Rock Identifier

Category

Mineral (Processed Alloy)

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

Likely metallic mineral specimen (Probably galena (lead sulfide, PbS), though visual identification is uncertain) — mineral

Likely metallic mineral specimen

Probably galena (lead sulfide, PbS), though visual identification is uncertain

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

Celestite (Celestine)

Strontium sulfate (SrSO4)

Red Jasper (beads) (SiO₂ (Silicon Dioxide)) — Mineral, variety of chalcedony (microcrystalline quartz)

Red Jasper (beads)

SiO₂ (Silicon Dioxide)

Mineral, variety of chalcedony (microcrystalline quartz)

Iron Meteorite (Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)) — mineral

Iron Meteorite

Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)

Galena-bearing rock (Galena (PbS), likely with quartz or host-rock minerals) — mineral

Galena-bearing rock

Galena (PbS), likely with quartz or host-rock minerals

Copper ore (likely cuprite-bearing copper mineralization) (Cuprite, Cu₂O, possibly mixed with native copper and iron oxides) — mineral

Copper ore (likely cuprite-bearing copper mineralization)

Cuprite, Cu₂O, possibly mixed with native copper and iron oxides

Likely galena-bearing ore specimen (Galena (PbS), possibly with quartz or calcite gangue) — mineral

Likely galena-bearing ore specimen

Galena (PbS), possibly with quartz or calcite gangue

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

Likely galena-bearing sulfide specimen (Galena (PbS), possibly with pyrite or other sulfides) — mineral

Likely galena-bearing sulfide specimen

Galena (PbS), possibly with pyrite or other sulfides

Emerald / Fluorite (Beryl (Be3Al2Si6O18) / Fluorite (CaF2)) — mineral

Emerald / Fluorite

Beryl (Be3Al2Si6O18) / Fluorite (CaF2)

Galena-rich sulfide specimen (Galena (lead sulfide, PbS), possibly with sphalerite and oxidized sulfides) — mineral

Galena-rich sulfide specimen

Galena (lead sulfide, PbS), possibly with sphalerite and oxidized sulfides

Silver (Native Silver Mineral) (Ag (Native Silver), Alloyed 90% Ag / 10% Cu) — mineral

Silver (Native Silver Mineral)

Ag (Native Silver), Alloyed 90% Ag / 10% Cu

Diamond (as set in a metal alloy ring) (Diamond (Pure Carbon, C)) — mineral

Diamond (as set in a metal alloy ring)

Diamond (Pure Carbon, C)

Iron Meteorite (Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)) — mineral

Iron Meteorite

Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)

Lapis Lazuli (Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])) — Metamorphic Rock (primarily composed of minerals)

Lapis Lazuli

Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])

Metamorphic Rock (primarily composed of minerals)

Copper ore (cupriferous rock) (Native copper with copper oxides, likely cuprite (Cu₂O) and malachite/azurite alteration) — mineral

Copper ore (cupriferous rock)

Native copper with copper oxides, likely cuprite (Cu₂O) and malachite/azurite alteration

Galena (likely) (Galena, lead sulfide (PbS)) — mineral

Galena (likely)

Galena, lead sulfide (PbS)

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

Celestite (Celestine)

Strontium sulfate (SrSO4)

Copper (Native Copper (Cu)) — mineral

Copper

Native Copper (Cu)

Bismuth (Bismuth (Bi)) — mineral

Bismuth

Bismuth (Bi)

Probable galena (Galena (lead sulfide, PbS)) — mineral

Probable galena

Galena (lead sulfide, PbS)

Likely galena-bearing ore (Galena (PbS), possibly mixed with quartz or carbonate gangue) — mineral

Likely galena-bearing ore

Galena (PbS), possibly mixed with quartz or carbonate gangue

Synthetic Blue Aura Quartz (Silicon Dioxide (SiO2) with Metallic Infusion) — mineral (synthetic/man-made coating)

Synthetic Blue Aura Quartz

Silicon Dioxide (SiO2) with Metallic Infusion

mineral (synthetic/man-made coating)

Metallic sulfide ore, likely galena-bearing rock (Galena (lead sulfide, PbS), possibly with pyrite or other sulfides) — mineral

Metallic sulfide ore, likely galena-bearing rock

Galena (lead sulfide, PbS), possibly with pyrite or other sulfides

Raw galena specimen (Galena (lead sulfide, PbS)) — mineral

Raw galena specimen

Galena (lead sulfide, PbS)

Galena-bearing ore (Galena (lead sulfide, PbS), likely with sphalerite and sulfide gangue) — mineral

Galena-bearing ore

Galena (lead sulfide, PbS), likely with sphalerite and sulfide gangue

Brown Jasper (Likely) (Jasper (Cryptocrystalline Silicon Dioxide - SiO2)) — Mineral

Brown Jasper (Likely)

Jasper (Cryptocrystalline Silicon Dioxide - SiO2)

Galena (Galena (lead sulfide, PbS)) — mineral

Galena

Galena (lead sulfide, PbS)

Galena-bearing ore (tentative) (Galena, lead sulfide (PbS), likely in a quartz/carbonate-rich matrix) — mineral

Galena-bearing ore (tentative)

Galena, lead sulfide (PbS), likely in a quartz/carbonate-rich matrix

Azurite with native copper (Azurite (Cu₃(CO₃)₂(OH)₂) with native copper (Cu)) — mineral

Azurite with native copper

Azurite (Cu₃(CO₃)₂(OH)₂) with native copper (Cu)

Basalt with Large Augite Phenocrysts (Porphyritic Basalt (containing Ca(Mg,Fe,Al)(Al,Si)2O6)) — igneous

Basalt with Large Augite Phenocrysts

Porphyritic Basalt (containing Ca(Mg,Fe,Al)(Al,Si)2O6)

Iron Meteorite Fragment (Siderite (Geological term for iron meteorite class - Fe/Ni alloy)) — igneous

Iron Meteorite Fragment

Siderite (Geological term for iron meteorite class - Fe/Ni alloy)

Likely iron-rich meteorite or hematite-rich rock (Uncertain; possible iron meteorite (Fe–Ni alloy) or limonite/goethite-bearing hematite) — mineral

Likely iron-rich meteorite or hematite-rich rock

Uncertain; possible iron meteorite (Fe–Ni alloy) or limonite/goethite-bearing hematite

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Copper ore-bearing rock (likely malachite/chrysocolla in a sulfide-rich matrix) (Cuprite–malachite/chrysocolla mineralization; probable copper sulfides such as chalcopyrite in altered host rock) — mineral

Copper ore-bearing rock (likely malachite/chrysocolla in a sulfide-rich matrix)

Cuprite–malachite/chrysocolla mineralization; probable copper sulfides such as chalcopyrite in altered host rock

Quartz (with probable host rock) (Silicon Dioxide (SiO2)) — mineral

Quartz (with probable host rock)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Quartz (Silicon Dioxide, SiO2)) — sedimentary

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)