Diorite
Intrusive Igneous Diorite
Category
Browse igneous and sedimentary specimens identified by the Rock Identifier community.
Diorite
Intrusive Igneous Diorite
Basalt
Mafic Igneous Rock
Basalt
Mafic Igneous Rock
Basalt
Mafic Igneous Rock
Basalt
Mafic Igneous Basalt
Basalt
Mafic Igneous Rock
Diorite
Intrusive Igneous Diorite
Basalt River Stone
Basaltic Igneous Rock
Pyrite
Iron Sulfide (FeS2)
Hematite
Hematite (Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Granite
Phaneritic plutonic rock (SiO2 range 65-75%)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide with trace Titanium, Iron, or Manganese)
Agate
SiO2
Sodalite
Na8(Al6Si6O24)Cl2
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Calcite
Calcite (Calcium Carbonate, CaCO3)
Schist
N/A (a rock type, not a mineral formula)
Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
Dalmatian Jasper
Peralkaline Feldspar Diorite/Rhyolite
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
Granite
Phaneritic Felsic Igneous Rock
Granite
Phaneritic plutonic rock (Quartz-Alkali Feldspar-Plagioclase)
Granite
Phaneritic Felsic Igneous Rock (composed of SiO2, KAlSi3O8, NaAlSi3O8)
Granite
Felsic Plutonic Rock (primarily SiO2)
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Granite
Phaneritic plutonic rock (Quartz + Feldspar + Mica)
Granite (River Pebble)
Phaneritic intrusive igneous rock (Felsic)
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, Mica)
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Translucent/Rose variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)