Pink Stained Rock (Likely Quartzite or Sandstone with Iron Oxide Staining)
Quartzite (metamorphic) or Sandstone (sedimentary); coloration likely due to hematite or other iron oxides.
Metamorphic or Sedimentary (with staining)
Category
Sedimentary And Metamorphic Minerals
Browse sedimentary and metamorphic minerals specimens identified by the Rock Identifier community.
Schist/Phyllite
Metamorphic Schist (Chlorite Schist variety)
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Rough Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
Mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Jadeite
Jadeite (NaAlSi2O6)
metamorphic
Seraphinite
Clinochlore (Mg,Fe)5Al(AlSi3O10)(OH)8 - specific variety for Seraphinite due to its fibrous inclusions and chatoyancy.
Mineral
Serpentinite
Serpentine rock (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4
metamorphic
Slate with Quartz
Low-grade Metamorphic Slate with SiO2 inclusions
metamorphic
Sodalite (blue beads) and Clear Quartz (clear beads)
Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2
mineral
Geode (Unopened)
Silicon Dioxide (SiO2) in sedimentary vugs
sedimentary
Orpiment
Orpiment (As2S3)
mineral
Chert (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Limonite
Limonite (FeOO·nH2O)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Mineral/Rock
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
igneous
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Shale
Clastic sedimentary rock (primarily clay and silt minerals)
sedimentary
Calcite
Calcite (CaCO3)
Mineral
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Epidote
Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)
mineral
Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
metamorphic
Corundum
Corundum (Al2O3)
Mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Blue Quartz with Dumortierite/Magnesio-riebeckite inclusions
Quartz (SiO2) containing Dumortierite (Al7(BO3)(SiO4)3O3)
igneous/metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Biotite (Black Mica)
Biotite (K(Mg,Fe)3AlSi3O10(OH)2)
mineral