Sandstone (Quartzose)
Arenite (primarily SiO2)
Category
Browse synthetic material (not a rock or mineral) specimens identified by the Rock Identifier community.
Sandstone (Quartzose)
Arenite (primarily SiO2)
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities), SiO2
Sandstone
Arenite (SiO2 based)
Man-made Crystal (Lead Glass)
Lead oxide-doped Silica Glass (approx. SiO2 + PbO)
River Rock / Stream Pebble
Fluvial Clast / Rounded Sedimentary Particle
Sandstone
Arenite (primarily SiO2)
Bicolor Quartz Pebble
Silicon Dioxide (SiO2) with mineral inclusions
Sandstone
Arenite (SiO2 based)
Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)
Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone (Greywacke/Siltstone variant)
Clastic Sedimentary Rock (composed primarily of Quartz SiO2 and Feldspar)
Rose Quartz
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Hematite
Iron(III) oxide (Fe2O3)
Red Sandstone
Arenite (primarily Quartz with Iron Oxide)
Sandstone
Sandstone (clastic sedimentary rock)
Banded Sandstone
Arenite with Liesegang banding
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone (Weathered)
Arenite (primarily SiO2)
Sandstone (clastic)
Clastic Sedimentary Rock (primarily composed of SiO2)
Sandstone (with potential Arkose/Lithic characteristics)
Arenite (Sedimentary rock composed of sand-sized grains)
Slag
Metallurgical by-product
Sandstone (likely Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 based)
Sandstone (likely Ferruginous)
Sandstone (SiO2 with iron oxides)
Ferruginous Sandstone (Ironstone)
Clastic sedimentary rock (SiO2 with Fe2O3/FeO(OH) cement)
Sandstone
Arenite (SiO2 based with primary clasts 0.0625 to 2 mm)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Red Sandstone)
Arenite (SiO2 based with Fe2O3 staining)
Biotite Schist (likely)
Biotite Schist (rock), Biotite (mineral)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Note: The image provided is a fabric sock, not a geological specimen.
Polyester-Cotton Blend with Elastane
Sandstone
Arenite
Geode with Quartz/Chalcedony
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)