Basalt
Basalt
igneous
Category
Industrial Byproduct
Browse industrial byproduct specimens identified by the Rock Identifier community.
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Quartzite
Quartzite (SiO2)
metamorphic
Basalt (Vesicular/Scoria)
Vesicular Basalt
igneous
Granodiorite
Granodiorite (Na,Ca)(Al,Si)4O8
igneous
Basalt (River Pebble)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Basalt (Vesicular)
Basalt
igneous
Pink Granite
Granite (Felsic plutonic rock)
igneous
Basalt
Basalt
igneous
Bauxite
Bauxite (mixture of Gibbiste Al(OH)3, Boehmite ̳-AlO(OH), and Diaspore ́-AlO(OH))
sedimentary
Rough Diamond
Diamond (Native Carbon, C)
mineral
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
mineraloid (man-made)
Iron-stained Quartz Vein
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
sedimentary
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants
Mineral (variety of Chalcedony)
Quartzite
Quartzite (SiO2)
metamorphic
South Korean 100 Won Coin (Cupronickel)
Cupronickel Alloy (75% Cu, 25% Ni)
mineral-based alloy (anthropogenic)
Ruby (Raw Corundum)
Corundum (Al2O3) with Chromium traces
mineral
Diamond in Kimberlite
Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)
igneous
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Synthetic material (Not a natural rock/mineral)
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Synthetic/Consumer Product
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral (man-enhanced)
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
man-made composite (lithified equivalent of sedimentary)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral
Ironstone
Ferruginous Sedimentary Rock (composed of Goethite, Hematite, and Limonite)
sedimentary
Ferruginous Sandstone (Ironstone)
Iron-rich Arenite
sedimentary
Vanadinite
Lead Chlorovanadate, Pb5(VO4)3Cl
mineral
Ironstone (with Limonite/Goethite)
Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)
sedimentary
Chert (Chert Nodule)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Green Glass Cullet / Recycled Glass
Amorphous Silicon Dioxide (SiO2) with various metal oxides
Man-made Glass (Not a natural rock or mineral)
Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Cubic Zirconia (Set in Jewelry)
Zirconium Dioxide (ZrO2)
gemstone
Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Serpentine
Serpentine subgroup (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
metamorphic
Quartz on Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
igneous
Limestone (with possible Manganese oxide inclusions)
Sedimentary Calcium Carbonate (CaCO3)
sedimentary