Man Made Object

Ring with an Orange Inlay

N/A (Man-made object)

Not a geological specimen

N/A (man-made object)

Bouncy Ball (Synthetic Rubber Polymer)

Polybutadiene / Ethylene Vinyl Acetate (EVA)

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Titanium-coated Metal Cube (Man-made Fidget Toy)

Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)

Lava Rock with Fabric Impression

Scoria or Basalt with anthropogenic impressions

Synthetic Resin Charm (Seal Shape)

Polymer Resin with plastic glitter / Polyethylene terephthalate glitters

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

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).

Note: Item is a Synthetic/Man-made Object

Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)

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)

Man-made earbud charging case (Not a rock or mineral)

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Malaysian 50 Sen Coin

Coinage (specific alloy unknown without metallurgical analysis, but typically brass or bronze for this denomination and era)

Carved Mottled Greenish-Yellow Crystal/Glass Object

Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

US Penny

Cuprum (Copper: Cu) and Zincum (Zinc: Zn) Alloy

Not a rock, mineral, or geological specimen

Red glassy gemstone, possibly garnet

Unidentified red transparent material; garnet group (X₃Y₂(SiO₄)₃) is a possibility

Chert Arrowhead (Projectile Point)

Microcrystalline Quartz (Chert or Flint)

Chakra Stone Tower (Composite Multi-Mineral)

Crystalline Silicon Dioxide composite (SiO2) with various inclusions

Synthetic Resin / Plastic Figurine

Synthetic Polymer (Copolymer of Polyethylene or Resin)

Blue cabochon, likely dyed or synthetic material

Undetermined; possibly dyed chalcedony (SiO₂), glass, or synthetic corundum

N/A - Non-Geological Item

Brick fragment (Man-made material)

N/A (Fired clay)

Man-made Synthetic Material (Plastic/Composite)

Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)

Polished labradorite pendant

Labradorite, a calcium-rich plagioclase feldspar (approximately NaAlSi₃O₈–CaAl₂Si₂O₈)

Sea Glass

Man-made silicate glass

Clear quartz crystal (likely)

Quartz, silicon dioxide (SiO₂)

Sea Glass

Man-made silicate glass

Sea Glass

Man-made silicate glass

Sea Glass

Man-made vitreous material

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)

Sea Glass

Man-made vitreous material

Carved Stone Turtle

Carved Soapstone and Quartz

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Clear quartz sphere

Quartz (silicon dioxide, SiO₂)

Sea Glass

Man-made silicate glass

Sea Glass

Amorphous silicon dioxide (Man-made glass weathered by wave action)

Carved opalite pendant

Opalite (man-made opalescent glass; not a natural mineral)

Dyed or synthetic turquoise-blue glass-like specimen

Likely man-made colored glass or resin; exact identification requires testing

Opalite

Synthetic glass / Opalized glass