Fossiliferous Limestone with Brachiopod
Phylum Brachiopoda in Sedimentary Matrix (CaCO3)
Category
Browse carved stone specimens identified by the Rock Identifier community.
Fossiliferous Limestone with Brachiopod
Phylum Brachiopoda in Sedimentary Matrix (CaCO3)
River Pebble (Likely Quartzite or Chert)
Silicon Dioxide (SiO2)
Hag Stone (Flint with natural hole)
Silicon Dioxide (SiO2) - Nodular Chert / Flint
Quartzite River Stone
Quartzite (SiO2)
Quartzite Chert Pebble
Sedimentary Chert / Metamorphic Quartzite (SiO2)
Granodiorite
Granodiorite
Basalt with Quartz/Calcite Veining
Aphanitic Mafic Basalt with secondary mineral veining
Basalt (River Stone/Pebble)
Basalt (Extrusive Igneous Rock)
Weathered, iron-stained quartzite pebble
Quartzite; predominantly microcrystalline quartz (SiO₂) with iron-oxide staining
Quartzite
Metamorphic Quartzite (SiO2)
Quartzite
Metamorphic Quartz Arenite
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite Pebble
Quartzite
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Pink Quartzite
Quartzite (primarily SiO2)
Gneiss
Gneiss
Rainbow Hematite (Titanium Coated)
Iron(III) oxide (Fe2O3) with Titanium/Metal Oxide coating
Pink Granite
Granite (composed of Potassium Feldspar, Quartz, and Plagioclase)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Conglomerate
Conglomerate
Gneiss
Gneiss
Quartzite
Metamorphic Quartz Rock (SiO2)
Granite
Intrusive Igneous Rock
Diabase / Dolerite with Weathered Matrix
Diabase (or microgabbro)
Red Granite
Felsic Plutonic Rock (Granite)
Quartzite with Quartz Veins
Metamorphic Quartzite (SiO2)
Gneiss
Gneiss
Granite
Granite (Felsic Plutonic Rock)
Granite Pebble
Intrusive Igneous Rock (Granite)
Basalt with Scoria/Vesicles
Aphanitic Igneous Rock (Fe/Mg rich)
Fuchsite (Chrome Mica)
K(Al,Cr)2(AlSi3O10)(OH)2
Sandstone
Sandstone (Siliciclastic Sedimentary Rock)
Quartzite
Quartzite (primarily SiO2)
Pink Granite
Phaneritic Plutonic Rock (Felsic)
Quartzite Cobble
Quartzite (mostly SiO2)
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Quartzite
Quartzite (chiefly SiO2)
Granite Gneiss
Felsic Gneiss (composed of Quartz, Feldspar, and Biotite)
Gneiss
Gneiss (High-grade metamorphic rock)
Gneiss
Gneiss
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)