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Recent Rock Identifications
Explore rocks, minerals, and gemstones recently identified by our AI-powered system
Tiger's Eye (with Hematite/Jasper)
SiO2 (Silicon Dioxide) with Fe2O3 (Hematite)
mineralogical
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Septarian Nodule (Yellow Calcite in Limestone)
Septarian Concretion (CaCO3 with Aragonite and Calcite)
sedimentary
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Chert (Arrowhead Artifact)
Chert (SiO2)
sedimentary
Citrine
Silicon Dioxide (SiO2) with ferric iron impurities
mineral
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Tiger's Eye
Silicon Dioxide with inclusions (SiO2)
mineral
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Black Onyx
Silicon Dioxide (SiO2)
mineral
Malachite with Chrysocolla
Copper carbonate hydroxide (Cu2CO3(OH)2) and Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Chert (Limestone-based)
Silicon Dioxide (SiO2) within Carbonate host
sedimentary
Pietersite
Brecciated Crocidolite in Quartz (Chalcedony)
metamorphic
Mookaite Jasper
Silicon Dioxide (SiO2) - variety of Chert/Jasper
sedimentary
Heliotrope (Bloodstone)
Silicon dioxide (SiO2) with inclusions
mineral
Porphyritic Andesite
Andesite
igneous
Granite
Intrusive Felsic Igneous Rock
igneous
Coquina
Bioclastic Limestone
sedimentary
Chert (Chert Nodule in Limestone)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8
mineral
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Greenstone
Greenschist (composed of actinolite, chlorite, and epidote)
metamorphic
Chert (Pink Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Dragon Blood Jasper
Epidote with Pietersite or Red Jasper (Silicate mineral)
metamorphic
Dragon Blood Jasper
Epidote with Red Piedmontite (Chalcedony/Quartz variant)
sedimentary
Magnetite
Magnetite (Fe3O4)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Clear Quartz
Silicon dioxide (SiO2)
mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
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