Quartzite
Quartzite (primarily SiO2)
metamorphic
Category
Anthropogenic (Man Made Material Mimicking Sedimentary Rock)
Browse anthropogenic (man made material mimicking sedimentary rock) specimens identified by the Rock Identifier community.
Basalt with Peridotite Inclusion
Mafic Volcanic Rock (Extrusive Igneous) with Ultramafic Xenolith
igneous
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
mineral
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Serpentine
Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4)
metamorphic
Iron Meteorite
Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Serpentinite
Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)
Metamorphic Rock
Chert / Flint (with quartz or calcite inclusion)
Silicon dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Red Jasper
Silicon dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Greenstone / Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidite Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH) and Quartz)
metamorphic
Synthetic Wolf Plush (Non-mineral)
Canis lupus similis (Prop material: Polyester & Synthetic fibers)
Synthetic material/Textile
Diamond
Native Carbon (C)
mineral
Granite (specifically Rapakivi Granite)
Phaneritic Felsic Igneous Rock (Granite)
igneous
Milky Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Tree Agate
Silicon Dioxide (SiO2) with inclusions of manganese and iron oxides
mineral
Stichtite in Serpentine (Atlantisite)
Mg6Cr2CO3(OH)16·4H2O (Stichtite) within Mg3Si2O5(OH)4 (Serpentine)
metamorphic
Petrified Wood
Silicified Wood (SiO2)
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Moss Agate
Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite
Mineral (variety of Chalcedony)
Petrified Wood
Silicified Wood (primarily SiO2)
metamorphic
Moss Agate / Chalcedony
Silicon Dioxide (SiO2)
mineral
Moss Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Quartzite
Meta-quartzite (SiO2)
metamorphic
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Quartzite (River Pebble)
Metamorphic Quartz (SiO2)
metamorphic
Biotite Schist
Biotite Schist (Rich in K(Mg,Fe)3AlSi3O10(OH)2)
metamorphic
Peridotite (Pyroxenite/Serpentinized Dunite)
Ultramafic Rock (consisting primarily of Olivine and Pyroxene)
igneous
Basalt (Vesicular)
Extrusive mafic igneous rock; primarily (Mg, Fe)2SiO4 (Olivine), CaAl2Si2O8 (Plagioclase Feldspar), and Pyroxene
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Ferro-Manganese Slag
Vitreous Silicate Slag
Anthropogenic (Industrial byproduct)
Red Quartzite River Pebble
Quartzite (SiO2 with iron oxide inclusions)
metamorphic
Olivine (often within Peridotite)
Magnesium iron silicate, (Mg,Fe)2SiO4
mineral
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Mineral
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Chert (Brown Variety)
Silicon dioxide (SiO2)
sedimentary