Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Found In Igneous And Metamorphic Rocks)
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
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Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Feldspar
Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)
mineral
Quartz
SiO2 (Silicon Dioxide)
mineral
Labradorite
(Ca,Na)(Al,Si)4O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Aventurine (Green Aventurine)
Quartz with Fuchsite Inclusions (SiO2)
Mineral
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn%,Fe%,Mg,Ca)SiO₃
mineral
Gneiss with Quartz Vein
Metamorphic Gneiss
metamorphic
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Boulder
Silicon Dioxide (SiO2)
mineral
Pyrite (Fools Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with various inclusions
Mineral, variety of Quartz
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Orthoclase Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rough Sapphire (possibly Yellow/Green Corundum)
Corundum (Al2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
White Quartz Cobble
Quartz (Silicon Dioxide, SiO2)
mineral
Banded Gneiss
Gneiss (Felsic to Mafic Metamorphic Rock)
metamorphic
Serafina (Serafinite / Clinochlore)
Clinochlore (Mg5Al)(AlSi3O10)(OH)8
mineral
White Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Silicon Dioxide (SiO2), variety of Chalcedony
gemstone
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Garnet (likely Almandine or Pyrope)
Garnet (Group Name), Fe3Al2(SiO4)3 or Mg3Al2(SiO4)3
mineral
Blue Apatite
Calcium Fluorophosphate (Ca5(PO4)3F)
mineral
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(BO3)3Si6O18(OH)4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral