Synthetic (Ceramic)

Opal ring

Common opal, likely synthetic or assembled blue-green opal (hydrated amorphous silica, SiO₂·nH₂O)

Green faceted bead strand, likely dyed or synthetic material

Uncertain; possibly green-dyed quartz, glass, or lab-created emerald-like material

Blue Sapphire (in a faceted jewelry setting)

Corundum (Al2O3) with trace Iron and Titanium

Ruby

Corundum (Al2O3)

Ruby

Corundum (Al2O3 with Chromium)

Gold Nugget

Native Gold (Au)

Tumbled green beryl or glassy green gemstone

Likely beryl, Be₃Al₂Si₆O₁₈; possibly treated emerald or synthetic glass

Orange cabochon gemstone, likely amber or amber-like resin

Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing

Ruby (Pink to Red Corundum)

Al2O3 (Corundum with Chromium impurities)

Ruby

Corundum (Al2O3 with Chromium traces)

Blue Sapphire

Corundum (Al2O3)

Tumbled Clear Quartz and Citrine Points

Silicon Dioxide (SiO2)

Faceted blue gemstone ring, likely synthetic spinel or glass; identity uncertain

Possibly synthetic blue spinel (MgAl₂O₄) or laboratory sapphire (Al₂O₃); the clear side stones may be cubic zirconia or glass

Carved labradorite fish

Labradorite, calcium-rich plagioclase feldspar (approximately (Ca,Na)(Al,Si)₄O₈)

Pegmatitic granite

Granitic pegmatite; chiefly quartz (SiO₂), feldspars, and mica

Blue Celestine

Celestine (SrSO4)

Milky Quartz

Silicon Dioxide (SiO2)

Fluorite

Calcium Fluoride (CaF2)

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Purple Lepidolite with Quartz

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Celestite

Celestine (Strontium Sulfate, SrSO4)

Green Obsidian Sphere (man-made glass)

Vitreous Silica with Chromium/Iron additives

Green faceted gemstone, likely tsavorite garnet

Tsavorite: green grossular garnet, Ca₃Al₂(SiO₄)₃

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

Amethyst (Resin Carving/Orgonite)

Silicon Dioxide (SiO2) with iron impurities

Cubic Zirconia (Man-made)

Cubic Zirconia (ZrO2) with Enamel and Metal Alloy

Pale greenish quartz-bearing rock, possibly serpentine or altered feldspar

Tentatively serpentinite-related rock (serpentine-group minerals) or altered granitic material; identification is uncertain from the photograph

Opalite

Man-made Glass (Synthetic Opalized Glass)

Opalite

Synthetic Glass / Man-made Opal Simulant

Blue Goldstone

Synthetic glass with copper or cobalt/manganese inclusions

Opalite

Synthetic Opalized Glass / Man-made Glass

Quartzite (Engineered Stone)

Silicon Dioxide (SiO2) based synthetic composite

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Blue Goldstone

Auraventurine (Synthetic glass with cobalt and copper inclusions)

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

Faceted clear quartz (rock crystal), likely a cut imitation or low-grade gemstone

Quartz, silicon dioxide (SiO₂)

Cut red gemstone in a gold ring

Likely ruby (corundum, Al₂O₃), though red spinel or garnet is also possible from the image

Polished blue stone, likely sodalite or dyed agate

Most consistent with sodalite (Na₈(Al₆Si₆O₂₄)Cl₂), though the image cannot confirm composition

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

Faceted blue gemstone, likely aquamarine

Aquamarine—blue beryl, Be₃Al₂Si₆O₁₈; identification is uncertain from the image alone

White cabochon gemstone, likely milky chalcedony or opalite

Chalcedony: microcrystalline quartz, SiO₂; appearance may also indicate synthetic opalite glass

Dyed Agate Geode

Silicon Dioxide (SiO2) with artificial pigment