Rock Identifier

Category

Synthetic (Not A Natural Rock)

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

Learn about Synthetic (Not A Natural Rock) in the encyclopedia

Asphalt Rock

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Chalk

Zircon

Obsidian

Kimberlite

Emerald in Matrix

Emerald in Matrix

Tripolite

Guano

Halite

Aquamarine Matrix

Aquamarine Matrix

Rock Salt

Titanium Amethyst Geode (Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer) — mineral

Titanium Amethyst Geode

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer

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

Quartz (Citrine)

Silicon Dioxide (SiO2)

Diamond (Natural Diamond (Carbon, C)) — gemstone

Diamond

Natural Diamond (Carbon, C)

Amethyst on Matrix (Amethyst (Silicon Dioxide, SiO2) with impurities of iron and irradiation) — mineral

Amethyst on Matrix

Amethyst (Silicon Dioxide, SiO2) with impurities of iron and irradiation

Cherry Quartz (SiO2 (Silicon Dioxide with iron-rich inclusions/dye)) — mineral

Cherry Quartz

SiO2 (Silicon Dioxide with iron-rich inclusions/dye)

Chert (Hagstone / Lucky Stone) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Hagstone / Lucky Stone)

Microcrystalline Quartz (SiO2)

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

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

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

Tektite (Natural impact glass) — meteorite

Tektite

Natural impact glass

Dyed Chalcedony (Agate) (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Chalcedony (Agate)

Silicon Dioxide (SiO2) with artificial pigment

Blue Topaz (Cut Gemstone) (Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)) — gemstone

Blue Topaz (Cut Gemstone)

Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Quartzite (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz (SiO2)

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

Milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Tektite (Indochinite) (Impactite (Natural Glass)) — meteorite

Tektite (Indochinite)

Impactite (Natural Glass)

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

Citrine and Quartz

Silicon Dioxide (SiO2)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Diamond (Natural Carbon (C)) — mineral

Diamond

Natural Carbon (C)

Citrine (Citrine (Silicon Dioxide, SiO2)) — mineral

Citrine

Citrine (Silicon Dioxide, SiO2)

Citrine Quartz (Crystalline Quartz (SiO2) with iron impurities) — mineral

Citrine Quartz

Crystalline Quartz (SiO2) with iron impurities

Citrine Quartz (Macrocrystalline Quartz (SiO2)) — mineral

Citrine Quartz

Macrocrystalline Quartz (SiO2)

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

Yellow Quartz (Citrine Quartz Pebble)

Silicon Dioxide (SiO2)

Dyed Blue Agate (Chalcedony (SiO2) with artificial dye) — gemstone

Dyed Blue Agate

Chalcedony (SiO2) with artificial dye

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Amethyst (Silicon dioxide with iron impurities (SiO2 + Fe3+)) — mineral

Amethyst

Silicon dioxide with iron impurities (SiO2 + Fe3+)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Blue Agate (Dyed) (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Blue Agate (Dyed)

Silicon Dioxide (SiO2) with artificial pigment

Diamond (Diamond (Native Carbon, C)) — mineral

Diamond

Diamond (Native Carbon, C)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — mineral

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Diamond (Diamond (Pure Carbon, C)) — mineral

Diamond

Diamond (Pure Carbon, C)

Citrine (Heat-Treated) (Silicon Dioxide (SiO2)) — mineral

Citrine (Heat-Treated)

Silicon Dioxide (SiO2)

Diamond (Natural Carbon (C)) — mineral

Diamond

Natural Carbon (C)

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

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

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Healer's Gold (Iron-Stained Quartz Cluster) (Silicon Dioxide with Iron Oxide Coating (SiO2)) — mineral

Healer's Gold (Iron-Stained Quartz Cluster)

Silicon Dioxide with Iron Oxide Coating (SiO2)

Diamond (in Jewelry) (Carbon (C)) — gemstone

Diamond (in Jewelry)

Carbon (C)

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

Yellow Quartz (Citrine Quartz Pebble)

Silicon Dioxide (SiO2)

Ruby in Zoisite (Anyolite) or possibly a dyed stone/agate (Anyolite (Ruby in green zoisite) or artificially altered chalcedony) — metamorphic

Ruby in Zoisite (Anyolite) or possibly a dyed stone/agate

Anyolite (Ruby in green zoisite) or artificially altered chalcedony

Tektite (Natural impact glass) — meteorite

Tektite

Natural impact glass

Diamond (Round Brilliant Cut) (Carbon (C)) — gemstone

Diamond (Round Brilliant Cut)

Carbon (C)