Shale
Shale
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Shale
Shale
Quartzite Pebble
Meta-quartzite
Dalmatian Stone (Dalmatian Jasper)
Dalmatian Stone (A variety of Perthite / Aplite)
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
Gold Nugget
Native Gold (Au)
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
Dalmation Jasper (Dalmation Stone)
Perthitic feldspar-quartz-amphibole rock
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
Granite
Phaneritic plutonic rock (SiO2 rich)
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
Quartzite
Quartzite (SiO2)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Basalt (River Pebble)
Basalt (dominated by Plagioclase Feldspar and Pyroxene)
Sandstone
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Quartzite Pebble
Metamorphic Quartzite (SiO2)
Quartzite with Chlorite
Metamorphic Quartzite (SiO2) with phyllosilicates
Quartzite
Quartzite (SiO2)
Shale
Mudstone/Shale
Sandstone
Arenite (primarily SiO2)
Sandstone with Liesegang Rings
Liesegang-banded Sandstone
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Granite
Granite (Felsic Plutonic Rock)
Granite
Felsic Plutonic Rock
Chert Breccia
Brecciated Chert
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone
Arenite (mainly SiO2 with varying cements)
Dumortierite Quartz
Dumortierite (Al7BCuO15)
Green Fluorite
Calcium fluoride (CaF2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Pyrite
Iron Sulfide (FeS2)
Bloodstone
Chalcedony (cryptocrystalline quartz)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Pyrite
Iron Pyrite (FeS₂)
Beryl (Variety Mix)
Be3Al2(Si6O18)
Sandstone (Banded)
Arenite (primarily SiO2)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Pyrite
Iron disulfide (FeS2)
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Quartzite
Quartzite (SiO2)
Granite Gneiss
Gneiss (high-grade metamorphic rock)