Mineral (Man Made Glass, Not Natural)

Diamond (Cut and Polished)

Diamond (pure Carbon, C)

Titanium Coated Aura Quartz (Apple Aura Quartz)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating

Small dark rock fragment

Uncertain; possibly weathered basalt or slag

Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)

N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)

Slag (Industrial Byproduct)

Ferro-silicate glass (Slag)

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Terrazzo (with Marble and Granite fragments)

Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates

Black onyx or black agate bead bracelet

Microcrystalline quartz, chiefly chalcedony (SiO₂); commonly sold as black onyx, sometimes dyed black agate

Faceted colorless gemstone, likely cubic zirconia or quartz

Uncertain from photograph; cubic zirconia (ZrO₂) is the leading visual possibility, with quartz (SiO₂) as an alternative

Dyed turquoise-colored lava stone beads

Vesicular basalt (scoria), commonly sold as dyed lava rock

Native silver fragment (probable)

Silver, Ag; possibly silver-bearing sulfide or plated metal

Possible basalt or industrial iron-rich slag

Basalt (plagioclase–pyroxene rock); identification uncertain from image

Sandstone

Arenite (SiO2 based)

Granite

Granite (a phaneritic intrusive igneous rock consisting mainly of quartz, alkali feldspar, and plagioclase)

Blue-beaded gemstone jewelry, likely lapis lazuli or dyed blue agate

Uncertain from the image; possible lazurite-bearing lapis lazuli (Na₃Ca(Si₃Al₃)O₁₂S) or blue chalcedony (SiO₂)

Diamond

Carbon (C)

Fossilized echinoid (sea urchin), likely a sand dollar fragment or small regular urchin

Echinodermata; commonly Clypeasteroida or Echinoida, preserved mainly as calcite (CaCO₃)

Chert (Field-collected Arrowhead-shaped Fragment)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Diamond

Carbon (C)

Diamond

Native Carbon (C)

Dyed Blue Agate Slice

Silicon Dioxide (SiO2)

Diamond

C (Carbon)

Polished black stone egg, probably black obsidian

Obsidian, a natural volcanic glass; composition primarily silica-rich glass (approximately SiO₂), with variable iron and other trace elements

Slag

Ferrous Slag (Siliceous industrial waste)

Faceted brown gemstone pendant, likely smoky quartz or champagne topaz

Probably quartz (SiO₂), smoky variety; alternatively topaz (Al₂SiO₄(F,OH)₂)

Green cabochon gemstone, likely aventurine or dyed chalcedony

Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony

Gemstone jewelry ensemble

Likely mixed gemstone and glass-bead jewelry; exact stones cannot be determined from the image

Sea Glass

Amorphous silicon dioxide (glass)

Turquoise cabochon ring

Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O

Sea Glass

Amorphous Silicon Dioxide (SiO2)

Blue-green gemstone ring, likely treated turquoise or synthetic/treated beryl

Indeterminate from image; possibilities include turquoise (CuAl6(PO4)4(OH)8·4H2O), apatite, or treated beryl

Brecciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Banded Calcite or Travertine

Calcium Carbonate (CaCO3)

Coquina

Biogenic Limestone (Calcite/Aragonite base, CaCO3)

Crushed Stone / Gravel

Aggregatus saxum (variable mineral composition)

Amethyst

Silicon Dioxide (SiO2)

Diamond

Native Carbon (C)

Turquoise bead bracelet

Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O

Crackled Quartz (Blue Dyed)

Silicon Dioxide (SiO2) with anthropogenic dye

Coquina

Bioclastic Limestone (Coquina)

Chalk

Calcium carbonate (CaCO3)

Chalk

Calcium Carbonate (CaCO3)