Mineral (Metal)

Granite

Intrusive Igneous Rock

Quartz Vein in Pelite (Metamorphic Rock)

Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)

Beryl (likely Aquamarine or Heliodor variant)

Beryllium aluminum cyclosilicate (Be3Al2Si6O18)

Peridot

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Aquamarine

Beryl (Be3Al2Si6O18)

Unidentified dark mineral/rock fragment

Indeterminate; appearance may fit a sulfide-bearing rock or iron-rich mineral

Bismuth Crystal

Bismuth (Bi)

Gold

Native Gold (Au)

Copper Ore

Cupriferous Rock / Mixed Mineral Matrix

Pyrite

Iron Disulfide (FeS2)

Native Copper with Malachite/Oxide Coating

Native Copper (Cu)

Granite

Felsic intrusive igneous rock

Granite Pebble

Phaneritic intrusive igneous rock

Red gemstone ring; likely synthetic ruby or red glass

Undetermined from the image; ruby is corundum (Al₂O₃), while red glass is amorphous silicate

Granite Boulder

Felsic Intrusive Igneous Rock

Milky Quartz

Silicon Dioxide (SiO2)

Lepidolite and Tiger's Eye

K(Li,Al)3(Si,Al)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz/Tiger's Eye)

Native Copper

Native Copper (Cu)

Gold Nugget

Native Gold (Au)

Granite

Intrusive igneous rock

Gold

Native Gold (Au)

Limonite (Iron Stone/Iron Ore)

FeO(OH)·nH2O (Hydrous ferric oxide)

Likely metallic mineral specimens

Probably native iron or iron oxide/hydroxide material; exact identification requires testing

Amethyst Cluster

Silicon Dioxide (Quartz variety: Amethyst) - SiO2

Iron-stained quartz-bearing rock

Quartz (SiO₂), likely in a limonite/goethite-rich matrix

Native Copper

Native Copper (Cu)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Purple fluorite crystal

Fluorite (calcium fluoride, CaF₂)

Diamond bracelet (gold-set)

Diamond, crystalline carbon (C); gold alloy setting

Pyrite (on a metal substrate)

Iron Sulfide (FeS2)

Green aventurine pendant (likely)

Quartz, SiO₂, with green fuchsite inclusions (aventurescent quartz)

Yellow Beryl (Heliodor)

Beryllium aluminum silicate (Be3Al2Si6O18)

Pallasite Meteorite (Sliced and Polished)

Pallasite (Iron-Nickel Matrix with Olivine crystals)

Bismuthinite with Chalcopyrite and Quartz

Bismuthinite (Bi2S3) and Chalcopyrite (CuFeS2)

Red heart-shaped glass bead in a wire-wrapped jewelry charm

Likely colored glass (amorphous silica-based material); the image does not show an identifiable geological specimen

Pyrite

Iron Disulfide (FeS2)

Lepidolite

K(Li,Al)3(Al,Si,Rb,Cs)4O10(F,OH)2

Bornite

Cu5FeS4

Celestite (Celestine)

Strontium sulfate (SrSO4)

Copper Ore with Malachite and Chrysocolla

Cu2CO3(OH)2 (Malachite) with Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)

Faceted colorless gemstone, likely cubic zirconia or diamond

Cubic zirconia (zirconium dioxide, ZrO₂) or diamond (carbon, C)

Granite

Granite (Felsic Plutonic Rock)