Quartz Druzy Geode
Silicon Dioxide (SiO2) - Crystalline Variety
Category
Browse mineral side rock specimens identified by the Rock Identifier community.
Quartz Druzy Geode
Silicon Dioxide (SiO2) - Crystalline Variety
Basalt (Amygdaloidal)
Amygdaloidal Basalt
Amethyst Quartz Druse
Silicon Dioxide (SiO2) with iron impurities
Sandstone (with Concretion)
Arenite / Quartzose Sandstone
Basalt (Black Beach Pebble)
Basalt
Painted River Pebble (likely Basalt or Greywacke)
Aphanitic Lithic Clast with Anthropogenic Pigment coating
Limonite Concretion
Limonite (FeO(OH)·nH2O) Pseudomorph
Quartz Vein in Siltstone
Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix
N/A (Non-Geological Object)
Quartz Pebble
Silicon Dioxide (SiO2)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Bauxite
Bauxite (Aluminum Ore)
Lapis Lazuli (Tumbled Specimen)
Lapis Lazuli (Aggregate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
Sandstone Flagstone
Arenite (SiO2 with various cementing agents)
Sandstone
Arenite
Sandstone (with Iron Staining)
Arenite
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Red/Brown)
Arenite (composed primarily of SiO2)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based typically)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone (with minor weathering/pitting)
Clastic Sedimentary Rock (composed mostly of SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 primarily)
Sandstone (Iron-stained)
Arenite (primarily Quartz, SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Arenite
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (composed of SiO2, CaCO3, or iron oxides)
Sandstone
Arenite (composed primarily of SiO2)