Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Category
Man Made Metamorphic Style Composite
Browse man made metamorphic style composite specimens identified by the Rock Identifier community.
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Garnet
Garnet group species (likely Almandine, Fe3Al2(SiO4)3)
mineral
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz-rich rock, possibly milky quartz or quartzite
Quartz (silicon dioxide, SiO₂); if granular and foliated, likely quartzite
mineral
Ferruginous Sandstone (Ironstone)
Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)
sedimentary
Sandstone (specifically Arkose or Quartz Arenite)
Arenite (primarily SiO2 with possible Feldspar)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (Metamorphic rock primarily composed of SiO2)
metamorphic
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Limestone
Calcareous sedimentary rock (CaCO3)
sedimentary
Citrine
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Red Jasper (Quartzite)
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Synthetic Wolf Plush (Non-mineral)
Canis lupus similis (Prop material: Polyester & Synthetic fibers)
Synthetic material/Textile
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Iron-rich quartzite or ferruginous metamorphic rock
Quartzite, predominantly SiO₂, stained by iron oxides (hematite/goethite)
metamorphic
Red Sandstone
Arenite (with Iron Oxide / Hematite staining)
sedimentary
Magnetite-rich iron ore (probable magnetite schist)
Magnetite (Fe₃O₄) in a foliated metamorphic matrix, possibly magnetite–biotite schist
metamorphic
Greenstone / Greenstone Pebble
Greenschist (metamorphosed basalt or gabbro)
metamorphic
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Iron-rich quartzite or ironstone fragment
Quartzite dominated by quartz (SiO₂), with iron oxides such as hematite/goethite
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Citrine
Silicon Dioxide (SiO2) with iron impurities
gemstone
Mixed Quartz and River Pebbles (Stone Collection)
Mixed assortment containing mainly Silicon Dioxide (SiO2)
igneous, sedimentary, metamorphic, and mineral
Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
White Marble
Recrystallized Calcite (CaCO3)
metamorphic
Weathered quartz-rich rock, possibly sandstone or quartzite
Likely quartzite (mostly SiO₂), though a granular sandstone is also possible
metamorphic
Pink Quartzite
Quartzite (principally Silicon Dioxide, SiO2)
metamorphic
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
metamorphic
Oak-grain Laminate (Industrial/Decorative Furniture Finish)
Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)
not a rock (synthetic material)
Engineered Quartz
Silicon dioxide composite
manufactured stone
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Note: The image provided is a fabric sock, not a geological specimen.
Polyester-Cotton Blend with Elastane
Synthetic/Natural Fiber (Non-Geological)