Hagstone (Adder Stone)
Chert or Sedimentary pebble with natural perforation
sedimentary
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Gneiss
Gneiss (High-Grade Metamorphic Rock)
metamorphic
Granite
Granite (Felsic intrusive igneous rock)
igneous
Chert (specifically Jasper/Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Jasper River Stone
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO₂)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
White granite
Granite, chiefly quartz–alkali feldspar–plagioclase with biotite/hornblende
igneous
Hag Stone
Perforated Flint or Chert (SiO2)
sedimentary
Jasper with Dendritic Inclusions
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Pumice
Pumice
igneous
Unakite
Epidotized Granite
metamorphic
Oolitic Limestone (Oolite)
Oolitic Limestone (primarily Calcium Carbonate, CaCO3)
sedimentary
Moqui Marry / Shaman Stone
Hematite-cemented Sandstone Concretion
mineral
Limestone and Quartz Gravel with Petrified Wood
Sedimentary gravel aggregate and fossilized wood
sedimentary
Jasper with Purple Fluorite or Chalcedony
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Agate
SiO2
Mineral
Tumbled prehnite (probable)
Prehnite, Ca₂Al₂Si₃O₁₀(OH)₂; possibly epidote- or chlorite-bearing
mineral
Unakite
Epidotized Granite (Composed of Orthoclase Feldspar, Epidote, and Quartz)
metamorphic
Quartzite
Metamorphic Quartzite
metamorphic
Petrified Wood
Silicified wood (Quartz replacement, SiO2)
fossil
Yellow Jasper
Cryptocrystalline Quartz (SiO2) with iron inclusions
sedimentary
Granite
Phaneritic intrusive igneous rock
igneous
Yellow Jasper
Silicon Dioxide (SiO2)
sedimentary
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Gneiss (Metamorphic Pebble)
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Quartzite
Quartzite (SiO2 composition)
metamorphic
Greenstone / Greenschist
Greenschist (composed of Chlorite, Epidote, and Actinolite)
metamorphic
Quartzite Cobble
Metamorphosed Quartz Sandstone
metamorphic
Porphyritic Rhyolite
Porphyritic Rhyolite (compositionally similar to granite)
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite (Gold/Yellow)
Quartzite (SiO2)
metamorphic
Hag Stone
Perforated Sedimentary Rock (typically Limestone or Sandstone)
sedimentary
Blue Crackle Quartz (Dyed Quarzite)
Silicon Dioxide (SiO2) with artificial dye
Metamorphic (modified)
Engraved polished dark stone (likely slate or basalt)
Probable fine-grained slate (microcrystalline phyllosilicates), possibly basalt; exact identification requires testing
metamorphic
Sandstone (Garden Boulder)
Sandstone (SiO2 dominated)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Granite
Phaneritic Felsic Igneous Rock
igneous
Jasper (Green Jasper/River Stone)
Silicon Dioxide (SiO2) with impurities
sedimentary
Sandstone (Whetstone/Sharpening Stone)
Siliciclastic Sandstone (SiO2 dominant)
sedimentary
Asphalt (Road Aggregate)
Bituminous conglomerate
sedimentary