Unakite (Epidotized Granite)
Unakite (Rock composed of Epidote Ca2(Al,Fe)3(SiO4)3(OH), Orthoclase KAlSi3O8, and Quartz SiO2)
Category
Browse man made rock (technosol) specimens identified by the Rock Identifier community.
Unakite (Epidotized Granite)
Unakite (Rock composed of Epidote Ca2(Al,Fe)3(SiO4)3(OH), Orthoclase KAlSi3O8, and Quartz SiO2)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)
Gneiss
Gneiss
Greywacke with Quartz Vein
Matrix: Impure Sandstone (SiO2 + varied clasts), Veins: Quartz (SiO2)
Quartzite with Quartz Veins
Quartzite (chiefly SiO2)
Granite
Granite (Mainly Quartz, Feldspar, and Mica/Amphibole)
Serpentine
Serpentinite (group of minerals including Antigorite, Lizardite, or Chrysotile) (Mg, Fe)3Si2O5(OH)4
Unakite
Epidotized Granite
Quartzite (Ferruginous)
Quartzite (major component SiO2 with Fe2O3 impurities)
Clear Quartz
Silicon Dioxide (SiO2)
Unakite
Epidotized Granite
Schist
Mica Schist
Gold-bearing Quartz with Iron Oxides
Quartz (SiO2) with Limonite/Goethite (FeO(OH)) and Pyrite (FeS2)
Unakite
Unakite epidotized granite
Gneiss
Gneiss
Banded Gneiss
Gneiss
Unakite
Unakite (altered granite)
Porphyritic Rhyolite (Birdseye Rhyolite)
Rhyolite (Porphyritic texture)
Granite Pebble
Granite (Phaneritic Quartz-Feldspar intrusive rock)
Lapis Lazuli (Tumbled Stone)
Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)
Unakite
Epidotized Granite
Serpentinite
Serpentinite (composed primarily of minerals in the Serpentine group: Chrysotile, Lizardite, and Antigorite)
Unakite
Epidotized Granite
Basalt with Iron Oxidation
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Basalt
Basalt
Granite Cobble
Phaneritic Plutonic Felsic Rock
Shungite
Non-crystalline carbon (similar to anthracite coal or meta-anthracite)
Tiger's Eye
Silicon dioxide (SiO2) with fibrous inclusions of crocidolite
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Schist
Mica Schist
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Quartzite
Quartzite (predominantly SiO2)
Sandstone
Arenite (SiO2 based)
Agate (Lace Agate Geode Slice)
Silicon Dioxide (SiO2)
Limonite stained Sandstone
Sedimentary rock with Goethite/Limonite (FeO(OH)·nH2O)
Basalt
Mafic Igneous Basalt
Unakite
Unakite (Epidotized Granite)
Lapis Lazuli (Tumbled Specimen)
Lapis Lazuli (Aggregate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Quartzite Pebbler
Quartzite (mainly SiO2)
Unakite
Epidotized Granite
Unakite
Unakite (Metasomatized Granodiorite)
Quartz Druze (Crystalline Quartz)
Silicon Dioxide (SiO2)