Rock Identifier

Category

Mineral (Impactite)

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

Learn about Mineral (Impactite) in the encyclopedia

Suevite

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

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

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Concretion (Septarian Concretion) — sedimentary

Concretion

Septarian Concretion

Likely garnet-bearing rock fragment (Garnet-bearing schist or gneiss; garnet is commonly almandine, Fe₃Al₂(SiO₄)₃) — metamorphic

Likely garnet-bearing rock fragment

Garnet-bearing schist or gneiss; garnet is commonly almandine, Fe₃Al₂(SiO₄)₃

Lapis Lazuli (Lapis Lazuli (Mineral composition: Lazurite, Calcite, Sodalite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Mineral composition: Lazurite, Calcite, Sodalite, and Pyrite)

Tumbled green stone, likely serpentine (Serpentine-group minerals, commonly antigorite or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄) — mineral

Tumbled green stone, likely serpentine

Serpentine-group minerals, commonly antigorite or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄

Unidentified pale mineral or rock specimen (Indeterminate; image quality prevents reliable mineral identification) — mineral

Unidentified pale mineral or rock specimen

Indeterminate; image quality prevents reliable mineral identification

Unidentified pale mineral fragment (Likely quartz or calcite; image resolution prevents confident identification) — mineral

Unidentified pale mineral fragment

Likely quartz or calcite; image resolution prevents confident identification

Unidentified metallic-looking mineral fragment (Indeterminate; possible galena, magnetite, or metal-rich sulfide/ore fragment) — mineral

Unidentified metallic-looking mineral fragment

Indeterminate; possible galena, magnetite, or metal-rich sulfide/ore fragment

Uncertain polished mineral specimen (Indeterminate; possibly quartz or feldspar with iron-oxide staining) — mineral

Uncertain polished mineral specimen

Indeterminate; possibly quartz or feldspar with iron-oxide staining

Unidentified small mineral fragments (Likely quartz- or feldspar-rich material; species cannot be determined reliably from the image) — mineral

Unidentified small mineral fragments

Likely quartz- or feldspar-rich material; species cannot be determined reliably from the image

Turquoise (Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2) with Hematite/Limonite) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2) with Hematite/Limonite

Turquoise or Chrysocolla (Inlaid Jewelry) (Hydrated copper aluminum phosphate / Hydrated copper phyllosilicate) — mineral

Turquoise or Chrysocolla (Inlaid Jewelry)

Hydrated copper aluminum phosphate / Hydrated copper phyllosilicate

Ironstone (likely Limonite or Goethite nodule) (Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)) — sedimentary

Ironstone (likely Limonite or Goethite nodule)

Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)

Limonite with Hematite (Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)) — mineral

Limonite with Hematite

Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)

Ironstone Concretions (Ironstone) (Ferruginous Sandstone or Siltstone (Fe2O3)) — sedimentary

Ironstone Concretions (Ironstone)

Ferruginous Sandstone or Siltstone (Fe2O3)

Turquoise (CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)) — gemstone

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)

Wulfenite (Lead Molybdate, PbMoO4) — mineral

Wulfenite

Lead Molybdate, PbMoO4

Vanadinite (Vanadinite (Pb5(VO4)3Cl)) — mineral

Vanadinite

Vanadinite (Pb5(VO4)3Cl)

Geode (Quartz / Chalcedony nodule) — sedimentary

Geode

Quartz / Chalcedony nodule

Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Limonite (Gossan) (FeO(OH)·nH2O (Hydrated Iron Oxide)) — mineral

Limonite (Gossan)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Vanadinite (Vanadinite (Pb5(VO4)3Cl)) — mineral

Vanadinite

Vanadinite (Pb5(VO4)3Cl)

Turquoise (Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O

Malachite (Copper carbonate hydroxide [Cu2CO3(OH)2]) — mineral

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

Kidney Stone (Nephrolith (typically Calcium Oxalate - CaC2O4)) — mineral

Kidney Stone

Nephrolith (typically Calcium Oxalate - CaC2O4)

Green Moonstone (Garnierite) (Nickel-bearing Magnesium Silicate (often a mix of Serpentine and Talc/Chlorite groups)) — mineral

Green Moonstone (Garnierite)

Nickel-bearing Magnesium Silicate (often a mix of Serpentine and Talc/Chlorite groups)

Fossilized Shark Tooth (Carcharodon (Galeocerdo sp. or Lamniform)) — mineral

Fossilized Shark Tooth

Carcharodon (Galeocerdo sp. or Lamniform)

Pyrite in Matrix (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix

Iron Sulfide (FeS2)

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Limonite (Iron Ore) (FeO(OH)·nH2O) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O

Tumbled serpentine (Serpentine-group minerals, chiefly Mg₃Si₂O₅(OH)₄) — metamorphic

Tumbled serpentine

Serpentine-group minerals, chiefly Mg₃Si₂O₅(OH)₄

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Banded gneiss (Gneiss, commonly quartz–feldspar–biotite gneiss) — metamorphic

Banded gneiss

Gneiss, commonly quartz–feldspar–biotite gneiss

Weathered granite or granitic gneiss (Granite: quartz + feldspar + biotite/hornblende; possible gneissic equivalent) — igneous

Weathered granite or granitic gneiss

Granite: quartz + feldspar + biotite/hornblende; possible gneissic equivalent

Diorite (River Rock/Cobble) (Intermediate Plutonic Igneous Rock (Diorite)) — igneous

Diorite (River Rock/Cobble)

Intermediate Plutonic Igneous Rock (Diorite)

Gneiss (Gneiss (High-grade regional metamorphic rock)) — Metamorphic

Gneiss

Gneiss (High-grade regional metamorphic rock)

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Diorite (Phaneritic intermediate plutonic rock) — igneous

Diorite

Phaneritic intermediate plutonic rock