Rock Identifier

Category

Man Made Byproduct (Non Geological)

Browse man made byproduct (non geological) specimens identified by the Rock Identifier community.

Learn about Man Made Byproduct (Non Geological) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Zincite

Lherzolite

Gondite

Dunite

White cabochon gemstone, likely milky chalcedony or opalite (Chalcedony: microcrystalline quartz, SiO₂; appearance may also indicate synthetic opalite glass) — gemstone

White cabochon gemstone, likely milky chalcedony or opalite

Chalcedony: microcrystalline quartz, SiO₂; appearance may also indicate synthetic opalite glass

Sandstone Concretion (Sedimentary concretion) — Sedimentary

Sandstone Concretion

Sedimentary concretion

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Synthetic Marbled Aggregate (Footwear Component) (Ethylene-vinyl acetate (Croslite™)) — not a rock (man-made polymer)

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

not a rock (man-made polymer)

Tumbled serpentine (Serpentine-group minerals, chiefly antigorite, lizardite, or chrysotile; approximately Mg₃Si₂O₅(OH)₄) — metamorphic

Tumbled serpentine

Serpentine-group minerals, chiefly antigorite, lizardite, or chrysotile; approximately Mg₃Si₂O₅(OH)₄

Milky quartz pebble (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz pebble

Quartz, silicon dioxide (SiO₂)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Everest (Canis lupus familiaris (Siberian Husky)) — not a rock (animated character)

Everest

Canis lupus familiaris (Siberian Husky)

not a rock (animated character)

Multicolor quartz bead bracelet (Quartz (silicon dioxide, SiO₂); bead colors may be from different varieties or treated quartz) — gemstone

Multicolor quartz bead bracelet

Quartz (silicon dioxide, SiO₂); bead colors may be from different varieties or treated quartz

Green-and-white terrazzo (likely serpentine/marble aggregate) (Composite decorative stone; probable serpentinite (Mg₃Si₂O₅(OH)₄) with white calcite marble fragments in cementitious matrix) — metamorphic

Green-and-white terrazzo (likely serpentine/marble aggregate)

Composite decorative stone; probable serpentinite (Mg₃Si₂O₅(OH)₄) with white calcite marble fragments in cementitious matrix

Carnelian cabochon (Orange-red variety of chalcedony (microcrystalline quartz), SiO₂) — gemstone

Carnelian cabochon

Orange-red variety of chalcedony (microcrystalline quartz), SiO₂

Polished dendritic agate cabochon (likely agate or jasper) (Microcrystalline quartz, SiO₂, commonly chalcedony with iron-oxide inclusions) — gemstone

Polished dendritic agate cabochon (likely agate or jasper)

Microcrystalline quartz, SiO₂, commonly chalcedony with iron-oxide inclusions

Malachite (Malachite, Cu₂CO₃(OH)₂; a banded botryoidal copper carbonate specimen) — mineral

Malachite

Malachite, Cu₂CO₃(OH)₂; a banded botryoidal copper carbonate specimen

Conglomeratic concrete or asphalt aggregate surface with dark bituminous chunks (Polymictic gravel aggregate; dark pieces likely bitumen/asphalt, not a natural rock) — sedimentary

Conglomeratic concrete or asphalt aggregate surface with dark bituminous chunks

Polymictic gravel aggregate; dark pieces likely bitumen/asphalt, not a natural rock

Limestone (Sedimentary Rock (Primarily CaCO3)) — sedimentary

Limestone

Sedimentary Rock (Primarily CaCO3)

Likely clear quartz crystal (possibly cut/polished quartz or glass imitation) (Quartz, silicon dioxide (SiO₂)) — mineral

Likely clear quartz crystal (possibly cut/polished quartz or glass imitation)

Quartz, silicon dioxide (SiO₂)

Beaded bracelet with likely quartz or glass beads (Uncertain; the pale beads may be quartz (SiO₂), but the image does not show diagnostic features) — mineral

Beaded bracelet with likely quartz or glass beads

Uncertain; the pale beads may be quartz (SiO₂), but the image does not show diagnostic features

Barite (Desert Diamond) (Barite (Barium Sulfate, BaSO4)) — mineral

Barite (Desert Diamond)

Barite (Barium Sulfate, BaSO4)

Tumbled chalcedony pendant (likely agate) (Chalcedony, microcrystalline quartz (SiO₂); the pale bands suggest agate) — gemstone

Tumbled chalcedony pendant (likely agate)

Chalcedony, microcrystalline quartz (SiO₂); the pale bands suggest agate

Small weathered mineral/rock fragment (Indeterminate; possibly quartz-bearing feldspathic rock or calcite-rich specimen) — mineral

