Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
sedimentary
Category
Mineral, Part Of A Rock
Browse mineral, part of a rock specimens identified by the Rock Identifier community.
Wishing Stone (Gneiss or Basalt with Quartz Vein)
Gneiss or Metabasalt (with a Quartz or Calcite intrusion)
metamorphic
Sandstone (Micaceous Sandstone)
Arenite (SiO2 with KAl2(AlSi3O10)(OH)2 inclusions)
sedimentary
Quartz Druzy Geode
Silicon Dioxide (SiO2)
mineral
Geode (Unopened)
Silicon Dioxide (SiO2) in sedimentary vugs
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Limonite Concretion (Ironstone)
Limonite (FeO(OH)·nH2O) / Goethite
sedimentary
Sandstone (likely Greywacke variant)
Arenite
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sedimentary Sandstone (Sandstone Slab)
Arenite (SiO2 with Fe2O3 staining)
sedimentary
Sandstone (Yellow/Tan Sandstone)
Arenite (primarily Quartz, SiO2)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
anthropogenic sedimentary (technolith)
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose)
Arenite (composed mainly of SiO2)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide matrix
sedimentary
Sandstone (Quartzose Sandstone)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone (Water-worn Pebble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Quartz Arenite)
Sandstone (dominated by SiO2 quartz grains)
sedimentary
Muscovite Mica
Muscovite: KAl2(AlSi3O10)(OH)2
mineral
Sandstone
Arenite
sedimentary
Garnet
Almandine formula: Fe3Al2(SiO4)3
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral
Red Sandstone
Arenite (with Iron Oxide cement)
sedimentary
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
sedimentary
Quartz Vein in Host Rock (Gneiss/Schist)
Silicon Dioxide (SiO2) within a metamorphic matrix
metamorphic
Ironstone Concretion / Goethite-Hematite Nodule
Goethite/Hematite (α-FeO(OH) / Fe2O3)
sedimentary
Liesegang Banded Sandstone (Wonderstone)
Ferruginous Sandstone with Liesegang Rings
sedimentary
Sandstone (Ferruginous)
Arenite (Fe2O3 stained)
sedimentary
Amethyst
Amethyst (SiO2 with Iron impurities)
mineral
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss with Quartz Vein
Gneiss containing Quartz (SiO2) filler
metamorphic
Blue Lace Agate
Chalcedony (SiO2) with trace inclusions
mineral
Gold-bearing Quartz
Auriferous Quartz (SiO2 with Native Gold inclusion)
mineral
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, formula: SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (SiO2 with Iron Oxide impurities)
sedimentary