Mineral (Refined Metal)

Copper Ore (Chrysocolla/Malachite in host rock)

Hydrated copper phyllosilicate and copper carbonate hydroxide

Vanadinite

Pb5(VO4)3Cl

Small stud earring with a purple gemstone (possibly amethyst)

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

Iron (Hematite variety)

Iron (Fe) / Hematite (Fe2O3)

Chakra Crystal Assortment Pendant

Various mineral species including quartz, aventurine, and lapis lazuli

Nugget of Native Silver

Native Silver (Ag)

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

Native Copper in Basalt

Cu (Native Copper) in Mafic Igneous Rock

Lepidolite in Quartz

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

Sodalite

Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)

Man-made Metal Pin (Non-geological)

Antimony-Lead Alloy or Zinc/Brass Base with Electroplating

Copper Ore (Malachite and Azurite on Host Rock)

Cuprite, Malachite, and Azurite dissemination in gangue

Likely weathered metallic meteorite fragment

Unconfirmed; possibly an iron-nickel meteorite, mainly kamacite and taenite

Copper and Quartz beads

Native Copper (Cu) and Crystalline Quartz (SiO2)

Lepidolite

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

Aura Quartz (Cranberry or Magenta Aura Quartz)

Silicon dioxide coated with titanium/niobium (SiO2)

Silver Nuggets (Natural or Cast)

Native Silver (Ag)

Aura Quartz (Anomalously Coated Quartz)

Silicon Dioxide (SiO2) treated with vaporized metals

Gemstone ring (stones not reliably identifiable from the image)

Likely faceted yellow stones and clear stones set in a metal band; species and treatments are indeterminate visually

Polished dendritic agate cabochon

Microcrystalline quartz (chalcedony), SiO₂, with iron/manganese dendrites and possible plume inclusions

Schist (Diamond Drill Core)

Mica Schist

Magnesite or Dolomite in Chert

Magnesite (MgCO3) or Dolomite (CaMg(CO3)2) nodule

Cut diamond tennis-chain jewelry

Diamond, crystalline carbon (C), cubic crystal system

Blue topaz-style pendant (stone identity uncertain)

Possibly blue topaz (Al₂SiO₄(F,OH)₂); the image cannot confirm whether the stone is natural or synthetic

Aluminum Slag

Anthropogenic Aluminum (Al)

Small metallic mineral fragment

Indeterminate; possibly galena, hematite, magnetite, or metallic meteorite fragment

Copper Ore (Malachite/Chrysocolla bearing)

Cupriferous rock containing secondary copper minerals like Cu2CO3(OH)2

Native copper nugget

Copper (Cu), commonly with cuprite and copper-oxide alteration

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Gold (Elemental Metal)

Gold (Au)

Quartz Vein in Host Rock

Silicon dioxide (SiO2) veins in metamorphic/igneous host rock

Silver

Ag (Native Silver)

Bismuth

Bismuth (Bi)

Lepidolite

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

Granite

Phaneritic Felsic Igneous Rock

Galena in Quartz Matrix

Lead Sulfide (PbS) in Silicon Dioxide (SiO2)

Aluminum Slag

Anthropogenic Aluminum (Al)

Bismuth

Native Bismuth (Bi)

Blue slag glass / industrial smelter slag

Man-made iron-rich silicate slag; composition variable, commonly Fe–Ca–Mg–Al silicates with glassy phases

Tiny metallic mineral grain (possibly native silver or a metallic sulfide)

Undetermined from the photograph; native silver (Ag) is one possibility, but identification requires examination or testing

Quartz-Veined Porphyritic Basalt

Igneous rock with quartz vein (SiO2)

Unidentified gray metallic object

Not determinable from the image; likely a metal screw or manufactured fastener rather than geological material