Mineral (Man Enhanced)

Dyed Agate

Silicon Dioxide (SiO2)

Tumbled metallic sulfide specimen, likely chalcopyrite

Chalcopyrite (CuFeS₂), possibly polished or coated

Likely dark rounded stone or mineral fragment

Indeterminate; possibly a water-worn mafic rock such as basalt

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Opalite

Man-made Glass (Synthetic Opalized Glass)

Chakra Stone Tower (Composite Multi-Mineral)

Crystalline Silicon Dioxide composite (SiO2) with various inclusions

Smoky quartz cluster

Quartz, silicon dioxide (SiO₂), likely smoky variety with minor iron-related color centers

Green Aventurine

SiO2 (Silicon Dioxide with Fuchsite inclusions)

Diamond (in a jewelry setting)

Carbon (C)

Blue Goldstone

Aventurine Glass

Carnelian (red-orange chalcedony)

Chalcedony, cryptocrystalline SiO₂; quartz-group mineral

Polished brown jasper pebble

Jasper, an opaque microcrystalline variety of chalcedony (SiO₂), commonly containing iron oxides and other impurities

Tumbled orange chalcedony (likely carnelian)

Cryptocrystalline quartz, SiO₂; orange variety commonly called carnelian

Dyed Agate / Quartz

Silicon Dioxide (SiO2) with artificial dye

Polished purple banded agate geode

Cryptocrystalline quartz (chalcedony), SiO₂, with purple coloration likely from amethyst/quartz and possible dye enhancement

Opalite

Synthetic Glass (Simulated Opal)

Asphalt / Road Aggregate

Bituminous Conglomerate (synthetic)

Cobalt Blue Glass / Cullet Glass

Silicon dioxide (Amorphous man-made glass)

Dyed blue banded agate

Microcrystalline quartz (SiO₂), mainly chalcedony

Red/orange chalcedony (carnelian), possibly dyed or heat-treated

Chalcedony, cryptocrystalline SiO₂ (quartz variety)

Quartz crystal fragment (likely milky quartz)

Quartz, silicon dioxide (SiO₂)

Titanium-Coated Hematite (Aura Hematite)

Titanium-bonded Hematite (Fe2O3 with a Ti coating)

Green Quartz / Chrysoprase / Sea Glass

Silicon Dioxide (SiO2)

Opalite

Synthetic Opalite Glass / Opalized Glass

Sodalite beads

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂, likely with minor lazurite/pyrite or calcite inclusions

Tumbled banded agate (likely chalcedony)

Microcrystalline quartz, SiO₂; probable banded chalcedony/agate

Druzy quartz geode slice

Quartz, silicon dioxide (SiO₂), commonly lining a chalcedony- or quartz-rich geode

Agate

Silicon Dioxide (SiO2)

Aura Quartz (Titanium Quartz)

Titanium-coated Silicon Dioxide (SiO2 + Ti)

Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Corundum (Ruby variety)

Aluminium oxide (Al2O3)

Peacock ore (bornite/chalcopyrite), likely treated

Bornite, Cu₅FeS₄, and/or chalcopyrite, CuFeS₂

Pink Banded Agate (Dyed)

Chalcedony (cryptocrystalline silica), chemical formula SiO2

Polished blue chalcedony (likely blue quartz/chalcedony cabochon)

Chalcedony, cryptocrystalline SiO₂; possibly dyed or treated common quartz

Carnelian (Chalcedony)

Silicon Dioxide (SiO2) with iron oxide impurities

Dragon Vein Agate

Chalcedony (cryptocrystalline silica, SiO2) variety Agate

Cubic Zirconia

Cubic Zirconium Dioxide (ZrO2)

Polished fossiliferous limestone

Bioclastic limestone, chiefly calcite (CaCO₃)

Quartz geode

Silica geode; predominantly microcrystalline and crystalline quartz (SiO₂), possibly with chalcedony

Tumbled amethyst

Quartz, purple variety (SiO₂), colored mainly by iron-related defects and irradiation

Opalite

Synthetic Opalized Glass

Tumbled tiger’s-eye (probable)

Quartz, SiO₂, with fibrous amphibole pseudomorphs