Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
metamorphic
Category
Anthropogenic (Man Made Industrial Byproduct)
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Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
mineral
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
mineraloid (man-made glass)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
sedimentary
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
mineral
Chert (Arrowhead Debitage or Spall)
Silicon Dioxide (SiO₂)
sedimentary
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
Chert Arrowhead (Lithic Tool)
Microcrystalline quartz (SiO2) - Archeological lithic artifact
sedimentary
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Opalite
Synthetic Opalised Glass
mineral
Dyed Agate
Chalcedony (SiO2)
mineral
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
sedimentary
Concretion
Sedimentary Concretion (Ironstone / Calcite Concretion)
sedimentary
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
sedimentary
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
sedimentary
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
sedimentary
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Metal Alloy / Manufactured Artifact
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
mineral
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Basalt or Slag
Extrusive Igneous Rock / Industrial Slag
igneous
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.)
Combined Minerals / Metaphysical stones
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Man-made Jewelry Charm (Enameled Metal)
Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.
Synthetic / Manufactured Artifact
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral
Opalite
Synthetic Opalized Glass (SiO2 + additives)
mineraloid (man-made)
Opalite
Synthetic Glass (Simulated Opal)
mineral
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
sedimentary (base), then artificial
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Mineraloid (Man-made Glass)
Ferruginous Slag (Iron Smelting Byproduct)
Fused Silicate Scoria (Amorphous mixture of FeO, SiO2, and CaO)
Antropogenic Glass / Mineraloid
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Mineral (processed metal)
Aura Quartz (Rainbow Quartz)
Silicon Dioxide (SiO2) with metallic vapor coatings
mineral
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
sedimentary
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Cherry Quartz
SiO2 (Silicon Dioxide with iron-rich inclusions/dye)
mineral
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
tektite
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
mineral