Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Category
Mineral Like (Anthropogenic)
Browse mineral like (anthropogenic) specimens identified by the Rock Identifier community.
Learn about Mineral Like (Anthropogenic) in the encyclopedia
View all →
Fluorite
Calcium Fluoride (CaF2)
mineral
Yellow Aventurine
Quartz (Silicon Dioxide - SiO2) with inclusions of Mica
Mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Eudialyte in Matrix
Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)
mineral
Peacock Ore
Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Shale
Argillaceous sedimentary rock
sedimentary
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Sandstone
Arenite (predominantly SiO2)
sedimentary
Desert Rose (Barite Rose / Gypsum Rose)
Barium Sulfate (BaSO4) or Hydrated Calcium Sulfate (CaSO4·2H2O)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)
mineral
Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Smoky Quartz with Axinite
SiO2 (Quartz) with (Ca,Mn,Fe,Mg)3Al2BSi4O15(OH) (Axinite)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2) - Crystalline Quartz
mineral
Quartz Geode (Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian Agate (SiO2)
mineral
Common Opal (Potch)
Opal (Hydrated silica, SiO2·nH2O)
mineral
Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Clastic Rock
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (SiO2 composition dominant)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Schorl (Black Tourmaline) in Matrix
Sodium Iron Aluminum Borosilicate Hydroxide (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Shale
Laminated Mudstone
sedimentary
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite
sedimentary
Sandstone
Arenite
sedimentary
Granite Gneiss
Gneiss (Polymetamorphic Quartz-Feldspar-Mica rock)
metamorphic
Petrified Wood
Silicified Wood (SiO2)
fossil
Limonite (Hydrated Iron Oxide / Bog Iron)
FeO(OH)·nH2O
Mineral (Sedimentary context)
Amygdaloidal Basalt with Agate/Zeolite Amygdules
Basalt (extrusive igneous rock) containing secondary mineral fillings
igneous
Gneiss
High-grade regional metamorphic rock (Foliated)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Black Obsidian
Extrusive Volcanic Glass (primarily SiO2)
igneous