Slag (Industrial By-product)
Glassy silicate or metallic smelting residue
mineral-like (anthropogenic)
Category
Industrial By Product
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Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Slag
industrial by-product
Slag (Industrial)
N/A (Anthropogenic Slag)
industrial by-product
Opalite
Synthetic Glass (Simulated Moonstone/Opal)
gemstone
Opalite
Man-made glass (traditionally simulated Opal)
mineral
Carborundum (Silicon Carbide)
Silicon carbide (SiC)
mineral
Flesh-colored Quartzite
Quartzite (SiO2)
metamorphic
Quartzite cobblestone
Quartzite (primarily SiO2)
metamorphic
Likely iron-rich slag or weathered ironstone
Hematite–goethite-rich material (Fe₂O₃/FeO(OH)); possibly industrial iron slag
mineral
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Tumbled milky quartz pebble
Quartz (SiO₂), likely milky quartz
mineral
Galena
Galena (lead sulfide, PbS)
mineral
Slag
Anthropogenic Vitreous Silicate / Ferro-silicate Slag
igneous
N/A (Non-Geological Object)
N/A
The user-provided image does not contain a rock or mineral specimen
N/A
Slag
Metallurgical by-product
Anthropogenic (Man-made material)
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Non-geological / Synthetic
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
mineral (refined metal)
Iron Slag
Anthropogenic Iron Silicate
industrial byproduct
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
igneous
Iron Slag
Anthropogenic pyrometallurgical byproduct
igneous
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Banded Iron Formation (BIF)
Banded Iron Formation (Magnetite-Hematite-Chert)
sedimentary
Smelter Slag
Anthropogenic Silicate Slag
igneous
Cobalt Blue Slag Glass
Amorphous Silicon Dioxide (anthropogenic) with Cobalt additives
mineraloid
Blue Slag Glass
Amorphous Silica (Byproduct of smelting)
Antropogenic (Man-made)
Opalite
Synthetic Opalized Glass / Man-made Glass
gemstone
Engineerged Quartz (Quartz Composite)
SiO2 (Silicon Dioxide) in a polymer resin matrix
mineral
Acrylic or Resin (Synthetic Imitation)
Polymethyl Methacrylate (PMMA) or Polyepoxide
Synthetic/Man-made Polymer
Limonite / Brown Iron Ore
Hydrous Iron Oxide (FeO(OH)·nH2O)
mineral
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH
mineral
Hematite Nodule
Hematite (Alpha Fe2O3)
mineral
Rough White Zircon
Zircon (Zirconium Silicate, ZrSiO4)
mineral
Hematite
Hematite (Fe2O3)
mineral
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
sedimentary (anthropogenic/man-made conglomerate)
N/A - Non-Geological Item
not a rock/mineral
Pumice
Vesicular Felsic Extrusive Igneous Rock
igneous
Wollastonite
Calcium Inosilicate, CaSiO3
mineral
Shale (Beach-worn)
Laminated Pelite (primarily clay minerals and quartz)
sedimentary