Hematite
Iron(III) oxide (Fe2O3)
mineral
Category
Manufactured Stone
Browse manufactured stone specimens identified by the Rock Identifier community.
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily Quartz, SiO2)
sedimentary
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite (specifically Pink or Red Quartzite)
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Kfeldspar (Potassium Feldspar)
KAlSi3O8
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,4)10(O,F,OH)2
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Calcite
Calcite (calcium carbonate, CaCO₃)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (Microcline / Orthoclase, KAlSi3O8)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limestone Boulder
Sedimentary Rock (Calcium Carbonate, CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Shale and Pebble Fragment
Sedimentary Rock (Mudstone/Shale with Silica Pebble)
sedimentary
Claystone / Mudstone
Mudstone (Hydrous aluminum silicate rich rock)
sedimentary
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Pegmatite (Feldspar and Quartz)
Pegmatite (KAlSi3O8 / SiO2)
igneous
Satin Spar Gypsum (Satin Spar Selenite)
Hydrous calcium sulfate (CaSO4%C2%A02H2O)
mineral
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Barite
Barium sulfate (BaSO4)
mineral
Red Claystone / Mudstone
Argillaceous sedimentary rock
sedimentary
Chalk
Calcium Carbonate (CaCO3)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Cordierite in Matrix (Iolite)
Magnesium iron aluminium cyclosilicate (Mg,Fe)2Al4Si5O18
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral