Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia
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Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
White Marble
Recrystallized Calcite (CaCO3)
metamorphic
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
mineral
Magnetite / Iron Ore (likely Hematite-Magnetite mix)
Magnetite (Fe3O4)
mineral
Red Sandstone (Siltstone/Mudstone variety)
Ferruginous Sandstone (composed primarily of Quartz with Hematite cementation)
sedimentary
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz/Citrine Type)
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Peridotite
Peridotite (composed largely of Olivine (Mg,Fe)2SiO4)
igneous
Lapis Lazuli
Complex metamorphic rock primarily composed of Lazurite ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2), Calcite, and Pyrite
metamorphic
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18)
mineral
Sandstone (Micaceous Sandstone)
Arenite (SiO2 with KAl2(AlSi3O10)(OH)2 inclusions)
sedimentary
Pearl
Aragonite / Calcium Carbonate (CaCO3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Wishing Stone (Basalt or Siltstone with Quartz/Calcite Vein)
Basalt (SiO2+MgO+FeO) or Siltstone with a Quartz (SiO2) or Calcite (CaCO3) vein
igneous or sedimentary
Milky Quartz Vein with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Schist
Mica Schist
metamorphic
Greenschist
Chlorite schist
metamorphic
Epidote in Matrix (Dragon Stone variant)
Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
mineral
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
Mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Chatoyant Quartz (Cat's Eye Quartz)
Silicon Dioxide (SiO2) with fibrous inclusions of Amphibole or Rutile
mineral
Geode (Unopened)
Chalcedony/Quartz Geode (SiO2)
sedimentary
Mica Schist
Schist (muscovite-biotite schist)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Fuchsite (Chrome Mica)
Cr-bearing Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Quartzite with Calcite Accretion
Metamorphosed Quartz Sandstone (SiO2 with CaCO3 coating)
metamorphic
Basalt (Vesicular or Porphyritic)
Basalt (composed primarily of plagioclase feldspar, pyroxene, and olivine)
igneous
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Fluorite and Rose Quartz
Fluorite (CaF2), Rose Quartz (SiO2)
Mineral
Magnetite
Magnetite (Fe3O4)
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Quartzite
Metamorphic rock (SiO2)
metamorphic
Slate
Foliated Metamorphic Rock
metamorphic
Slate
Foliated Metamorphic Rock
metamorphic