Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)
Diamond (in jewelry)
Carbon (C)
Chalcedony (Agate/Jasper mix in host rock)
Chalcedony (cryptocrystalline Silicon Dioxide, SiO2)
Limonite (Iron Ore)
Goethite and related iron hydroxides (FeO(OH)·nH2O)
Diamond
Diamond (C)
Diamond (in a jewelry setting)
Cubic Carbon (C)
Rose Quartz
Silicon dioxide / Quartz (SiO2)
White Quartz (Tumbled)
Silicon Dioxide (SiO2)
Crackle Quartz (Dyed)
SiO2 (Silicon Dioxide) - Treated
Smoky Quartz (Chlorite Inclusions)
Silicon Dioxide (SiO2) with trace Aluminum and Natural Irradiation
Mica-rich Sandstone or Micaceous Schist Weathering
Micaceous Schist (Muscovite-Quartz composition)
Blue Sapphire
Corundum (Al2O3 with trace amounts of iron and titanium)
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Green Tourmaline (Verdelite)
Elbaite (Complex Borosilicate: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
Ruby
Corundum (Al2O3 with Chromium trace elements)
Smoky Quartz and Biotite Schist
Quartz-Biotite Schist (SiO2 + K(Mg,Fe)3AlSi3O10(F,OH)2)
Banded Chert in Matrix
Microcrystalline Quartz (SiO2)
Corundum (Ruby/Sapphire crystal)
Al2O3 (Aluminum Oxide)
Orange Calcite
Calcium Carbonate (CaCO3)
Ruby
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Pyrite
Iron Disulfide (FeS2)
Cubic Zirconia (CZ)
Cubic Zirconium Dioxide (ZrO2)
Sapphire (Corundum)
Corundum (Al2O3)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Basalt
Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)
Milky Quartz
Quartz (SiO2) with iron staining
Apatite
Apatite group mineral (e.g., Fluorapatite - Ca5(PO4)3F, Chlorapatite - Ca5(PO4)3Cl, Hydroxylapatite - Ca5(PO4)3(OH))
Quartzite
Quartzite (SiO2)
Chert (specifically Gray Chert/Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Emerald
Beryl (Be₃Al₂Si₆O₁₈), specifically the green variety colored by trace amounts of chromium or vanadium.
Ruby
Corundum (Aluminum Oxide with Chromium traces), Al2O3:Cr
Red Garnet
Pyrope-Almandine series (Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3)
Pink Quartz / Rose Quartz
Silicon Dioxide (SiO2)
Diamond
Diamond (Pure Carbon, C)
White Chalcedony (Agate)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Green Jasper (Chert)
Silicon Dioxide (SiO2)
Sapphire (Corundum)
Corundum (Al2O3), variety Sapphire
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated Iron Oxide)