Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary Or Metamorphic Derived
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
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Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Clear or Cloudy)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Gray/Smoky Varieties)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Pyrite (FeS2)
Mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Gneiss
Foliated Metamorphic Rock
metamorphic
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Black Opal (Triplet)
Hydrated Silica (SiO2·nH2O)
mineral
Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
mineral
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Greisen
Greisen
Metamorphic
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Sedimentary
River Pebble (Gneiss or Quartzite mixture)
Metamorphic rock (Commonly Gneissic)
metamorphic
Garnet Schist
Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)
metamorphic
Unakite
Epidote-Feldspar rock
Metamorphic Rock
Almandine Garnet in Schist
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
metamorphic
Aquamarine (Pendant) and Jasper (Beads)
Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)
mineral
Slate
Foliated Metamorphic Rock
metamorphic
Tiger's Iron
Pseudomorphic Quartz Aggregate (contains SiO2 with Fe2O3 and FeOOH)
metamorphic
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
sedimentary
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Kyanite (Green and Blue varieties)
Kyanite (Al2SiO5)
mineral