Sandstone
Arenite (Siliclastic sedimentary rock), SiO2 + various minerals
sedimentary
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia
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Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Diorite (Spotted or Dalmatian Stone effect)
Diorite (Intermediate Plutonic Rock)
igneous
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Granite
Felsic Intrusive Igneous Rock
igneous
Ferruginous Sandstone (Gritstone)
Arenite with Iron-Oxide Cement (SiO2 with Fe2O3 and FeO(OH))
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
sedimentary
Epidosite
Epidosite (composed primarily of Epidote and Quartz)
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Lapis Lazuli
Lapis Lazuli (a rock composed primarily of Lazurite, Sodalite, Calcite, and Pyrite)
Mineral
Quartzite Pebble
Metamorphic Rock (composed mainly of SiO2)
metamorphic
Serpentinite
Serpentinite (composed primarily of serpentine group minerals like lizardite, antigorite, and chrysotile)
metamorphic
Red Sandstone
Arenite (Fe2O3 rich)
sedimentary
Siltstone
Siltstone (composed of microscopic quartz and clay minerals)
sedimentary
Siltstone Pebble
Siltstone (composed of microscopic quartz and clay minerals)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica/Amphibole)
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Soapstone
Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)
Metamorphic Rock
Sandstone
Arenite (SiO2 + various cementing minerals)
sedimentary
Sandstone (Quartzose Sandstone)
Sandstone (SiO2 with various trace minerals)
sedimentary
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Schist
Mica Schist
metamorphic
Sandstone
Arenite (SiO2 based with various mineral cements)
sedimentary
Banded Gneiss
Gneiss (high-grade metamorphic silicate rock)
metamorphic
Sandstone (with minor weathering/pitting)
Clastic Sedimentary Rock (composed mostly of SiO2)
sedimentary
Quartz (likely Rose Quartz or Milky Quartz based on color)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Quartzite
Quartzite (SiO2 silicon dioxide)
metamorphic
Sandstone
Arenite (mostly Quartz-based)
sedimentary
Granodiorite
Phaneritic intrusive igneous rock (intermediate composition)
igneous
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
metamorphic
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
sedimentary
Unidentifiable Rock Fragment
Uncertain
Soapstone (Talc Steatite) Carving
Steatite (Hydrous magnesium silicate, Mg3Si4O10(OH)2)
metamorphic
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Herkimer Diamond in Matrix
Quartz (SiO2) in Dolostone (CaMg(CO3)2)
sedimentary (host) / mineral (crystals)
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Septarian Nodule
Septaria (composed of Calcite, Aragonite, and Limestone)
sedimentary