Man Made Silicate (Anthropogenic Glass)

Polished gemstone tower assortment

Primarily quartz varieties and simulants; apparent amethyst (SiO₂), rose quartz (SiO₂), clear quartz (SiO₂), fluorite (CaF₂), sodalite, malachite, and possibly dyed or composite stones

Jasper Marble

Silicon Dioxide (SiO2) with Impurities

Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Botryoidal chalcedony (likely agate/jasper variety)

Microcrystalline quartz, SiO₂

Polished obsidian

Volcanic glass; predominantly rhyolitic SiO₂

Purple glassy pebble, possibly slag glass

Unidentified; likely man-made glass rather than a natural mineral

Engineerged Quartz (Quartz Composite)

SiO2 (Silicon Dioxide) in a polymer resin matrix

Porcelain (White Ceramic)

Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)

Acrylic or Resin (Synthetic Imitation)

Polymethyl Methacrylate (PMMA) or Polyepoxide

Chakra Stone Tower (Composite Multi-Mineral)

Crystalline Silicon Dioxide composite (SiO2) with various inclusions

Asphalt Chunk (Bituminous Concrete)

Aggregated Bitumen / Artificial Breccia

Felsic Drill Core (likely Gneiss or Granite)

Felsic Metamorphic Rock (Gneissic profile)

Ironstone Concretion (Pot Stone)

Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)

Crackled Quartz (Dyed)

Silicon Dioxide (SiO2)

Green Glass (often marketed as 'Obsidian' or 'Green Quartz')

Amorphous Silica (SiO2) with copper or chromium additives

Dyed Imperial Jasper (Sea Sediment Jasper)

Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony

Ocean Jasper Mushroom

Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)

Titanium-Coated Hematite (Aura Hematite)

Titanium-bonded Hematite (Fe2O3 with a Ti coating)

Carborundum

Silicon Carbide (SiC)

Slag (Industrial By-product)

Glassy silicate or metallic smelting residue

Blue chalcedony (likely dyed or treated)

Microcrystalline quartz, SiO₂ (chalcedony)

Aura Quartz Geodes (Lab-Altered)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition

Slag (Industrial Glassy Byproduct)

Ferro-silicate Slag

Opalite

Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)

Red-orange jasper pebble (tentative)

Microcrystalline quartz, SiO₂, colored mainly by iron oxides

Sea Glass (Cobalt Blue)

Amorphous Silica (Glass with Cobalt additives)

Blue goldstone

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

Bismuth Crystal

Bismuth (Bi)

Aura Rose Quartz

SiO2 (Silicon Dioxide with Titanium/Gold coating)

Blue Sapphire (Synthetic or Man-made Glass Imitation)

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

Cubic Zirconia

Cubic Zirconium Dioxide (ZrO2)

Aura Quartz (Titanium-coated Quartz)

Silicon Dioxide (SiO2) with metallic vapor coating

Sandstone Concretion

Clastic Sedimentary Concretion (SiO2 with Iron Oxide)

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Crackle Agate / Dyed Quartz

SiO2 (Silicon Dioxide)

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives

Dyed or synthetic turquoise-blue glass-like specimen

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

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Likely polished quartz or glass-like mineral cabochon

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

Chakra Stone (Composite / Man-made Bonded Gemstones)

Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)

Fossiliferous limestone with colonial coral

Calcite (CaCO₃) limestone containing fossil tabulate or rugose coral colonies

Slag Glass (Cullet)

Amorphous Silica (man-made), primarily SiO2 with trace metal oxides