Rock Identifier

Category

Not A Natural Rock

Browse not a natural rock specimens identified by the Rock Identifier community.

Learn about Not A Natural Rock in the encyclopedia

Asphalt Rock

Rock Gypsum

Coral Rock

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Chalk

Obsidian

Baddeleyite

Cataclasite

Anorthosite

Kimberlite

Green Quartz (likely Aventurine or Prasiolite) (Silicon Dioxide (SiO2) with inclusions) — mineral

Green Quartz (likely Aventurine or Prasiolite)

Silicon Dioxide (SiO2) with inclusions

Amethyst (Silicon Dioxide (SiO2) containing iron impurities and irradiation) — mineral

Amethyst

Silicon Dioxide (SiO2) containing iron impurities and irradiation

Black Onyx (Silicon Dioxide (SiO2)) — mineral

Black Onyx

Silicon Dioxide (SiO2)

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Smoky Quartz (Rough) (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz (Rough)

Silicon Dioxide (SiO2)

Yellow Citrine Quartz (Silicon Dioxide (SiO₂)) — mineral

Yellow Citrine Quartz

Silicon Dioxide (SiO₂)

Smoky Quartz (with inclusions) (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz (with inclusions)

Silicon Dioxide (SiO2)

Red Tiger's Eye (SiO2 (Silicon Dioxide with iron inclusions)) — mineral

Red Tiger's Eye

SiO2 (Silicon Dioxide with iron inclusions)

Amethyst (Pale/Light Variety) (Quartz (Silicon Dioxide) with Iron impurities - SiO2) — mineral

Amethyst (Pale/Light Variety)

Quartz (Silicon Dioxide) with Iron impurities - SiO2

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass) (Silicon Dioxide (SiO2) with metallic inclusions) — man-made material

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

man-made material

Diamond (in a jewelry setting) (Carbon (C)) — mineral

Diamond (in a jewelry setting)

Carbon (C)

Emerald (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)) — mineral

Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Diamond (Diamond (C)) — Mineral

Diamond

Diamond (C)

Yellow Ocher (Limonite) (Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O) — mineral

Yellow Ocher (Limonite)

Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O

Dalmation Jasper (Perthitic Feldspar with Arfvedsonite inclusions) — igneous

Dalmation Jasper

Perthitic Feldspar with Arfvedsonite inclusions

Aura Quartz (specifically Titanium Aura Quartz) (Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)) — mineral

Aura Quartz (specifically Titanium Aura Quartz)

Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)

Citrine Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Titanium Coated Quartz (Aura Quartz) (Silicon dioxide with titanium vapor deposition (SiO2)) — mineral

Titanium Coated Quartz (Aura Quartz)

Silicon dioxide with titanium vapor deposition (SiO2)

Seven Chakra Bonded Stone (Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz) — metamorphic

Seven Chakra Bonded Stone

Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Orange Quartz (Citrine or Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Orange Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Heat-Treated Citrine (Amethyst) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Heat-Treated Citrine (Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Black Pearl (Tahitian Style) (Calcium Carbonate (Aragonite) - CaCO3 with Conchiolin) — mineral

Black Pearl (Tahitian Style)

Calcium Carbonate (Aragonite) - CaCO3 with Conchiolin

Quartz (Engineered Stone Countertop) (Silicon Dioxide (SiO2) with polymer resins) — Sedimentary-like (Industrial Composite)

Quartz (Engineered Stone Countertop)

Silicon Dioxide (SiO2) with polymer resins

Sedimentary-like (Industrial Composite)

Silicon Carbide (Carborundum) (Silicon Carbide (SiC) / Moissanite (natural)) — mineral

Silicon Carbide (Carborundum)

Silicon Carbide (SiC) / Moissanite (natural)

Magnetite / Ironstone Pebble (Magnetite (Fe3O4)) — mineral

Magnetite / Ironstone Pebble

Magnetite (Fe3O4)

Corundum (Corundum (Al2O3)) — Mineral

Corundum

Corundum (Al2O3)

Dalmatian Stone (Dalmatian Jasper (Aplite rock composition)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aplite rock composition)

Gossan (with Limonite/Hematite coating) (Ferruginous Gossan (Fe2O3·nH2O / Fe2O3)) — sedimentary

Gossan (with Limonite/Hematite coating)

Ferruginous Gossan (Fe2O3·nH2O / Fe2O3)

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Limonite or Ironstone (Hydrated iron oxide-hydroxide, approximately FeO(OH)·n(H2O)) — mineral

Limonite or Ironstone

Hydrated iron oxide-hydroxide, approximately FeO(OH)·n(H2O)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Amber (Succinates) — mineraloid

Amber

Succinates

Black Obsidian (Volcanic Glass (SiO2 + impurities)) — Igneous

Black Obsidian

Volcanic Glass (SiO2 + impurities)

Wishing Stone (Quartz-veined Metamorphic/Sedimentary Rock) (Quartz Vein in Greywacke/Slate (SiO2 in host rock)) — metamorphic

Wishing Stone (Quartz-veined Metamorphic/Sedimentary Rock)

Quartz Vein in Greywacke/Slate (SiO2 in host rock)

Hag Stone (Flint with natural hole) (Silicon Dioxide (SiO2) - Nodular Chert / Flint) — sedimentary

Hag Stone (Flint with natural hole)

Silicon Dioxide (SiO2) - Nodular Chert / Flint

Weathered iron-rich rock, likely laterite or ironstone (Ferruginous laterite/ironstone, composed mainly of goethite (FeO(OH)), hematite (Fe₂O₃), and clay minerals) — sedimentary

Weathered iron-rich rock, likely laterite or ironstone

Ferruginous laterite/ironstone, composed mainly of goethite (FeO(OH)), hematite (Fe₂O₃), and clay minerals

Quartz Crystal (Citrine / Golden Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal (Citrine / Golden Quartz)

Silicon Dioxide (SiO2)

Pearl (Biogenic Gemstone) (Calcium Carbonate (Aragonite and Calcite) with Conchiolin) — gemstone

Pearl (Biogenic Gemstone)

Calcium Carbonate (Aragonite and Calcite) with Conchiolin

Tumbled Aventurine and Smoky Quartz (Ametrine variant) (Silicon Dioxide (SiO2)) — mineral

Tumbled Aventurine and Smoky Quartz (Ametrine variant)

Silicon Dioxide (SiO2)

Diamond (C (Carbon)) — gemstone

Diamond

C (Carbon)