Mineral (Processed Metal)

Goldstone (Red)

Aventurine Glass

Dyed and Metallic Coated Agate Geode

Silicon Dioxide (SiO2) with titanium/gold vapor deposition coating

Goldstone and Aura Quartz

Cuprous Glass (Goldstone) and Titanium-coated SiO2 (Aura Quartz)

Titanium Coated Kyanite (Aura Kyanite)

Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating

Polished dendritic agate cabochon

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

Schist (Diamond Drill Core)

Mica Schist

Opalite (Man-made Glass)

Fused glass (typically made of dolomite and metal opacifiers)

Gold in Quartz

Hydrothermal Quartz with Native Gold (SiO2 with Au)

Magnesite or Dolomite in Chert

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

Native Gold Nugget

Native Gold (Au)

Cut diamond tennis-chain jewelry

Diamond, crystalline carbon (C), cubic crystal system

Green aventurine bead bracelet

Quartz (SiO₂), commonly green quartzite/aventurine colored by fuchsite mica or other inclusions

Tumbled banded agate beads

Agate, microcrystalline quartz (SiO₂), a variety of chalcedony

Gold

Native Gold (Au)

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

Amethyst bead bracelet

Amethyst, purple quartz (SiO₂)

Aluminum Slag

Anthropogenic Aluminum (Al)

Dyed red crystal aggregate, likely quartz or salt

Uncertain; possibly dyed quartz (SiO₂) or halite (NaCl)

Quartz-rich rock fragment (tentative)

Quartz, silicon dioxide (SiO₂), possibly in a weathered host rock

Tumbled pink feldspar (likely moonstone or orthoclase)

Potassium feldspar, chiefly orthoclase (KAlSi₃O₈); possibly adularescent moonstone

Small metallic mineral fragment

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

Goldstone

Avventurina (Cu + SiO2 glass)

Unidentified dark, flat specimen

Indeterminate; image resolution is insufficient for mineral identification

Copper Ore (Malachite/Chrysocolla bearing)

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

Serpentinite

Serpentinite (complex silicate of magnesium, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Native copper nugget

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

Dyed Agate

Silicon dioxide, SiO2

Translucent greenish gemstone, possibly jade or quartz

Not reliably identifiable from the image; candidate materials include jadeite (NaAlSi₂O₆), nephrite (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂), or quartz (SiO₂)

Polished orbicular jasper (likely ocean jasper)

Jasper, a microcrystalline variety of quartz (SiO₂), with iron-oxide and other mineral inclusions

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)

Lepidolite

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

Tumbled brown jasper (likely brecciated or scenic jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions

Iron-oxide-stained rock, possibly limonite-rich ore

Likely limonite/goethite-rich material; exact identification requires testing

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Slag (Industrial Byproduct)

Ferro-silicate glass (Slag)

Cobalt Blue Slag Glass

Amorphous Silicon Dioxide (anthropogenic) with Cobalt additives

Granite

Phaneritic Felsic Igneous Rock

Synthetic Blue Aura Quartz

Silicon Dioxide (SiO2) with Metallic Infusion

Porphyritic Basalt or Porphyritic Andesite

Porphyritic volcanic rock