Rock Identifier

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Browse not a rock (animated character) specimens identified by the Rock Identifier community.

Amethyst (Silicon dioxide / Violet Quartz (SiO2)) — mineral

Amethyst

Silicon dioxide / Violet Quartz (SiO2)

Dendritic Agate (or Dendritic Opal) (SiO2 (for Agate), SiO2·nH2O (for Opal)) — Mineral

Dendritic Agate (or Dendritic Opal)

SiO2 (for Agate), SiO2·nH2O (for Opal)

Obsidian (Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)) — igneous

Obsidian

Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Rose Quartz (SiO2 (Silicon Dioxide)) — mineral

Rose Quartz

SiO2 (Silicon Dioxide)

Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride, CaF2)

Breciated Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — sedimentary

Breciated Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Hematite / Goethite (Iron Ore) (Iron Oxide (Fe2O3 / FeO(OH))) — mineral

Hematite / Goethite (Iron Ore)

Iron Oxide (Fe2O3 / FeO(OH))

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Jasper (Willow Creek/Desert style) (Silicon Dioxide (SiO2) with iron and clay impurities) — sedimentary

Jasper (Willow Creek/Desert style)

Silicon Dioxide (SiO2) with iron and clay impurities

Himalayan Salt (Halite) (Halite (NaCl) with trace minerals) — mineral

Himalayan Salt (Halite)

Halite (NaCl) with trace minerals

Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Ferruginous Quartz (Iron-stained Quartz) (Silicon Dioxide with Iron Oxide (SiO2 with traces of Fe2O3/FeO(OH))) — mineral

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide with Iron Oxide (SiO2 with traces of Fe2O3/FeO(OH))

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — Mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Lapis Lazuli Globe (Complex mixture of Lazurite ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2), Calcite, and Pyrite) — metamorphic

Lapis Lazuli Globe

Complex mixture of Lazurite ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2), Calcite, and Pyrite

Obsidian (Volcanic glass (high silica SiO2)) — igneous

Obsidian

Volcanic glass (high silica SiO2)

Moss Agate (Moss Agate (a variety of Chalcedony, SiO

₂)) — Mineral (specifically a variety of Chalcedony, which is microcrystalline Quartz)

Moss Agate

Moss Agate (a variety of Chalcedony, SiO ₂)

Mineral (specifically a variety of Chalcedony, which is microcrystalline Quartz)

Amethyst (Amethyst is a variety of Quartz (SiO₂)) — Mineral

Amethyst

Amethyst is a variety of Quartz (SiO₂)

Prehnite (Prehnite, Ca2Al2Si3O10(OH)2) — Mineral

Prehnite

Prehnite, Ca2Al2Si3O10(OH)2

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)

Synthetic Resin (Artificial Specimen) (Polyurethane or Polyester Resin) — mineraloid (man-made)

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

mineraloid (man-made)

Amber (Succinite (with a generalized formula of C10H16O)) — mineral

Amber

Succinite (with a generalized formula of C10H16O)

Celestite (Celestine) (Strontium sulfate (SrSO4)) — Mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

Tektite (Indochinite) (Tektite (natural glass, SiO2 + Al2O3)) — mineral

Tektite (Indochinite)

Tektite (natural glass, SiO2 + Al2O3)

Carnelian (Chalcedony (cryptocrystalline quartz), SiO2) — Mineral

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2

Amethyst (Quartz (SiO2) with trace iron impurities) — Mineral

Amethyst

Quartz (SiO2) with trace iron impurities

Fossil Coral (Fossilized Scleractinia or Tabulata (various genera/species)) — Sedimentary

Fossil Coral

Fossilized Scleractinia or Tabulata (various genera/species)

Obsidian (Obsidian (Amorphous volcanic glass, SiO2 with impurities)) — igneous

Obsidian

Obsidian (Amorphous volcanic glass, SiO2 with impurities)

Amethyst (Digital/Conceptual Representation) (Amethyst (Silicon Dioxide with iron impurities, SiO2)) — mineral

Amethyst (Digital/Conceptual Representation)

Amethyst (Silicon Dioxide with iron impurities, SiO2)

Amethyst (variety of Quartz) (SiO2 (Silicon Dioxide) with trace iron impurities) — Mineral

Amethyst (variety of Quartz)

SiO2 (Silicon Dioxide) with trace iron impurities

Conglomerate (Conglomerate (a clastic sedimentary rock)) — Sedimentary

Conglomerate

Conglomerate (a clastic sedimentary rock)

Puddingstone (Jasper Conglomerate) (Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)) — Sedimentary

Puddingstone (Jasper Conglomerate)

Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)

Limonite (Iron Stone/Gossen) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Stone/Gossen)

Limonite (FeO(OH)·nH2O)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)

Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Green Jasper (Chert) (Silicon Dioxide (SiO2)) — sedimentary

Green Jasper (Chert)

Silicon Dioxide (SiO2)

Biotite Mica (Biotite, K(Mg,Fe)3AlSi3O10(F,OH)2) — mineral

Biotite Mica

Biotite, K(Mg,Fe)3AlSi3O10(F,OH)2

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

Amethyst

SiO2 (Silicon Dioxide with iron impurities)

Amazonite (Amazonite (KAlSi3O8) - a variety of Microcline Feldspar) — Mineral

Amazonite

Amazonite (KAlSi3O8) - a variety of Microcline Feldspar

Aquamarine (Beryl (Be3Al2Si6O18 with iron traces)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with iron traces)

Obsidian (Volcanic glass (primary composition: SiO2)) — igneous

Obsidian

Volcanic glass (primary composition: SiO2)