Unable to Identify (Image Obscured)
Category
This Appears To Be A Man Made Metallic Object, Likely Jewelry, Not A Natural Rock, Mineral, Or Geological Specimen.
Browse this appears to be a man made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen. specimens identified by the Rock Identifier community.
Obsidian
Volcanic Glass (Amorphous Silicon Dioxide)
Unable to identify - Image contains non-geological items
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Pyrite (on Shale/Matrix)
Iron Disulfide (FeS2)
Yellow Quartz (Citrine Quartz Pebble)
Silicon Dioxide (SiO2)
Goldstone
Avventurina (Cu + SiO2 glass)
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Man-made Glass (Tumbled/Shaped)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
Goldstone
Aventurine Glass (Man-made)
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
Slag
Glassy silicate byproduct (anthropogenic material)
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Opalite
Synthetic Glass (SiO2 + impurities)
Quartz
Silicon dioxide (SiO₂)
Red Slag Glass
Amorphous Silica (Industrial byproduct with metallic oxide dopants)
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Rutilated Quartz (likely Citrine or Smoky Quartz with Rutile inclusions)
SiO2 with TiO2 inclusions (Quartz with Rutile)
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
Unidentifiable Specimen
Undetermined
Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
Opalite
Synthetic Glass, SiO2 base with metallic inclusions
Sandstone
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (SiO2 with Fe2O3 inclusions)
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone
Arenite (SiO2-rich)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock (primarily SiO2 with Feldspar)
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Asphalt Concrete
Bituminous conglomerate
Rainbow Hematite (Man-made/Treated)
Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
Brick
Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)