Rock Identifier

Category

Metal (Elemental Mineral)

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

Learn about Metal (Elemental Mineral) in the encyclopedia

Sulfur

Cassiterite

Sperrylite

Brookite

Pyrite

Carbonatite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Rose Quartz (SiO2 (Crystalline Quartz with trace inclusions)) — mineral

Rose Quartz

SiO2 (Crystalline Quartz with trace inclusions)

Smoky Quartz (Silicon Dioxide (SiO₂)) — mineral

Smoky Quartz

Silicon Dioxide (SiO₂)

Peach Moonstone (Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar) — mineral

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Milky Quartz (Crystalline Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

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)

Cubic Zirconia (Cubic Zirconia (Zirconium Dioxide, ZrO2)) — mineral

Cubic Zirconia

Cubic Zirconia (Zirconium Dioxide, ZrO2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Quartzite with Hematite staining (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite with Hematite staining

Metamorphosed Quartz Sandstone (SiO2)

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Michigan Float Copper (Native Copper (Cu)) — mineral

Michigan Float Copper

Native Copper (Cu)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Pyrope Garnet (Bohemian Garnets) (Pyrope (from the group Mg3Al2(SiO4)3)) — mineral

Pyrope Garnet (Bohemian Garnets)

Pyrope (from the group Mg3Al2(SiO4)3)

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

Diamond (Cut Gemstones in Jewelry)

Carbon (C)

Black Onyx (Onyx (Silicon Dioxide, SiO2)) — mineral

Black Onyx

Onyx (Silicon Dioxide, SiO2)

Diamond (in jewelry) (Cubic Carbon (C)) — mineral

Diamond (in jewelry)

Cubic Carbon (C)

Copper-bearing Quartz (likely Malachite on Quartz matrix) (Cu2CO3(OH)2 (Malachite) on SiO2 (Quartz)) — mineral

Copper-bearing Quartz (likely Malachite on Quartz matrix)

Cu2CO3(OH)2 (Malachite) on SiO2 (Quartz)

Pegmatite (Granitic Pegmatite with Quartz and Feldspar) (Intrusive Igneous Rock (Granitic Pegmatite)) — igneous

Pegmatite (Granitic Pegmatite with Quartz and Feldspar)

Intrusive Igneous Rock (Granitic Pegmatite)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Olivine (Peridot) (Magnesium Iron Silicate (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4

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

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

Green calcite (likely) (Calcite — calcium carbonate, CaCO₃) — mineral

Green calcite (likely)

Calcite — calcium carbonate, CaCO₃

Rainbow aura quartz cluster (Quartz, silicon dioxide (SiO₂), artificially coated with a thin metallic film) — mineral

Rainbow aura quartz cluster

Quartz, silicon dioxide (SiO₂), artificially coated with a thin metallic film

Green Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Green Agate

Cryptocrystalline Quartz (SiO2)

Blue Goldstone (Aventurine Glass) — man-made glass

Blue Goldstone

Aventurine Glass

Porphyry (Porphyritic Igneous Rock) — igneous

Porphyry

Porphyritic Igneous Rock

Buffalo Nickel (Indian Head Nickel) (Cupronickel (75% Copper, 25% Nickel)) — mineral (processed alloy)

Buffalo Nickel (Indian Head Nickel)

Cupronickel (75% Copper, 25% Nickel)

mineral (processed alloy)

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

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

Blue Glass or Slag Glass (Amorphous Silica (Anthropogenic Glass)) — mineral

Blue Glass or Slag Glass

Amorphous Silica (Anthropogenic Glass)

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)

South Korean 100 Won Coin (Cupronickel) (Cupronickel Alloy (75% Cu, 25% Ni)) — mineral-based alloy (anthropogenic)

South Korean 100 Won Coin (Cupronickel)

Cupronickel Alloy (75% Cu, 25% Ni)

mineral-based alloy (anthropogenic)

Slag Glass (Amorphous Silica Glass (with metal oxide inclusions)) — Mineraloid / Industrial Waste

Slag Glass

Amorphous Silica Glass (with metal oxide inclusions)

Mineraloid / Industrial Waste

Lapis lazuli and green-blue chalcedony jewelry (Lapis lazuli: lazurite-bearing metamorphic rock, chiefly lazurite (Na₃Ca(Al₃Si₃O₁₂)S) with calcite and pyrite; second stone: likely chrysoprase or green-blue chalcedony (microcrystalline quartz, SiO₂)) — gemstone

Lapis lazuli and green-blue chalcedony jewelry

Lapis lazuli: lazurite-bearing metamorphic rock, chiefly lazurite (Na₃Ca(Al₃Si₃O₁₂)S) with calcite and pyrite; second stone: likely chrysoprase or green-blue chalcedony (microcrystalline quartz, SiO₂)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Green Aura Quartz (Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)) — mineral

Green Aura Quartz

Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)

Copper Nugget (Native Copper (Cu)) — mineral

Copper Nugget

Native Copper (Cu)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite Pebble (Granite (plutonic igneous rock)) — igneous

Granite Pebble

Granite (plutonic igneous rock)

Pegmatite (Granitic Pegmatite) (Pegmatite (Quartz + Potassium Feldspar + Mica)) — igneous

Pegmatite (Granitic Pegmatite)

Pegmatite (Quartz + Potassium Feldspar + Mica)

Granite (Granite (composed primarily of Quartz SiO2, Potassium Feldspar KAlSi3O8, and Plagioclase Feldspar)) — igneous

Granite

Granite (composed primarily of Quartz SiO2, Potassium Feldspar KAlSi3O8, and Plagioclase Feldspar)