Tourmaline (Multi-colored)
Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4
mineral
Category
Mineral (Metamorphic Pseudomorph)
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pink and Green Tourmaline (Tumbled)
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Beryl (var. Heliodor or Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Chalcopyrite in Matrix
Chalcopyrite (CuFeS2)
mineral
Quartz (Gray/Smoky Varieties)
Silicon Dioxide (SiO2)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
New Jade (Serpentine)
Antigorite / Serpentine group (Mg3Si2O5(OH)4)
metamorphic
Schist
Mica schist, likely muscovite–biotite schist with quartz and feldspar
metamorphic
Agate
SiO2
Mineral/Gemstone
Peacock Ore
Bornite (Cu5FeS4) or Acid-Treated Chalcopyrite (CuFeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Schorl (Black Tourmaline)
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Garnet (Almandine)
Almandine Garnet (Fe3Al2(SiO4)3)
Mineral
Gneiss
Gneiss
metamorphic
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Emerald in Matrix (Quartz/Calcite)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Tiger's Eye
Silicon dioxide with crocidolite inclusions (SiO2)
mineral
Unakite
Unakite; epidote–pink feldspar–quartz rock
metamorphic
Greenschist / Basalt Beach Pebble
Metabasalt / Chlorite Schist
metamorphic
Quartzite with Iron Staining
Metamorphosed Quartz Sandstone (SiO2 with Fe2O3 trace)
metamorphic
Quartzite with Chlorite / Epidote Inclusion
Metamorphic Quartzite (SiO2 with chlorite/epidote inclusions)
metamorphic