Granite
Granite
Category
Browse igneous specimens identified by the Rock Identifier community.
Granite
Granite
Apatite
Fluorapatite (Ca5(PO4)3F)
Sodalite
Na8(Al6Si6O24)Cl2
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
Magnetite
Iron(II,III) oxide (Fe3O4)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Granite
Granite
Granite
Granite
Polished gray stone, likely labradorite or gneiss
Indeterminate from image; possibly plagioclase-rich gneiss or labradorite-bearing rock
Basalt
Basalt
Dalmatian Jasper
Aplite with Arfvedsonite inclusions
Blue Apatite
Apatite (Group), Ca5(PO4)3(F,Cl,OH)
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Polished dark-speckled igneous pebble, likely diorite or gabbro
Probable diorite (plagioclase feldspar and hornblende/biotite); exact identification is uncertain from the image
Magnetite
Magnetite (Fe3O4)
Blue Apatite
Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)
Rose Quartz
Silicon dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Red cabochon gemstone, likely garnet
Likely almandine garnet, Fe₃Al₂(SiO₄)₃; identification from the image is uncertain
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Pegmatite
Igneous Pegmatite
Pegmatite
Igneous Pegmatite
Pegmatite
Igneous Pegmatite
Pegmatite
Igneous Pegmatite
Magnetite
Magnetite (Fe3O4)
Crushed Granite and Basalt
Phaneritic Igneous Rock / Aphanitic Igneous Rock
Rounded granite pebble
Granite; chiefly quartz, feldspar, and mica
Weathered granitic boulder
Granite, typically composed of quartz, feldspar, and mica
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Likely raw rose quartz or pink feldspar fragment
Quartz (SiO₂), possibly pink feldspar such as orthoclase
Magnetite (potentially Hematite)
Magnetite (Fe₃O₄)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Granite Pebble
Granite
Porphyritic Igneous Pebble / Porphyry
Porphyritic Igneous Rock
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
Pegmatite (Quartz with Tourmaline/Biotite inclusions)
Igneous Pegmatite
Pegmatite
Igneous Pegmatite
Pegmatite (Quartz and Feldspar with Dark Minerals)
Igneous Pegmatite
Pegmatite
Igneous Pegmatite
Pyrite
Iron Sulfide (FeS2)