Yellow faceted gemstone, likely citrine or yellow sapphire
Uncertain; probable quartz (SiO₂) or corundum (Al₂O₃)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Yellow faceted gemstone, likely citrine or yellow sapphire
Uncertain; probable quartz (SiO₂) or corundum (Al₂O₃)
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Malachite
Copper carbonate hydroxide [Cu2CO3(OH)2]
Synthetic Ruby (Jewel Bearings)
Synthetic Corundum (Al2O3 doped with Chromium)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
Raw Topaz
Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2
Diamond
Carbon (C)
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
Man-made Jewelry Charm (Enameled Metal)
Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.
White cabochon gemstone, likely milky chalcedony or opalite
Chalcedony: microcrystalline quartz, SiO₂; appearance may also indicate synthetic opalite glass
Red gemstone ring, likely ruby or synthetic ruby
Corundum (Al₂O₃), chromium-colored; the image alone cannot confirm whether it is natural or synthetic
Turquoise cabochon jewelry
Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
Mixed gemstone jewelry collection
Various gemstone minerals, including likely amethyst (quartz), sapphire or iolite, garnet, pearl, turquoise, and colored beryl or tourmaline
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
Heart-shaped faceted gemstone pendant
Likely yellow quartz (citrine) or synthetic yellow stone, set in metal with small clear accent stones
Blue-green tumbled gemstone, likely turquoise or dyed turquoise
Turquoise: hydrated copper–aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; identification is uncertain from the blurry image
Diamond ring
Diamond, crystalline carbon (C)
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
Lapidary Wax (imitation/wax model)
Hydrocarbon wax blend with colorant (imitating Lapis Lazuli/Emerald)
Hematite bead bracelet
Hematite (Fe₂O₃), likely polished or magnetically enhanced beads
Faceted Gemstones (Mixed)
Various (e.g., Corundum, Beryl, Quartz, or synthetic equivalents)
Blue Sapphire
Corundum (Al2O3 with Cr, Fe, and Ti trace elements)
Opal cabochon
Opal, hydrated amorphous silica (SiO₂·nH₂O), likely common or Ethiopian precious opal
Smoky Quartz
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Polished pink quartz cabochon
Quartz (SiO₂), likely rose quartz or included quartz
Bismuth
Bismuth (Bi)
Hematite
Iron(III) oxide, Fe2O3
Jade bangle
Likely nephrite jade (actinolite–tremolite amphibole); possibly jadeite
Polished honey-yellow quartz-like crystal
Quartz (SiO₂), possibly citrine or heat-treated amethyst
Polished blue-black cabochon, likely blue obsidian or dyed glass-like stone
Indeterminate from image; possible natural obsidian (volcanic glass), commonly SiO₂-rich rhyolitic glass
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)
Tumbled hematite
Hematite (iron(III) oxide, Fe₂O₃)
Faceted colorless gemstone, likely diamond
Diamond (crystalline carbon, C)
Dalmatian jasper
Orbicular rhyolite, commonly sold as Dalmatian jasper; quartz- and feldspar-rich volcanic rock with dark amphibole/biotite inclusions
Emerald in Matrix
Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium
Diamond ring
Diamond (crystalline carbon, C)
Blue-beaded gemstone jewelry, likely lapis lazuli or dyed blue agate
Uncertain from the image; possible lazurite-bearing lapis lazuli (Na₃Ca(Si₃Al₃)O₁₂S) or blue chalcedony (SiO₂)
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
Tumbled hematite
Hematite (Fe₂O₃), commonly sold as “magnetic hematite” when synthetic or magnetized