Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Category
Metal (Elemental Mineral)
Browse metal (elemental mineral) specimens identified by the Rock Identifier community.
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Amber cabochon pendant
Amber (fossilized tree resin; chiefly polymerized terpenoids)
gemstone
Pyrite in Quartz
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Quartz Vein / Quartz Matrix
Silicon Dioxide (SiO2)
mineral
Granite
Felsic intrusive igneous rock
igneous
Colorless Quartz (Rhinestone)
Silicon Dioxide (SiO2)
mineral
Amber jewelry (possibly amber-colored glass or resin)
Amber — fossilized plant resin, chiefly composed of polymerized terpenoids; the pictured material cannot be confirmed from the image
gemstone
Bismuth crystal
Bismuth (Bi), commonly laboratory-grown
mineral
Bismuth crystal aggregate
Bismuth (Bi), commonly laboratory-grown
mineral
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Bauxite
Bauxite (Al2O3·2H2O)
sedimentary
Amygdaloidal Basalt
Extrusive mafic igneous rock with amygdules
igneous
Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Bauxite
Al2O3·2H2O (Aluminum Hydroxide)
sedimentary
Granite
Granite (Intrusive Igneous Rock)
igneous
Pyrite
Iron Sulfide (FeS2)
mineral
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
mineral (man-made aura treatment)
Native metal specimen, likely galena or metallic slag
Probably galena (lead sulfide, PbS); identification is uncertain from the image alone
mineral
Opalite-style glass pendant
Man-made opalescent glass (not natural opal)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Intrusive Igneous Rock (Felsic)
igneous
Multicolor quartz bead bracelet
Quartz (silicon dioxide, SiO₂); bead colors may be from different varieties or treated quartz
gemstone
Gossan (Iron Hat)
Limonitic Gossan (predominantly FeO(OH)·nH2O)
igneous/metamorphic derivative
Quartz Vein in Host Rock
Hydrothermal Quartz (SiO2) in Slates/Schists
metamorphic
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Native Gold Flake
Gold (Au)
mineral
Aura Quartz Geode
Titanium/Gold bonded Quartz (SiO2 with metallic coating)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of Titanium, Manganese, or Iron
mineral
Quartz cabochon turtle pendant
Quartz (SiO₂), likely a translucent variety with natural inclusions
gemstone
Silver (S925)
Native Silver (Ag)
mineral
Gossan / Iron Ore Rock
Hematite / Goethite / Limonite iron oxide assemblage
mineral
Blue topaz-style pendant gemstone
Likely blue topaz (Al₂SiO₄(F,OH)₂); the image cannot confirm the stone or whether it is natural or synthetic.
gemstone
Milky quartz with possible mica or feldspar inclusions
Quartz (SiO₂), likely with minor inclusions
mineral
Granite
Intrusive Igneous Rock
igneous
Quartz-rich hydrothermal ore rock, likely gold-bearing quartz vein
Milky quartz (SiO₂) with iron-oxide staining and probable sulfide minerals; host rock may be schist or altered granite
metamorphic
Polished dendritic agate pendant
Microcrystalline quartz (SiO₂), with dark manganese- or iron-oxide dendrites
mineral
Possible iron-rich meteorite or metallic sulfide-bearing rock
Unconfirmed; candidates include stony-iron meteorite, iron meteorite, or pyrite-bearing terrestrial rock
meteorite
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
mineral (synthetic)
Granite
Felsic intrusive igneous rock
igneous
Possible weathered metallic mineral specimen
Uncertain; possibly native copper-bearing rock or iron sulfide in a gray host matrix
mineral