Pink Granite Gneiss
Granitic Gneiss
metamorphic
Category
Metamorphic Or Sedimentary Depending On Local Grade
Browse metamorphic or sedimentary depending on local grade specimens identified by the Rock Identifier community.
Learn about Metamorphic Or Sedimentary Depending On Local Grade in the encyclopedia
View all →
Schist
Mica Schist
metamorphic
Grey River Stone (Gneiss/Schist mix)
Foliated Metamorphic Rock (variable mineral formula)
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (Schistose)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Mookaite Jasper
Silicified Porcellanite (SiO2 with impurities)
sedimentary
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Goethite pseudomorph after Pyrite
Goethite (FeO(OH)) pseudomorph after Pyrite (FeS2)
mineral
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Ironstone Concretion (Limonite/Hematite Nodules)
Ironstone (principally Limonite FeO(OH)·nH2O or Hematite Fe2O3 mixed with silica/clay)
sedimentary
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Slate
Foliated Metamorphic Slate
metamorphic
Gneiss (with Quartzite layers)
Gneissic Metamorphic Rock
metamorphic
Gneiss (High-grade Metamorphic Rock)
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphism)
metamorphic
Banded Gneiss
Gneiss (Metamorphic high-grade, predominantly SiO2, Al2O3, K2O, Na2O)
metamorphic
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz with Mica inclusions (likely Schist or Gneiss host)
Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)
metamorphic
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (Cobble)
Gneiss
metamorphic
Quartz-veined Gneiss
Gneiss with Quartz (SiO2) intrusions
metamorphic
Gneiss (specifically Banded Gneiss)
Gneiss
metamorphic
Pietersite
Brecciated Crocidolite in Quartz (Chalcedony)
metamorphic
Granite Gneiss with Garnet
Garnetiferous Gneiss
metamorphic
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Kyanite
Kyanite (Al2SiO5)
mineral
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Puddingstone (Jasper-Conglomerate)
Jasper Conglomerate (SiO2 matrix with Jasper clasts)
sedimentary
Fossiliferous Limestone (Murchisonia/Gastropod Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide (Limonite/Hematite) coating
sedimentary
Greenstone (Epidosite / Chlorite Schist)
Metabasalt (often contains Epidote Ca2Al2(Fe3+,Al)(SiO4)(Si2O7)O(OH) or Chlorite)
metamorphic
Iron Meteorite
Siderite (Iron-Nickel alloy)
meteorite
Gneiss
Metamorphic rock of high-grade regional metamorphism
metamorphic
Greenschist
Greenschist facies rock (containing chlorite, actinolite, albite, and epidote)
metamorphic