Man Made (Synthetic Rock)

Green glass-like cabochon, likely synthetic glass or resin

Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin

Terracotta (Man-made ceramic brick fragment)

Baked clay / High-iron ceramic (Silicate-based ceramic)

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

Tumbled blue-green stone, possibly aquamarine or chalcedony

Indeterminate from image; possibilities include beryl (Be₃Al₂Si₆O₁₈) or cryptocrystalline quartz (SiO₂)

Emerald in Matrix

Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Dark blue polished stone pendant

Indeterminate; possibly sodalite, lapis lazuli, or blue slag/glass-like material

Basalt

Basalt

Blue glassy cabochon, likely blue quartz or synthetic glass

Possibly dyed blue chalcedony/quartz (SiO₂); visual identification is inconclusive

Gabbro

Gabbro

Lava Stone and Chakra Beads

Basalt (with various mineral/synthetic beads)

Plastic Building Toy (Lego-style piece)

Acrylonitrile Butadiene Styrene (ABS)

Blue goldstone

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

Likely polished quartz or glass-like mineral cabochon

Probably quartz (SiO₂), though the image cannot exclude man-made glass

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Green Glass Slag

Amorphous Silicon Dioxide (SiO2) with metal oxide impurities

Slate

Metamorphic Pelitic Rock

Blue-and-white opalite sphere

Opalite (commercial synthetic or glass-based imitation; not true opal), typically silica glass or synthetic opalescent material

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

Limonite (Iron Ore)

Limonite; FeO(OH)·nH2O

Lapis Lazuli

Lazurite-dominant metamorphic rock, Na8[Al6Si6O24]n(S,Cl,SO4,OH)2

Blue faceted gemstone, likely synthetic sapphire or blue spinel

Corundum (Al₂O₃) if sapphire; alternatively magnesium aluminate spinel (MgAl₂O₄)

Blue stone cabochon, likely lapis lazuli or dyed stone

Lapis lazuli: lazurite-rich rock, chiefly (Na,Ca)₈(AlSiO₄)₆(S,SO)₂; exact identification is uncertain from the image

Decorative opal-like turtle mosaic

Likely imitation or assembled opal material; exact stones cannot be confirmed visually

Dyed Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Likely silicon carbide (carborundum)

Synthetic silicon carbide (SiC), likely blue-green crystalline grit

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Red gemstone ring, likely synthetic ruby or red spinel

Ruby: corundum (Al₂O₃); spinel: MgAl₂O₄; exact identity requires testing

Colorless faceted gemstone (likely cubic zirconia)

Cubic zirconia, ZrO₂ (synthetic zirconium dioxide); possibly synthetic glass or lab-grown diamond

Cubic Zirconia

Zirconium dioxide (ZrO2)

Lava Rock (Dyed)

Basalt / Volcanic scoria

Pumice

Pumice (Vitreous volcanic rock)

Blue-green faceted gemstone, likely turquoise or treated turquoise

Turquoise: hydrated copper–aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification is uncertain from the image

Opal stud earrings

Opal, hydrated amorphous silica (SiO₂·nH₂O)

Clear Quartz (Faceted) / White Sapphire / Goshenite

Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)

Beach Pebble Quartzite / Chalcedony Pebble

Silicon Dioxide (SiO2)

Faceted Glass (Costume Jewelry)

Amorphous Silicon Dioxide with colorants (Glass)

Blue Goldstone

Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic zirconium dioxide, ZrO₂); possibly colorless quartz or laboratory diamond

Diamond Druzy (Crystalline Diamond)

Carbon (C)

Ruby (in costume jewelry context)

Corundum (Al2O3) with Chromium impurities

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives