Iron Gossan (Limonite/Goethite)
Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones
Category
Browse mineral (impactite) specimens identified by the Rock Identifier community.
Iron Gossan (Limonite/Goethite)
Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones
Pyrite
Iron Sulfide (FeS2)
Celestine (Celestite)
Strontium sulfate (SrSO4)
Diamond (Cluster Ring)
Carbon (C)
Corundum (Sapphire/Ruby in Matrix)
Corundum (Al2O3)
Milky Quartz (Common Quartz)
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)
Diamond
Diamond (pure native carbon, C)
Rough Diamond
Diamond (C)
Diamond (appearing in jewelry)
Diamond (pure Carbon, C)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Pink Quartz (SiO2)
Yellow Quartz (Citrine-colored Quartz Pebble)
Silicon Dioxide (SiO2)
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
Diamond
Diamond (pure Carbon, C)
Chrysocolla Chalcedony
Hydrated Copper Phyllosilicate (Cu,Al)2H2Si2O5(OH)4 + SiO2
Quartz (specifically a water-worn river pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Gold-bearing Quartz
Auriferous Quartz (SiO2 with Native Gold inclusion)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Diamond
Native Carbon (C)
Milky Quartz (among River Rock)
Quartz (Silicon Dioxide, SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Beach Pebble)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Granite (Pink/Red Orthoclase variety)
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
Greenschist
Greenschist (chlorite-epidote schist)
Lapis Lazuli
A metamorphic rock primarily composed of lazurite (Na,Ca)8[(S,SO4,Cl)2|(Al6Si6O24)], calcite (CaCO3), and pyrite (FeS2).
Ruby in Zoisite
Anyolite (Ruby in Zoisite)
Larimar
Pectolite (Blue variety), NaCa2Si3O10(OH)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Moonstone
Orthoclase (KAlSi3O8), specifically the variety showing adularescence
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Moonstone
Adularia / Orthoclase (KAlSi3O8)
Aquamarine (Rough)
Beryl (Be3Al2Si6O18)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions