Basalt with Peridotite Inclusion
Mafic Volcanic Rock (Extrusive Igneous) with Ultramafic Xenolith
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Basalt with Peridotite Inclusion
Mafic Volcanic Rock (Extrusive Igneous) with Ultramafic Xenolith
Clear Quartz
Crystalline Silicon Dioxide (SiO2)
Diamond
Carbon (C)
Garnet (Almandine)
Almandine, Fe3Al2Si3O12
Diamond (Emerald Cut)
Carbon (C)
Blue Kyanite
Kyanite (Al2SiO5)
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
Sandstone
Arenite (SiO2 based)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Diamond
Diamond (Pure Carbon, C)
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Diamond
Carbon (C)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Rose Quartz with Feldspar Inclusions
Silicon Dioxide (SiO2)
Quartz with Hematite Inclusions
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)
Diamond
C (Carbon)
Diamond (Faceted)
Carbon (C) - Diamond
Milky Quartz (Water-Worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Ironstone Concretion (Limonite/Goethite)
Ferruginous concretion (Fe2O3·nH2O)
Marble
Marble (primarily Calcite, CaCO3 or Dolomite, CaMg(CO3)2)
Gneiss
Gneiss
Chert (specifically Flint)
Silicon dioxide (SiO2)
Tree Agate
Silicon Dioxide (SiO2) with Dendritic Inclusions
Rose Quartz
Silicon Dioxide (SiO2)
Diamond
Diamond (C)
Ruby
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Pyrite on Quartz (Fool's Gold in Quartz)
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Sapphire
Corundum (Al2O3)
Agate and Amethyst (Quartz variants)
Silicon Dioxide (SiO2) - Microcrystalline Quartz and Crystalline Quartz
Banded Agate (specifically Sardonyx)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
Milk Quartz (White) and Yellow Aventurine (Yellow)
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite
Limonite
Limonite (Hydrous iron oxides, predominantly Goethite FeO(OH)·nH2O)
Chalcedony (Agate/Chert)
Microcrystalline Quartz (SiO2)
Anthracite Coal
Anthracite
Basalt with Desert Varnish
Mafic Volcanic Rock (Fe/Mg rich Silicate)