Granite
Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Category
Browse igneous rock specimens identified by the Rock Identifier community.
Granite
Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Dalmatian Stone
Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock)
Granite
Phaneritic Intrusive Igneous Rock (Granite)
Dalmatian Jasper
Dalmatian Stone (comprised of Feldspar, Quartz, and Arfvedsonite)
Greenstone (Chert)
Microcrystalline Silica (SiO2) with chlorite/epidote inclusions
Dalmatian Jasper
Peralkaline Feldspar Rhyolite
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Pink Granite
Phaneritic intrusive igneous rock (high Orthoclase Feldspar content)
Granite
Phaneritic Plutonic Felsic Rock (KAlSi3O8 + SiO2 + NaAlSi3O8)
Granite
Granite (composed of Quartz, Feldspar, and Mica)
Granite
Phaneritic Plutonic Felsic Rock (K-Feldspar + Quartz + Plagioclase)
Granite
Granite (compositionally: Quartz, Feldspar, Mica)
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
Fossil coral limestone
Fossilized colonial coral, commonly tabulate or rugose coral in calcite-rich limestone (CaCO₃)
Weathered fossiliferous limestone
Calcitic limestone; predominantly CaCO₃, possibly containing a fossil mold or shell fragment
Dalmatian Stone
Dalmatian Stone (formerly called Dalmatian Jasper)
Granite
Phaneritic Felsic Igneous Rock
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Granite
Granite (Felsic Plutonic Rock)
River Cobble (likely Basalt or Mafic Igneous Rock)
Extrusive Mafic Igneous Rock (e.g., Basalt)
Granite
Granite (High-silica plutonic rock)
Granite
Granite (Felsic Plutonic Rock)
Granite
Granite
Dalmatian Stone
Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Grey Granite
Phaneritic Felsic Intrusive Igneous Rock
Greenstone (Epidosite or Serpentinite)
Metabasalt / Epidote-Chlorite Schist
Granite
Phaneritic plutonic rock (Quartz, Feldspar, Mica)
Granite
Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)
Granite
Plutonic felsic rock (Quartz, Feldspar, Mica)
Snowflake Obsidian
Volcanic glass containing Spherulites (SiO2)
Greenstone / Diabase Porphyry
Porphyritic Diabase (Micro-gabbro)
Likely reddish granite/porphyritic igneous rock fragments
Feldspar–quartz–mica aggregate, possibly pink granite or rhyolite
Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
Granite
Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Granite
Phaneritic Igneous Rock (Granite)
Granite
Granite
Dalmatian Stone
Dalmatian Jasper / Aplite
Granite
Granite (Felsic Plutonic Rock)
Granite
Granite (Phaneritic intrusive igneous rock)
Pink Granite
Granitoid (rich in Potassium Feldspar)
Dalmatian Stone (commonly called Dalmatian Jasper)
Peralkaline Rock (mixed Feldspar, Quartz, and Arfvedsonite)