Rock Identifier

Category

Mineral (Man Enhanced)

Browse mineral (man enhanced) specimens identified by the Rock Identifier community.

Learn about Mineral (Man Enhanced) in the encyclopedia

Pyrolusite

Celsian

Dendritic Jasper

Banalsite

Paracelsian

Feldspar

Jade

Serpentinite

Landscape Opal

Dendritic Opal

Calc-schist

Galena

Moonstone (Orthoclase Feldspar (formula: (K,Na)AlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar (formula: (K,Na)AlSi3O8)

Blue Chalcedony (likely dyed Agate) (Silicon Dioxide (SiO₂)) — mineral

Blue Chalcedony (likely dyed Agate)

Silicon Dioxide (SiO₂)

Rose Quartz (Dyed) (Silicon Dioxide (SiO2) with trace impurities) — mineral

Rose Quartz (Dyed)

Silicon Dioxide (SiO2) with trace impurities

Brown botryoidal chalcedony (likely carnelian/agate) (Microcrystalline quartz, SiO₂ (chalcedony; iron-stained variety)) — mineral

Brown botryoidal chalcedony (likely carnelian/agate)

Microcrystalline quartz, SiO₂ (chalcedony; iron-stained variety)

Polished red plume agate (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide inclusions) — mineral

Polished red plume agate

Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide inclusions

Dyed pink agate slice (Agate (microcrystalline quartz, SiO₂), commonly chalcedony with artificial dye) — mineral

Dyed pink agate slice

Agate (microcrystalline quartz, SiO₂), commonly chalcedony with artificial dye

Diamond (or Simulant) (Carbon (C)) — gemstone

Diamond (or Simulant)

Carbon (C)

Opalite (Synthetic glass (SiO2 + impurities)) — mineral

Opalite

Synthetic glass (SiO2 + impurities)

Dyed Howlite (often sold as 'Turquenite') (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Dyed Howlite (often sold as 'Turquenite')

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Carnelian (Carnelian (SiO2 with iron oxide impurities)) — mineral

Carnelian

Carnelian (SiO2 with iron oxide impurities)

Blue Banded Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Blue Banded Agate

Chalcedony (Silicon Dioxide, SiO2)

Asphalt Concrete (Bituminous Conglomerate) (Anthropogenic Bituminous Conglomerate) — sedimentary

Asphalt Concrete (Bituminous Conglomerate)

Anthropogenic Bituminous Conglomerate

Aura Quartz (Pink/Magenta Aura Quartz) (Silicon Dioxide (SiO2) treated with vapor-deposited precious metals) — mineral

Aura Quartz (Pink/Magenta Aura Quartz)

Silicon Dioxide (SiO2) treated with vapor-deposited precious metals

Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia) (Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy) — Mineral (synthetic) and Metal (precious/base)

Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)

Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy

Mineral (synthetic) and Metal (precious/base)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Not a rock, mineral, or geological specimen — N/A

Not a rock, mineral, or geological specimen

Agate (Silicon dioxide (SiO2) - variety Chalcedony) — mineral

Agate

Silicon dioxide (SiO2) - variety Chalcedony

Blue chalcedony (likely dyed or coated) (Microcrystalline quartz, SiO₂ (chalcedony)) — mineral

Blue chalcedony (likely dyed or coated)

Microcrystalline quartz, SiO₂ (chalcedony)

Polished blue banded agate cabochon/ornamental slab (Microcrystalline quartz (chalcedony), SiO₂, with blue coloring or inclusions) — mineral

Polished blue banded agate cabochon/ornamental slab

Microcrystalline quartz (chalcedony), SiO₂, with blue coloring or inclusions

Dyed druzy quartz pendant (Quartz, SiO₂; likely a dyed druzy quartz cluster) — mineral

Dyed druzy quartz pendant

Quartz, SiO₂; likely a dyed druzy quartz cluster

Blue Sapphire (likely costume glass imitation) (Corundum (Al2O3) with iron/titanium impurities) — mineral

Blue Sapphire (likely costume glass imitation)

