Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
sedimentary
Category
Man Made Material (Metal)
Browse man made material (metal) specimens identified by the Rock Identifier community.
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Gold
Native Gold (Au)
mineral
Banded Chert Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Quartz Vein / Quartz Matrix
Silicon Dioxide (SiO2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Orange cabochon gemstone, likely amber or amber-like resin
Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing
gemstone
Jade (likely nephrite)
Nephrite jade: interlocking actinolite–tremolite amphibole, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂; exact identification requires testing
metamorphic
Diamond
Carbon (C)
mineral
Granodiorite
Phaneritic Plutonic Intermediate-Felsic Rock
igneous
Sandstone Concretion
Sedimentary concretion
Sedimentary
Blue Lace Agate
Chalcedony (SiO2) with trace inclusions
mineral
Obsidian
Volcanic Glass (Amorphous Silicon Dioxide)
igneous
Sandstone (Water-worn Cobble)
Arenite (SiO2 with CaCO3 or Fe2O3 cement)
sedimentary
Iron-rich meteorite candidate
Unclassified iron meteorite, possibly an ordinary chondrite or weathered iron oxide-rich meteorite
meteorite
Iron Slag
Anthropogenic Iron oxide/Silicate composite
Mineral-like byproduct (Technogenic)
Zinc Ore (Sphalerite in Matrix)
Sphalerite (Zn,Fe)S within a carbonate or silicate host rock
mineral
Limonite with Quartz (Gossan)
Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)
Mineral
Slag
Anthropogenic Iron Silicate Glass
mineral
Gossan (Iron Hat)
Limonitic Gossan (predominantly FeO(OH)·nH2O)
igneous/metamorphic derivative
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
gemstone
Gossan (Iron Hat)
Limonitic Gossan (Fe-oxide/hydroxide complex)
igneous
Gold
Gold (Au)
mineral
Yellow Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite
Metamorphic rock (SiO2)
metamorphic
Beryl (Aquamarine)
Be3Al2Si6O18
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Metamorphosed Sandstone (SiO2)
metamorphic
Gossan (with secondary copper minerals)
Iron-rich oxidized rock cap (Limonite/Goethite with Malachite/Chrysocolla inclusions)
metamorphic
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
SiO2 (Silicon Dioxide)
metamorphic
Pumice
Vesicular volcanic glass (primarily Alumino-silicates)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Bull Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz / Quartzite
Silicon Dioxide (SiO2)
metamorphic
Quartzite with Quartz Veining
Quartzite (consisting primarily of SiO2)
metamorphic
Honey Calcite (Yellow Calcite)
Calcium Carbonate (CaCO3)
mineral