Rock Identifier

Category

Mineral (Processed Metal)

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

Learn about Mineral (Processed Metal) in the encyclopedia

Cassiterite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Magnetite (Lodestone variety) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

Tourmaline (Complex Borosilicate - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite species)) — mineral

Tourmaline

Complex Borosilicate - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite species)

Rhodonite (Manganese silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese silicate (Mn,Fe,Mg,Ca)SiO3

Undetermined Due to Blur (Possible Flesh-Tone Mineral) (Unknown (Insufficient Visual Clarity)) — Mineral

Undetermined Due to Blur (Possible Flesh-Tone Mineral)

Unknown (Insufficient Visual Clarity)

Gray Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Gray Agate

Cryptocrystalline Quartz (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Caribbean Calcite (Calcite and Aragonite (CaCO3)) — mineral

Caribbean Calcite

Calcite and Aragonite (CaCO3)

Tiger's Eye (Titanium-containing Quartz (Silica: SiO2)) — Mineral

Tiger's Eye

Titanium-containing Quartz (Silica: SiO2)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Quartz Vein Rock (Silicon Dioxide (SiO2)) — mineral

Quartz Vein Rock

Silicon Dioxide (SiO2)

Sandstone Pebble (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone Pebble

Arenite (Siliclastic sedimentary rock)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Azurite (Cu3(CO3)2(OH)2) — mineral

Azurite

Cu3(CO3)2(OH)2

Quartz or possibly Jasper/Chert. Looks like a tumbled or water-worn stone. (SiO2 (Silicon Dioxide)) — Mineral or Sedimentary (if chert)

Quartz or possibly Jasper/Chert. Looks like a tumbled or water-worn stone.

SiO2 (Silicon Dioxide)

Mineral or Sedimentary (if chert)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Granite with Pyrite or Mica (Phaneritic intrusive igneous rock) — igneous

Granite with Pyrite or Mica

Phaneritic intrusive igneous rock

Tumbled copper-bearing rock, likely chrysocolla-bearing basalt or copper ore (Chrysocolla (hydrated copper phyllosilicate, approximately Cu₂H₂Si₂O₅(OH)₄·nH₂O) in a dark volcanic host) — mineral

Tumbled copper-bearing rock, likely chrysocolla-bearing basalt or copper ore

Chrysocolla (hydrated copper phyllosilicate, approximately Cu₂H₂Si₂O₅(OH)₄·nH₂O) in a dark volcanic host

Phantom Quartz (Chlorite Inclusion) (Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Al)6(Si,Al)4O10(OH)8) — mineral

Phantom Quartz (Chlorite Inclusion)

Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Al)6(Si,Al)4O10(OH)8

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

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

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Biological Bone (Patella/Knee) (Patella (part of the Human Skeletal System)) — Organic Structure (Not a Rock)

Biological Bone (Patella/Knee)

Patella (part of the Human Skeletal System)

Organic Structure (Not a Rock)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — Mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Blue Apatite (Fluorapatite - Ca5(PO4)3F) — mineral

Blue Apatite

Fluorapatite - Ca5(PO4)3F

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Stilbite (Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O)) — mineral

Stilbite

Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O)

Green Calcite (Calcite (CaCO3)) — mineral

Green Calcite

Calcite (CaCO3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Okenite (in Zeolite matrix) (Okenite (CaSi2O5 · 2H2O)) — mineral

Okenite (in Zeolite matrix)

Okenite (CaSi2O5 · 2H2O)

Fossilized Bone / Dinosaur Fossil (Fossilized vertebrate bone (permineralized)) — fossil

Fossilized Bone / Dinosaur Fossil

Fossilized vertebrate bone (permineralized)

Mixed Mineral and Rock Collection (Mixed geological specimens (Quartz, Amethyst, Rose Quartz, Jasper, Epidote, Chert)) — mineral

Mixed Mineral and Rock Collection

Mixed geological specimens (Quartz, Amethyst, Rose Quartz, Jasper, Epidote, Chert)

Tiger's Eye (Pseudomorph of Macrocrystalline Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye

Pseudomorph of Macrocrystalline Quartz after Crocidolite (SiO2)

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

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Gneiss (Gneiss (a rock type, not a specific mineral with a formula)) — Metamorphic Rock

Gneiss

Gneiss (a rock type, not a specific mineral with a formula)

Metamorphic Rock

Snowflake Obsidian (Volcanic Glass with Spherulitic Cristobalite Inclusion) — igneous

Snowflake Obsidian

Volcanic Glass with Spherulitic Cristobalite Inclusion

River Cobble (Quartzite or Sandstone) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

River Cobble (Quartzite or Sandstone)

Clastic sedimentary rock (primarily SiO2)

Barite Rose on Marcasite (Barium Sulfate (BaSO4) on Iron Sulfide (FeS2)) — mineral

Barite Rose on Marcasite

Barium Sulfate (BaSO4) on Iron Sulfide (FeS2)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)