Synthetic (Ceramic)

Opalite (a synthetic glass)

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

Tumbled yellow-brown jasper

Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities

Polished orbicular jasper (probable ocean jasper)

Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide and other mineral inclusions

Opalite

Synthetic Glass (Hydrated Silica Simulant)

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

Alexandrite: chrysoberyl, BeAl₂O₄; exact identification requires gemological testing

Blue Goldstone

Synthetic glass with cobalt and copper inclusions

Blue Goldstone

Synthetic Avanturine Glass (or Aventurine Glass)

Lava Stone and Chakra Beads

Basalt (with various mineral/synthetic beads)

Opalite

Synthetic Fluorescent Glass (SiO2 + impurities)

Synthetic Ruby (Jewel Bearings)

Synthetic Corundum (Al2O3 doped with Chromium)

Blue Cracked Quartz (Dyed Fire Crackle Quartz)

Silicon Dioxide (SiO2) with synthetic dye

Pink-red faceted gemstone, possibly synthetic corundum or spinel

Uncertain; possible ruby (corundum, Al₂O₃) or red spinel (MgAl₂O₄)

Weathered sandstone pebble

Sandstone, likely quartz-rich (arkose or quartz arenite)

Tumbled jasper (likely ocean/picture jasper)

Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide inclusions

Blue glass-like bead or gemstone keychain ornament

Indeterminate; likely cobalt-blue glass or synthetic blue spinel, not identifiable as a natural mineral from the image

Pseudometeorite ironstone or weathered metallic nodule

Uncertain; likely iron-oxide-rich limonite/goethite with magnetite or hematite

Reddish-brown sandstone pebble

Quartz-rich sandstone, commonly ferruginous sandstone (SiO₂-dominated)

Tumbled pink opal (likely common opal)

Hydrated amorphous silica, SiO₂·nH₂O; likely pink common opal with manganese/iron inclusions

Iron-rich jasper (red jasper/ironstone)

Microcrystalline quartz (SiO₂) colored by hematite and goethite

Blue faceted gemstone, likely synthetic sapphire or blue spinel

Corundum (Al₂O₃) if sapphire; alternatively magnesium aluminate spinel (MgAl₂O₄)

Red Agate (Carnelian)

Silicon Dioxide (SiO2)

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

Hematite

Iron(III) oxide (Fe2O3)

Colorless faceted gemstone (likely cubic zirconia)

Cubic zirconia, ZrO₂ (synthetic zirconium dioxide); possibly synthetic glass or lab-grown diamond

Red synthetic corundum (ruby-colored lab-grown sapphire)

Corundum, aluminum oxide (Al₂O₃), likely synthetic and chromium-colored

Gemstone stud earrings, likely set with clear stones

The stones may be diamond (carbon, C) or colorless cubic zirconia (ZrO₂); the image is insufficient to distinguish them.

Cubic Zirconia (Set in Jewelry)

Zirconium Dioxide (ZrO2)

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Ruby

Corundum (Al2O3)

Green glass-like cabochon, likely synthetic glass or resin

Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin

Opal gemstone pendant

Opal (hydrated amorphous silica, SiO₂·nH₂O)

Iridescent coated quartz (likely synthetic/display gemstone)

Quartz, silicon dioxide (SiO₂), likely faceted and surface-coated; exact material cannot be confirmed visually

Pink Dyed Agate

Silicon Dioxide (SiO2) - Variety Agate

Pink microcline feldspar (likely amazonite-type feldspar)

Microcline, KAlSi₃O₈ (potassium feldspar)

Tumbled feldspar (likely peach moonstone/sunstone)

Potassium–sodium feldspar; likely orthoclase or oligoclase, (K,Na)AlSi₃O₈

Milky quartz vein rock

Quartz, silicon dioxide (SiO₂), likely massive vein quartz with iron-oxide staining

Blue Quartz (specifically Dumortierite Quartzite)

Silicon Dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)

Chlorite (Small Flakes/Sand)

Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)

Black Tourmaline in Quartz and Feldspar Matrix

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) with Quartz and Feldspar

Chert (Flint)

Microcrystalline Quartz (SiO2)

Quartzite

Quartzite (SiO2)

Ruby (Faceted)

Corundum (Al2O3:Cr)