Quartz Pebble
Silicon Dioxide (SiO2)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Quartz Pebble
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (SiO2)
Garnet (Rough Almandine Crystal)
Almandine Garnet (Fe3Al2(SiO4)3)
Raw Diamond (Rough Uncut)
Diamond (C - pure carbon)
Blue Sapphire (Raw/Tumbled Corundum)
Corundum (Aluminum Oxide, Al2O3 with Fe/Ti traces)
Agate (specifically a Thunderegg/Agate Nodule)
Cryptocrystalline Quartz (SiO2)
Schist
Mica Schist (Metamorphic Rock)
Agate
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Diamond
Diamond (Pure Carbon, C)
Diamond
C (Carbon)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Sandstone
Arenite
Glauconitic Sandstone
Glauconitic Quartz Arenite (with K,Mg,Fe,Al silicate hydroxide)
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4
Porphyritic Basalt
Basalt (Extrusive Igneous Rock)
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
Quartz Pebble
Crystalline Silica (SiO2)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Quartz Geode
Silicon Dioxide (SiO2)
Bornite
Cu5FeS4
Stilbite
Stilbite (Hydrated calcium sodium aluminum silicate, NaCa4[Al9Si27O72]·28H2O)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
Uncertain small pale mineral fragment
Indeterminate; possibly calcite or a light-colored feldspar fragment
Schist
Mica Schist
Sandstone with Iron Staining
Arenite (SiO2 with FeO(OH) impurities)
Actinolite
Ca2(Mg,Fe)5Si8O22(OH)2
Quartz (Iron-Stained Quartz Pebble)
Silicon Dioxide (SiO2)
Pegmatite
Granitic Pegmatite
Green Calcite
Calcium Carbonate (CaCO3)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Garnet
Almandine (Fe3Al2(SiO4)3)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Chalcedony Pebble
Cryptocrystalline Quartz (SiO2)
Pegmatite
Igneous Pegmatite (Quartz-Feldspar-Biotite)
Quartz (Field Stone)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Diamond
Native Carbon (C)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Ruby / Pink Sapphire
Corundum (Al2O3 with Chromium impurities)
Native Copper in Basalt
Cuprum (with Host Basalt)
Kimberlite with Diamond
Kimberlite (Diamond formula: C)