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Recent Rock Identifications
Explore rocks, minerals, and gemstones recently identified by our AI-powered system
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Schist
Mica Schist
metamorphic
Sandstone (with potential iron-oxide weathering)
Arenite (SiO2 based)
sedimentary
Basalt
Extrusive mafic igneous rock
igneous
Dumortierite Quartz
Dumortierite (Al7BCuO15)
metamorphic
Blue Quartzite (Dyed)
Silicon Dioxide (SiO2) with inclusions
metamorphic
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Amethyst (Tumbled Quarz)
Silicon Dioxide (SiO2) with iron impurities
mineral
Amethyst (Tumbled)
Silicon Dioxide (SiO2) with iron impurities
mineral
Obsidian
Volcanic Glass (70-75% SiO2)
igneous
Variscite in Matrix
Variscite (AlPO4 · 2H2O)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Lapis Lazuli
Na8[Al6Si6O24]S2
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)
metamorphic
Obsidian with Spherulitic Devitrification (Snowflake Obsidian/Mahogany related)
Volcanic Glass (70% or more SiO2)
igneous
Pyrite Geode (Sparkling Druzy)
Iron Sulfide (FeS2) in Sedimentary Nodule
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Agate
Agate (Silicon Dioxide, SiO2)
mineral
Lapis Lazuli
Lapis lazuli (a metamorphic rock primarily composed of Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Dyed Chalcedony (Agate)
Silicon Dioxide (SiO2) with artificial pigment
mineral
Basalt (River Stone)
Basalt
igneous
Pink Granite
Granite (Phaneritic igneous rock composed mainly of quartz, alkali feldspar, and plagioclase)
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Golden Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite
SiO2 (Silicon Dioxide)
metamorphic
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Jasper
Silicon dioxide (SiO2)
sedimentary
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Sandstone
Arenite
sedimentary
Quartzite Pebble
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Red Sandstone
Arenite with Hematite cementation
sedimentary
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
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