Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Category
Mineral And Metamorphic Rock
Browse mineral and metamorphic rock specimens identified by the Rock Identifier community.
Learn about Mineral And Metamorphic Rock in the encyclopedia
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Quartzite
Quartzite (mainly SiO2)
metamorphic
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral with metamorphic or sedimentary host
Quartzite Pebble (River Rock)
Quartzite (mainly SiO2)
metamorphic
Weathered quartz-rich rock, likely quartzite
Quartzite; predominantly crystalline SiO₂, possibly iron-oxide stained
metamorphic
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Dalmatian Stone and Lapis Lazuli
Dalmatian Stone (peralkaline rock) with Lapis Lazuli (metamorphic rock)
igneous
Muscovite Schist with Muscovite Mica
Muscovite-rich Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Quartz on Greenstone
Silicon Dioxide (SiO2) on Altered Igneous Geologic Unit
metamorphic
Tumbled quartzite pebble
Quartzite; predominantly microcrystalline quartz (SiO₂)
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Osumilite in Granite Matrix
(K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite (with Iron Staining)
Metamorphic Quartzite (SiO2)
metamorphic
Lapis Lazuli
Lapis Lazuli (a rock composed primarily of Lazurite)
Metamorphic rock
Unakite
Epidotized Granite
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Metamorphosed Quartz-rich Sandstone
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Crystalline silica (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (principally SiO2)
metamorphic
Riverstone Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Greenstone / Greenschist
Greenschist (metamorphosed mafic rock)
metamorphic
Quartz pebble
Silicon dioxide (SiO2)
mineral
Basalt with Quartz Vein
Extrusive Igneous Rock / Volcanic Rock
igneous