Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
mineral
Category
Man Made Material (Jewelry, Metal Alloy)
Browse man made material (jewelry, metal alloy) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Jewelry, Metal Alloy) in the encyclopedia
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Iron Meteorite
Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)
mineral
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Zircon
Zirconium Silicate (ZrSiO₄)
mineral
Stainless Steel Spoon
Iron-Chromium Alloy (Fe + Cr + Ni)
mineral-based human-made alloy
Chert (Green Chert or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chondrite Meteorite
Ordinary Chondrite (L or H group)
igneous
Milky or Iron-Stained Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (specifically Tan/Gray Chert)
Microcrystalline quartz (SiO2)
sedimentary
Chert (varietal: Flint/Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Iron-stained quartz-bearing rock
Quartz (SiO₂), likely in a limonite/goethite-rich matrix
mineral
Nugget of Native Silver
Native Silver (Ag)
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Granite Boulder
Felsic Intrusive Igneous Rock
igneous
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18 with Fe impurities)
mineral
Diamond
Carbon (C)
mineral
Chert (Flint/Chalcedony)
Silicon Dioxide (SiO2)
sedimentary
Quartz crystal pendant
Quartz (silicon dioxide, SiO₂), likely rock crystal or milky quartz
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Copper Ore with Malachite and Chalcocite
Copper-bearing Mineral Assemblage (Cu2CO3(OH)2 + Cu2S)
mineral
Iron Meteorite
Iron-nickel alloy (primarily kamacite and taenite)
Meteorite (extraterrestrial material)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Turquoise cabochon jewelry
Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Diamond
Native Carbon (C)
gemstone
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Likely metallic meteorite fragment
Unclassified iron-rich meteorite; possible stony-iron or iron meteorite
meteorite
Raw Diamond
Carbon (C)
gemstone
Gold
Native Gold (Au)
mineral
Turquoise bead bracelet
Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O
mineral
Diorite (River Pebble)
Intermediate plutonic igneous rock
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Milky Quartz
Silicon dioxide (SiO2)
mineral
Cubic Zirconia
Zirconium Dioxide (ZrO2)
mineral
Blue Quartz / Glass Gemstone Pendant
SiO2 (Silicon Dioxide) or Synthetic Glass
gemstone
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Galena-rich sulfide specimen
Galena (lead sulfide, PbS), possibly with sphalerite and oxidized sulfides
mineral
Jasper (Iron-rich Chalcedony)
Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)
Sedimentary / Metamorphic