Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Category
Man Made Material (Constructed)
Browse man made material (constructed) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Constructed) in the encyclopedia
View all →
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartz Pebble (Beach Chalcedony)
Silicon Dioxide (SiO2)
mineral
Chalk
Micrite (primarily Calcium Carbonate or CaCO3)
sedimentary
Diabase (Greenstone)
Diabase (also known as Dolerite)
igneous
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
mineral (man-made composite)
Blue Sea Glass
Amorphous Silica (Anthropogenic glass)
not a rock (man-made origin)
Sea Glass
Amorphous silicon dioxide (glass)
mineral
Chert / Flint
Chert (varieties include Flint)
Sedimentary
Basalt
Basalt
igneous
Quartzite pebble
Quartzite (SiO2)
metamorphic
Chert
Chert (Microcrystalline Quartz)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite
Metamorphic Quartz Sandstone
metamorphic
Sea Glass
Amorphous Silica (Glass) SiO2
Mineraloid (Man-made origin)
Synthetic Costume Accessory (Non-Geological)
Polyester and Acrylic Fiber (Anthropogenic polymer)
Synthetic / Man-made textile
Sea Glass (Cobalt Blue)
Amorphous Silica (Glass with Cobalt additives)
Anthropogenic specimen (man-made)
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Synthetic (Man-made Glass)
Blue Slag Glass
Ferro-silicate glass (Slag)
igneous (man-made/industrial)
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Mineraloid (Synthetic/Man-made)
Granite
Intrusive Igneous Rock (Granitic)
igneous
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
sedimentary
Granite
Phaneritic Felsic Igneous Rock
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Granite
Granite (Phaneritic Quartz-Feldspar intrusive rock)
Igneous
Quartzite
Metamorphic Quartzite
metamorphic
Green Quartzite
Metamorphic Quartz Sandstone (SiO2)
metamorphic
Red Quartzite
Quartzite (Metamorphosed Quartz Arenite)
metamorphic
Quartzite
Metamorphic Quartz Rock (SiO2)
metamorphic
Natural Pearl
Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3
mineral
Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Flint
SiO2 (Cryptocrystalline Quartz)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Fossilized Coral (Petoskey Stone / Hexagonaria)
Hexagonaria percarinata / Rugosa coral (CaCO3)
fossil
Brecciated Jasper
Brecciated Jasper (Microcrystalline Quartz / SiO2)
sedimentary
Green Aventurine
Silicon Dioxide (SiO2+KAl2(AlSi3O10)(OH)2)
metamorphic
Gabbro
Gabbro (Mg, Fe)2Si2O6 / (Ca, Na)(Al, Si)4O8
igneous
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
igneous
Chert (with Quartz)
Microcrystalline Quartz (SiO2)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral