Mineral (Processed Metal)

N/A - Man-made object (Jewelry Chain)

Antiqued or Oxidized Metal Chain (often Steel or Brass)

Metal Chain Belt with Square Plates

Not applicable (man-made)

Opalite

Synthetic Glass / Man-made Opal Simulant

Blue Sapphire and Diamond (Set in Metal)

Corundum (Al2O3) and Diamond (C)

Silver (Native or Alloyed)

Ag (Argentum)

Gold (10K Alloy)

Aurum (Au) with alloying metals (Cu, Ag, Zn)

Likely hematite-rich ironstone or metallic mineral fragment

Hematite (Fe₂O₃), possibly with magnetite (Fe₃O₄) or metallic iron

Amethyst and clear gemstone ring

Amethyst (purple quartz, SiO₂), likely set with colorless quartz or glass accents

Slag

Ferrous slag (by-product of iron smelting)

Green cabochon gemstone pendant, likely turquoise or dyed green turquoise

Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing

Diamond ring

Diamond (crystalline carbon, C)

Slag

Nugget of Native Silver

Native Silver (Ag)

Gold (Processed)

Gold (Au)

Red cabochon gemstone, likely carnelian or dyed chalcedony

Chalcedony (microcrystalline quartz), SiO₂; exact identification requires testing

Goldstone (Brown/Gold)

Aventurine Glass (Man-made glass with Copper inclusions)

Bauxite

Aluminium ore (Hydrated aluminium oxides AlOx(OH)3-2x)

Aura Quartz (Anomalously Coated Quartz)

Silicon Dioxide (SiO2) treated with vaporized metals

Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Aluminum Slag

Anthropogenic Aluminum (Al)

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

Likely blue glass or synthetic gemstone jewelry

Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass

Slag Glass

Silicon dioxide with impurities

Man-made Metal Pin (Non-geological)

Antimony-Lead Alloy or Zinc/Brass Base with Electroplating

Aura Quartz (Titanium/Gold coated)

Silicon Dioxide (SiO2) with metallic vapor deposition

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in matrix

Zinc Alloy (Silver-plated)

Zinc Alloy Casting (Zn-Al-Mg-Cu)

Slag (Industrial By-product)

Anthropogenic Vitreous Silica/Iron Silicate

Buffalo Nickel (Indian Head Nickel)

Cupronickel (75% Copper, 25% Nickel)

Green Aura Quartz (Titanium treated Kyanite or Quartz)

Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating

Man-made Jewelry Charm (Enameled Metal)

Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.

Quartz Vein in Basalt or Mafic Rock

Silicon Dioxide (SiO2) vein in volcanic/mafic matrix

Aura Quartz (Cranberry or Magenta Aura Quartz)

Silicon dioxide coated with titanium/niobium (SiO2)

Aura Quartz (Coated Quartz)

Silicon Dioxide (SiO2) coated with vaporized metals

Diamond Plate (Steel)

Alloyed Carbon Steel or Aluminum with 'Durbar' pattern

Silver (Sterling Silver)

Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu

Bauxite

Bauxite (Al(OH)3, AlO(OH), AlOOH)

Titanium Quartz (Aura Quartz)

Silicon Dioxide (SiO2) treated with Titanium

Metal Alloy (Likely Pewter or Sterling Silver)

Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).

Metal Alloy (Jewelry)

Not a naturally occurring rock or mineral; likely a metal alloy for jewelry. Possible compositions include sterling silver (92.5% silver, 7.5% copper), or other silver/gold alloys.

Aura Druzy Agate (Star Shape)

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating

Bauxite

Aluminum ore / Hydrated aluminum oxides