicon Dioxide (SiO2)
Dendritic Agate
Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)