Mineraloid (Synthetic)

Diamond (or Cubic Zirconia simulant)

Carbon (C) / Zirconium Dioxide (ZrO2)

Emerald

Beryl (Be₃Al₂Si₆Oထ₈) with Chromium/Vanadium impurities

Strawberry Quartz (Hematoid Quartz)

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

Blue Goldstone

Aventurine Glass

Obsidian

Obsidian

Blue sapphire ring

Corundum, aluminum oxide (Al₂O₃), blue variety colored mainly by iron and titanium

Faceted citrine-colored gemstone (likely synthetic/display stone)

Quartz, SiO₂, if natural citrine; possibly synthetic sapphire or glass imitation

Carborundum (Silicon Carbide)

Silicon carbide (SiC)

Clear quartz crystal sphere

Quartz (silicon dioxide, SiO₂)

Blue Sapphire

Corundum (Al2O3)

Cubic Zirconia (CZ)

Cubic Zirconium Dioxide (ZrO2)

Polished black obsidian

Volcanic glass; primarily silica-rich rhyolitic glass (approximately 70–80% SiO₂)

Polished black obsidian

Volcanic glass; primarily silica-rich rhyolitic composition (approximately 70–80% SiO₂)

Black obsidian

Volcanic glass; predominantly rhyolitic silica-rich melt (approximately 70–80% SiO₂), lacking crystalline structure

Obsidian (likely snowflake-free black variety)

Volcanic glass; primarily SiO₂-rich rhyolitic composition

Mahogany Obsidian

Volcanic Glass with Hematite/Magnetite inclusions

Black Obsidian

Obsidian (Volcanic Glass, ~70% SiO2)

Obsidian

Volcanic Glass (SiO2)

Snowflake Obsidian (Flower Jasper variant)

Vitreous volcanic silicate with cristobalite inclusions

Mahogany Obsidian

Volcanic Glass (Silicate: SiO2 + Fe2O3)

Obsidian

Volcanic Glass (SiO2 rich)

Limonite (with Pyrite)

Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O

Limonite (Ironstone Concretion)

Limonite (Hydrated iron(III) oxide-hydroxide, mixtures of FeO(OH)·nH2O)

Colorless faceted gemstone, likely glass or cubic zirconia

Probably cubic zirconia (zirconium dioxide, ZrO₂); diamond cannot be confirmed visually

Cubic Zirconia (Faceted)

Zirconium dioxide (ZrO2)

Anthropogenic Heat Source (Electronic/Industrial Interface)

Thermal IR emission (Electronic infrastructure)

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Blue Sapphire (Synthetic or Man-made Glass Imitation)

Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic

Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)

There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).

Ruby

Corundum (Al2O3 with Chromium traces)

Pink corundum (likely synthetic or treated sapphire)

Corundum, Al₂O₃; pink coloration commonly from chromium or treatment

Dyed Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Colorless Gemstone (possibly Diamond or Cubic Zirconia)

C (Diamond) or ZrO2 (Cubic Zirconia)

Pearl and Garnet Glass

Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass

Opalite (a synthetic glass)

Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant

Faceted color-change gemstone, likely synthetic alexandrite or glass imitation

Alexandrite: chrysoberyl, BeAl₂O₄; exact identification requires gemological testing

Opalite

Synthetic Glass (Hydrated Silica Simulant)

Polished mahogany obsidian

Volcanic glass; primarily silica-rich rhyolitic composition (approximately 70–75% SiO₂)

Bumblebee Jasper

Calcite with Arsenic and Sulfur inclusions

Obsidian

Obsidian (Volcanic Glass)

Obsidian (Gold Sheen)

Obsidian (SiO2 + impurities)