Small weathered mineral/rock fragment

Indeterminate; possibly quartz-bearing feldspathic rock or calcite-rich specimen

Artificial Rock Face (Faux Rock) (Glass Fiber Reinforced Concrete (GFRC)) — man-made/construction material

Artificial Rock Face (Faux Rock)

Glass Fiber Reinforced Concrete (GFRC)

man-made/construction material

Tiny amber-colored crystal or mineral fragment (Indeterminate from image; possibly quartz, citrine, topaz, or iron-stained feldspar) — mineral

Tiny amber-colored crystal or mineral fragment

Indeterminate from image; possibly quartz, citrine, topaz, or iron-stained feldspar

Red-orange sunstone (likely aventurine feldspar) bead bracelet (Feldspar, commonly oligoclase or labradorite with copper inclusions; composition varies by source) — mineral

Red-orange sunstone (likely aventurine feldspar) bead bracelet

Feldspar, commonly oligoclase or labradorite with copper inclusions; composition varies by source

Black-and-white agate geode pendant (Agate (microcrystalline quartz, SiO₂), likely a hollow geode slice with chalcedony and drusy quartz) — mineral

Black-and-white agate geode pendant

Agate (microcrystalline quartz, SiO₂), likely a hollow geode slice with chalcedony and drusy quartz

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Black onyx bead necklace (Black chalcedony, a microcrystalline quartz variety (SiO₂); beads may be dyed or treated) — gemstone

Black onyx bead necklace

Black chalcedony, a microcrystalline quartz variety (SiO₂); beads may be dyed or treated

Riverstone (Sandstone Pebble) (Arenite (SiO2 with various lithic fragments)) — sedimentary

Riverstone (Sandstone Pebble)

Arenite (SiO2 with various lithic fragments)

Polished orbicular granite heart (Granite, commonly quartz–alkali feldspar–plagioclase–biotite granite; exact locality-dependent) — igneous

Polished orbicular granite heart

Granite, commonly quartz–alkali feldspar–plagioclase–biotite granite; exact locality-dependent

Granodiorite (Intrusive Igneous Rock) — igneous

Granodiorite

Intrusive Igneous Rock

Likely smoky quartz pendant (Smoky quartz, silicon dioxide (SiO₂), quartz variety colored by irradiation-related defects) — gemstone

Likely smoky quartz pendant

Smoky quartz, silicon dioxide (SiO₂), quartz variety colored by irradiation-related defects

Gold nugget or gold-bearing fragment (Native gold (Au), possibly gold-colored metal or coated material) — mineral

Gold nugget or gold-bearing fragment

Native gold (Au), possibly gold-colored metal or coated material

Likely small metallic meteorite fragments (Unclassified iron or stony-iron meteorite; mineralogy cannot be confirmed from the image) — meteorite

Likely small metallic meteorite fragments

Unclassified iron or stony-iron meteorite; mineralogy cannot be confirmed from the image

Tumbled quartz-rich pebble (Microcrystalline quartz (SiO₂), possibly milky quartz or quartzite) — mineral

Tumbled quartz-rich pebble

Microcrystalline quartz (SiO₂), possibly milky quartz or quartzite

Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone) (Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)) — mineral (synthetic)

Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)

Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)

mineral (synthetic)

Engraved purple stone cabochon, possibly amethyst (Unconfirmed; if amethyst, quartz (SiO₂)) — gemstone

Engraved purple stone cabochon, possibly amethyst

Unconfirmed; if amethyst, quartz (SiO₂)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Stamped concrete made to resemble flagstone (Portland-cement concrete with decorative stone-textured finish) — sedimentary

Stamped concrete made to resemble flagstone

Portland-cement concrete with decorative stone-textured finish

Possible fossil tooth or bone fragment (Indeterminate fossilized vertebrate material; species cannot be identified reliably from this image) — fossil

Possible fossil tooth or bone fragment

Indeterminate fossilized vertebrate material; species cannot be identified reliably from this image

Weathered mica-rich schist (Muscovite/biotite schist, likely quartz-bearing) — metamorphic

Weathered mica-rich schist

Muscovite/biotite schist, likely quartz-bearing

Unknown white fragment (Unknown) — unknown

Unknown white fragment

Unknown

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Dark quartz point (possibly smoky quartz) (Quartz, SiO₂; the dark color may indicate smoky quartz, but the image is insufficient to confirm) — mineral

Dark quartz point (possibly smoky quartz)

Quartz, SiO₂; the dark color may indicate smoky quartz, but the image is insufficient to confirm