Quartz chunk
Silicon dioxide (SiO2)
mineral
Category
Metamorphic (Localized) Or Sedimentary
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Hematite (Iron(III) oxide, Fe2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
mineral
Unidentifiable Specimen
Undetermined
Unknown
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Milky/Clear)
Silicon Dioxide (SiO2)
mineral
Aquamarine (Pendant) and Jasper (Beads)
Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Quartz / Rock Crystal
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz on Schist
Silicon Dioxide (SiO2) on Foliated Metamorphic Rock
metamorphic
Muscovite Schist
Muscovite Mica Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Garnet-bearing Schist
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
metamorphic
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite or Biotite)
metamorphic
Marble
Recrystallized Carbonate Rock (CaCO3)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite and/or Biotite composition)
metamorphic
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Mica Schist
Mica Schist
metamorphic