Copper slag or vesicular basalt with copper minerals
Industrial slag / Basaltic matrix with secondary copper minerals
igneous
Category
Mineral (Native Element Alloy)
Browse mineral (native element alloy) specimens identified by the Rock Identifier community.
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Blue lace agate (tumbled)
Microcrystalline quartz, SiO₂ (chalcedony variety)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Honey/Golden Calcite specimens
Calcite, calcium carbonate (CaCO₃)
mineral
Malachite-bearing copper ore
Malachite (Cu₂CO₃(OH)₂), likely mixed with chrysocolla, limonite, or native copper minerals
mineral
Quartz-rich pegmatitic rock (likely milky quartz with feldspar and dark mica)
Pegmatite; predominantly quartz (SiO₂), with feldspar and biotite/hornblende
igneous
Iridescent bismuth crystal
Bismuth (Bi), artificially crystallized
mineral
Cassiterite (Tin Ore)
Cassiterite (Tin(IV) Oxide, SnO2)
mineral
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Organic Gemstone (Biogenic)
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Diamond (Faceted)
Carbon (C) - Diamond
mineral
Quartz-rich pegmatitic rock, possibly milky quartz with mica
Pegmatite dominated by quartz (SiO₂), with probable muscovite mica and feldspar
igneous
Amygdaloidal Basalt
Basalt with secondary mineral infilling
igneous
Mica-rich pegmatite, likely muscovite with quartz and feldspar
Granitic pegmatite; predominantly muscovite mica (KAl₂(AlSi₃O₁₀)(OH)₂), with quartz (SiO₂) and feldspar
igneous
Lepidolite
K(Li,Al)3(Al,Si)4O10(F,OH)2 (Lithium-bearing phyllosilicate)
mineral
Quartz-rich pegmatite with mica
Granitic pegmatite; chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica
igneous
Celestine (Celestite)
Celestine (Strontium Sulfate, SrSO4)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Rainbow fluorite
Fluorite (calcium fluoride, CaF₂)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Mineral alternative / Synthetic
Small native-gold specimen (possible gold-bearing rock)
Native gold, Au; exact identification cannot be confirmed from the image
mineral
Diamond in Kimberlite
Diamond (C in Kimberlite Matrix)
igneous
Banded fluorite point
Fluorite (calcium fluoride, CaF₂)
mineral
Diamond (Uncut Crystal)
Carbon (C)
mineral
Diamond
Carbon (C)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)
gemstone
Chrysocolla-bearing copper ore
Chrysocolla (hydrated copper aluminum silicate), likely with malachite/azurite and copper sulfides
mineral
Soapstone Carving (Pipestone/Catlinite possible)
Steatite or Argillite
metamorphic
Diamond
Carbon (C)
gemstone
Gold Ore in Quartz/Schist
Auriferous Quartz and Sulfide-bearing Schist
Metamorphic/Igneous (Hydrothermal)
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Mica Schist
Mica Schist
metamorphic
Turquoise in Matrix
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)
mineral
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
mineral
Native Copper in Basalt
Amygdaloidal Basalt with Native Copper (Cu)
metamorphic
Gold-bearing quartz or iron-stained quartz
Quartz (SiO₂), possibly with native gold and iron-oxide minerals
mineral
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
mineral