Quartz (possibly milky quartz)
Quartz (Silica; SiO₂)
Mineral
Category
Metal (Elemental Mineral)
Browse metal (elemental mineral) specimens identified by the Rock Identifier community.
Learn about Metal (Elemental Mineral) in the encyclopedia
View all →
Green cabochon gemstone, likely aventurine or dyed chalcedony
Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony
gemstone
Iron meteorite fragment (probable)
Fe–Ni metallic meteorite, commonly octahedrite (kamacite–taenite)
meteorite
Gold Nugget
Native Gold (Au)
mineral
Pegmatite (Granitic Pegmatite with Quartz, Feldspar, and Mica)
Granitic Pegmatite
igneous
Garnet Schist
Almandine Garnet in Micaceous Schist
metamorphic
Celestite
Celestine (SrSO4)
mineral
Metallic iron meteorite fragments (probable)
Iron meteorite, chiefly kamacite (α-(Fe,Ni)) with possible taenite
meteorite
Silver Flakes in Glass
Silver (Ag)
mineral
Pegmatite with Black Tourmaline
Granitic Pegmatite with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Blue Celestine
Celestine (SrSO4)
mineral
Pegmatitic mica-quartz-feldspar specimen
Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Silicon
Element Si
mineral
Lepidolite
K(Li,Al)3(Al,Si)4O10(F,OH)2 (Lithium-bearing phyllosilicate)
mineral
Amphibolite with Hornblende
Amphibole-rich Metamorphic Rock (Ca2(Mg,Fe)5Si8O22(OH)2)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
man-made/construction material
Gold Nugget
Native Gold (Au)
mineral
Fluorite in Matrix
Fluorite (CaF2) within a host rock matrix
Mineral
Ferromanganese Nodule
Polymetallic Nodule (composed primarily of MnO2 and Fe2O3)
sedimentary
Native Copper
Copper (Cu)
mineral
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Graphite
Graphite (Chemical Formula: C)
Mineral (Native Element)
Pegmatite
Igneous Pegmatite
igneous
Eudialyte in Matrix
Na15Ca6Fe3Zr3Si26O72(OH,Cl,H2O)3
mineral
Pegmatite (Quartz, Feldspar, and Tourmaline/Biotite)
Pegmatitic Igneous Rock
igneous
Pegmatite (Quartz and Feldspar)
Igneous Pegmatite containing SiO2 and KAlSi3O8
igneous
Pegmatite
Pegmatite (felsic intrusive igneous rock)
igneous
Pegmatite with Quartz and Feldspar
Intrusive Igneous Rock
igneous
Pegmatite (Quartz with Tourmaline/Biotite inclusions)
Igneous Pegmatite
igneous
Pegmatite (Granitic) with Tourmaline
Granitic Pegmatite (containing Schorl and Quartz)
igneous
Pegmatite or Graphic Granite
Intrusive Igneous Rock
igneous
Pegmatite
Granitic Pegmatite
igneous
Pegmatite
Igneous Pegmatite
igneous
Pegmatite
Igneous Pegmatite
igneous
Pegmatite
Igneous Pegmatite
igneous
Pegmatite
Igneous Pegmatite (Quartz, Feldspar, Micas)
igneous
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
mineral
Celestite
Celestine (SrSO4)
mineral
Celestite Geode
Strontium Sulfate (SrSO4)
mineral