Mica Schist with Pyrite
Muscovite/Biotite Schist with Iron Sulfide (FeS2)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Mica Schist with Pyrite
Muscovite/Biotite Schist with Iron Sulfide (FeS2)
Red Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Chert / Flint Nodules in Limestone
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Bismuth
Bismuth (Bi)
Vesicular Basalt (Lava Rock)
Basalt
Chert (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Almandine Garnet
Almandite (Fe3Al2(SiO4)3)
Blue Kyanite
Kyanite (Al2SiO5)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Red Garnet (Pyrope or Almandine)
Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)
Garnet
Garnet group [X3Y2(SiO4)3]
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
Ferruginous Quartz
SiO2 (Silicon Dioxide) with Iron Oxide inclusions (FeO(OH) / Fe2O3)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Olivine (Peridotite)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
Quartz Pebble (Geode-like)
Silicon Dioxide (SiO2)
Shale (Beach-worn)
Laminated Pelite (primarily clay minerals and quartz)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Diamond (Green tinted)
Carbon (C) with trace impurities or lattice defects
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Chalcedony (Agate/Carnelian variety)
Cryptocrystalline Quartz (SiO2)
Watermelon Tourmaline in Quartz Matrix
Elbaite (complex Borosilicate) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
Yellow Quartz (Citrine or Quartz Crystal with Iron Inclusions)
Silicon Dioxide (SiO2)
Granitic Pegmatite
Coarse-grained Granite (KAlSi3O8 + SiO2)
Botryoidal Chalcedony (Desert Rose / Grape Agate variant)
Silicon Dioxide (SiO2)
Basalt with Quartz/Calcite Veins
Basalt (Aphanitic Mafic Igneous Rock)
Pumice
Pumice (Amorphous volcanic glass)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium aluminum silicate hydroxide fluoride [KAl2(AlSi3O10)(F,OH)2]
Flesh-colored Quartzite
Quartzite (SiO2)
Blue Sapphire (Ceylon)
Corundum (Al2O3) with traces of Iron and Titanium
Vanadinite
Vanadinite [Pb5(VO4)3Cl]
Chert (often called Flint)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Agate
Chalcedony (Silicon Dioxide, SiO2)
Grey Chalcedony (Tumbled Moon)
Microcrystalline Quartz (SiO2)
Pumice
Pumicite / Vesicular Rhyolite
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
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Red Jasper
Silicon Dioxide (SiO2) containing Iron Oxide inclusions