Rock Identifier

Category

Mineral, Metal (Element)

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

Learn about Mineral, Metal (Element) in the encyclopedia

Sulfur

Carbonatite

Cassiterite

Euxenite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Diamond (or high-quality simulant like Cubic Zirconia) (Carbon (C) - Native Element) — mineral

Diamond (or high-quality simulant like Cubic Zirconia)

Carbon (C) - Native Element

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

Diamond

Carbon (C), Native Element

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (Diamond (pure carbon C)) — mineral

Diamond

Diamond (pure carbon C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

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

Diamond (in jewelry setting)

Diamond (C - Carbon)

Pegmatitic granite (Coarse-grained granite/pegmatite, chiefly quartz, feldspar, and mica) — igneous

Pegmatitic granite

Coarse-grained granite/pegmatite, chiefly quartz, feldspar, and mica

Tiny metallic-looking mineral or rock fragment (Unidentifiable from the image; possibly a small metallic mineral grain) — mineral

Tiny metallic-looking mineral or rock fragment

Unidentifiable from the image; possibly a small metallic mineral grain

Faceted brown gemstone pendant, likely smoky quartz or champagne topaz (Probably quartz (SiO₂), smoky variety; alternatively topaz (Al₂SiO₄(F,OH)₂)) — gemstone

Faceted brown gemstone pendant, likely smoky quartz or champagne topaz

Probably quartz (SiO₂), smoky variety; alternatively topaz (Al₂SiO₄(F,OH)₂)

Pegmatite (Igneous Pegmatite (Granitic Composition)) — igneous

Pegmatite

Igneous Pegmatite (Granitic Composition)

Blue Quartz (Aventurine) (Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite) — mineral

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite

Celestite (Celestine (SrSO4)) — mineral

Celestite

Celestine (SrSO4)

Diamond (or Diamond Simulant) (Carbon (C)) — mineral

Diamond (or Diamond Simulant)

Carbon (C)

Gold (Elemental Metal) (Gold (Au)) — Mineral

Gold (Elemental Metal)

Gold (Au)

Quartz–feldspar pegmatite (Granitic pegmatite, composed mainly of quartz (SiO₂) and feldspar; exact minerals are uncertain from the photo) — igneous

Quartz–feldspar pegmatite

Granitic pegmatite, composed mainly of quartz (SiO₂) and feldspar; exact minerals are uncertain from the photo

Quartz–feldspar pegmatite (Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and mica) — igneous

Quartz–feldspar pegmatite

Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and mica

Copper Ore (Malachite, Azurite, and Chalcopyrite in Host Rock) (Copper-bearing polymetallic mineral aggregate (Cu-minerals)) — mineral

Copper Ore (Malachite, Azurite, and Chalcopyrite in Host Rock)

Copper-bearing polymetallic mineral aggregate (Cu-minerals)

Copper Ore (Chrysocolla/Malachite in host rock) (Hydrated copper phyllosilicate and copper carbonate hydroxide) — mineral

Copper Ore (Chrysocolla/Malachite in host rock)

Hydrated copper phyllosilicate and copper carbonate hydroxide

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

Diamond (faceted)

Diamond (Pure Carbon, C)

Native copper nugget (Copper (Cu), native element) — mineral

Native copper nugget

Copper (Cu), native element

Diamond (Carbon (C) - Native Element) — mineral

Diamond

Carbon (C) - Native Element

Small stud earring with a purple gemstone (possibly amethyst) (Possible amethyst, a purple variety of quartz (SiO₂); identification is uncertain from the image) — gemstone

Small stud earring with a purple gemstone (possibly amethyst)

Possible amethyst, a purple variety of quartz (SiO₂); identification is uncertain from the image

Beryl (Aquamarine) in Matrix with Schorl (Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)) — mineral

Beryl (Aquamarine) in Matrix with Schorl

Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)

Weathered fossil shell or crinoid fragment (Likely fossilized echinoderm or bivalve fragment; exact taxon indeterminate from the image) — fossil

Weathered fossil shell or crinoid fragment

Likely fossilized echinoderm or bivalve fragment; exact taxon indeterminate from the image

Amethyst (Quartz (Silicon Dioxide, SiO2)) — gemstone

Amethyst

Quartz (Silicon Dioxide, SiO2)

Nugget of Native Silver (Native Silver (Ag)) — mineral

Nugget of Native Silver

Native Silver (Ag)

Crocoite (Lead chromate (PbCrO4)) — mineral

Crocoite

Lead chromate (PbCrO4)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

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

Celestite (Celestine)

Strontium sulfate (SrSO4)

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

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)

Pearl (Calcium Carbonate (Aragonite/Calcite) with Conchiolin (CaCO3)) — mineral

Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin (CaCO3)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Diamond (Cut Gemstone) (Carbon (C)) — gemstone

Diamond (Cut Gemstone)

Carbon (C)

Diamond (in Gold Jewelry) (Carbon (C)) — mineral

Diamond (in Gold Jewelry)

Carbon (C)

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

Diamond (faceted)

Diamond (Pure Carbon, C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Quartz-rich pegmatite (Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and mica) — igneous

Quartz-rich pegmatite

Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and mica

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

White Sapphire (Corundum (Al2O3)) — mineral

White Sapphire

Corundum (Al2O3)

Lepidolite in Quartz (K(Li,Al)3(Si,Al)4O10(F,OH)2 / SiO2) — mineral

Lepidolite in Quartz

K(Li,Al)3(Si,Al)4O10(F,OH)2 / SiO2

Copper Ore (Malachite and Azurite on Host Rock) (Cuprite, Malachite, and Azurite dissemination in gangue) — mineral

Copper Ore (Malachite and Azurite on Host Rock)

Cuprite, Malachite, and Azurite dissemination in gangue