Manufactured Stone

Synthetic Zinc/Polycarbonate Composite (Bey-specimen)

Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay

Synthetic Wolf Plush (Non-mineral)

Canis lupus similis (Prop material: Polyester & Synthetic fibers)

Goldstone

Aventurine Glass (Man-made glass with copper inclusions)

Limestone with Calcite Crystals

Sedimentary Rock containing Calcium Carbonate (CaCO3)

Likely vesicular basalt (scoria)

Basaltic scoria; chiefly plagioclase, pyroxene, and olivine with volcanic glass

Ring with an Orange Inlay

N/A (Man-made object)

Blue goldstone

Man-made aventurine glass containing metallic copper particles; not a natural mineral

Black onyx or black obsidian bead bracelet

Likely black chalcedony (microcrystalline quartz, SiO₂); possibly volcanic glass (obsidian, SiO₂)

Black obsidian (probable)

Volcanic glass; primarily SiO₂-rich rhyolitic composition

Opalite

Synthetic glass (SiO2 + metal additions)

Carved limestone architectural fragment

Limestone, predominantly calcite (CaCO₃), possibly weathered fossiliferous or oolitic limestone

Faceted purple-blue beads, likely synthetic glass or treated gemstone

Indeterminate; possible synthetic corundum, synthetic spinel, or dyed quartz (SiO₂)

Tumbled black stone, likely obsidian

Obsidian (natural volcanic glass; mainly silica-rich rhyolitic composition)

Tumbled opalite (likely synthetic glass)

Opalite; typically man-made opalescent soda-lime glass, not a recognized mineral species

Small pale mineral/rock fragment

Indeterminate; possibly weathered quartz, calcite, or light-colored limestone

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

Opalite crescent pendant

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

Clear quartz sphere or polished quartz cabochon (tentative)

Quartz, silicon dioxide (SiO₂); appearance may also be consistent with ordinary glass, which cannot be ruled out from the image alone

Black obsidian (possibly industrial glass or slag)

Volcanic glass; predominantly rhyolitic composition, chiefly SiO₂

Fossiliferous limestone

Bioclastic calcarenite; predominantly calcite (CaCO₃)

Polished black stone, possibly basalt or black obsidian

Likely fine-grained basalt (plagioclase and pyroxene) or volcanic glass (obsidian; rhyolitic composition)

Polished fossil-bearing shale or mudstone

Fossiliferous carbonaceous mudstone/shale; visible fossils may be bivalves or ammonites, but species cannot be confirmed from the image

Dragon Vein Agate

Silicon Dioxide (SiO2)

Quartz pebble in concrete

Quartz (SiO₂), embedded in Portland-cement concrete

Glass

Amorphous Silicon Dioxide (SiO2)

Faceted citrine-colored gemstone

Likely citrine (quartz, SiO₂); possibly yellow glass or synthetic gem

Faceted colorless gemstone, likely quartz or glass imitation

Most plausibly rock crystal (quartz, SiO₂); identity is uncertain because the photograph shows only intense facet reflections

Blue goldstone beads

Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli

Black glassy fragment, likely obsidian or industrial glass

Volcanic glass (obsidian), chiefly amorphous SiO₂; identification uncertain from image

Faceted transparent gemstone pendant

Likely cubic zirconia (zirconium dioxide, ZrO₂); possibly diamond or synthetic moissanite

Concretion or weathered iron-rich rock

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

Native metal specimen, likely galena or metallic slag

Probably galena (lead sulfide, PbS); identification is uncertain from the image alone

Sea Glass

Amorphous silicon dioxide (Man-made glass weathered by nature)

Glass Nugget (Tumbled Glass)

Amorphous Silicon Dioxide (SiO2) with additives

Gold (10K Alloy)

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

Fluorescent glassy mineral specimen, possibly hyalite opal

Hyalite (hydrated amorphous silica, SiO₂·nH₂O), tentative

Orange glassy slag (industrial by-product)

Iron-rich silicate glass; composition varies, commonly Fe–Ca–Al silicate

Likely small metallic meteorite fragments

Unclassified iron or stony-iron meteorite; mineralogy cannot be confirmed from the image

Blue glass-like gemstone, likely synthetic spinel or glass

Uncertain; possibilities include synthetic cobalt-blue spinel (MgAl₂O₄) or cobalt-colored glass

Red garnet crystal (possible almandine)

Garnet group; likely almandine, Fe₃Al₂(SiO₄)₃

Likely tektite (impact glass), possibly Muong Nong-type indochinite

Natural impact glass; silica-rich glass, typically ~70–80% SiO₂

Clear quartz crystal (likely quartz point/fragment)

Quartz, silicon dioxide (SiO₂)