Corundum (Al2O3) with iron/titanium impurities

Polished agate geode slice (Chalcedony (microcrystalline quartz, SiO₂), likely blue-gray agate with an open geode cavity) — mineral

Polished agate geode slice

Chalcedony (microcrystalline quartz, SiO₂), likely blue-gray agate with an open geode cavity

Tumbled honey calcite (likely) (Calcite, calcium carbonate (CaCO₃)) — mineral

Tumbled honey calcite (likely)

Calcite, calcium carbonate (CaCO₃)

Polished rainbow jasper (likely ocean/imperial jasper) (Microcrystalline quartz (SiO₂) with iron oxides and varied silicate inclusions) — sedimentary

Polished rainbow jasper (likely ocean/imperial jasper)

Microcrystalline quartz (SiO₂) with iron oxides and varied silicate inclusions

Dyed Pink Agate Slice (Cryptocrystalline variety of Quartz (SiO2)) — mineral

Dyed Pink Agate Slice

Cryptocrystalline variety of Quartz (SiO2)

$Crackle-pattern pyrite cube (Pyrite (iron disulfide, FeS₂), likely a cubic crystal with surface oxidation/fracturing) — mineral$

Crackle-pattern pyrite cube

Pyrite (iron disulfide, FeS₂), likely a cubic crystal with surface oxidation/fracturing

Asphalt Concrete (Bituminous Concrete) — sedimentary (artificial)

Asphalt Concrete

Bituminous Concrete

sedimentary (artificial)

Titanium Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — mineral

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Green Obsidian Sphere (man-made glass) (Vitreous Silica with Chromium/Iron additives) — mineralogical simulant

Green Obsidian Sphere (man-made glass)

Vitreous Silica with Chromium/Iron additives

mineralogical simulant

Blue crystal pendant (likely blue glass or synthetic crystal) (Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral) — gemstone

Blue crystal pendant (likely blue glass or synthetic crystal)

Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral

Yellow Sapphire (Raw) (Corundum (Al2O3)) — mineral

Yellow Sapphire (Raw)

Corundum (Al2O3)

Blue agate slice with quartz crystal cavity (Chalcedony (microcrystalline SiO₂) with quartz (SiO₂)) — mineral

Blue agate slice with quartz crystal cavity

Chalcedony (microcrystalline SiO₂) with quartz (SiO₂)

Blue-dyed banded agate (Microcrystalline quartz (SiO₂), chalcedony variety) — mineral

Blue-dyed banded agate

Microcrystalline quartz (SiO₂), chalcedony variety

Blue Agate (Tumbled and Dyed) (Silicon Dioxide (SiO2) with likely organic dyes) — mineral

Blue Agate (Tumbled and Dyed)

Silicon Dioxide (SiO2) with likely organic dyes

Felsic Drill Core (likely Gneiss or Granite)

Felsic Metamorphic Rock (Gneissic profile)

Carnelian Agate in Matrix (Silicon Dioxide (SiO2)) — mineral

Carnelian Agate in Matrix

Silicon Dioxide (SiO2)

Dyed Agate (Silicon Dioxide (SiO2) with artificial colorants) — mineral

Dyed Agate

Silicon Dioxide (SiO2) with artificial colorants

Pink Dyed Agate (Silicon Dioxide (SiO2) - Variety Agate) — mineral

Pink Dyed Agate

Silicon Dioxide (SiO2) - Variety Agate

Dyed Agate (Silicon Dioxide (SiO2) - Variety Agate / Chalcedony) — mineral

Dyed Agate

Silicon Dioxide (SiO2) - Variety Agate / Chalcedony

Blue Chalcedony (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony (Tumbled)

Silicon Dioxide (SiO2)

Greenschist (Greenschist (composed mainly of chlorite, epidote, actinolite, and albite)) — metamorphic

Greenschist

Greenschist (composed mainly of chlorite, epidote, actinolite, and albite)

Tumbled amethyst (Amethyst, purple quartz (SiO₂)) — mineral

Tumbled amethyst

Amethyst, purple quartz (SiO₂)