Lava Stone and Chakra Beads
Basalt (with various mineral/synthetic beads)
igneous
Category
Synthetic (Ceramic)
Browse synthetic (ceramic) specimens identified by the Rock Identifier community.
Learn about Synthetic (Ceramic) in the encyclopedia
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Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
mineraloid (synthetic)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
mineral
Quartzite river stone
Quartzite (mostly SiO2)
metamorphic
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Diamond (or Diamond Simulant)
Carbon (C)
gemstone
Red faceted gemstone jewelry setting
Likely synthetic ruby or red spinel centerpiece with colorless accent stones; exact identification requires gemological testing
gemstone
Orange cabochon gemstone, likely amber or amber-like resin
Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing
gemstone
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Ruby (Pink to Red Corundum)
Al2O3 (Corundum with Chromium impurities)
mineral
Tumbled Clear Quartz and Citrine Points
Silicon Dioxide (SiO2)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Coal (Anthracite/Bituminous)
Carbo fossilium (primarily Carbon)
sedimentary
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
mineral
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
mineral
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Amethyst (Resin Carving/Orgonite)
Silicon Dioxide (SiO2) with iron impurities
mineral
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
mineral
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
mineraloid (man-made glass)
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Sedimentary
Dyed Agate
Chalcedony (SiO2)
mineral
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
mineralogical simulant
Green cabochon gemstone, likely aventurine or dyed chalcedony
Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony
gemstone
Opalite
Synthetic Opalized Glass / Man-made Glass
gemstone
Blue Goldstone
Synthetic Aventurescent Glass (Cobalt-doped soda-lime glass)
man-made glass
Ammolite
Biogenic gemstone (Aragonite, CaCO3)
mineral
Tumbled amethyst
Amethyst, purple quartz (SiO₂), colored by trace iron and irradiation
gemstone
Tumbled amethyst
Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation
gemstone
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
gemstone
Garden Quartz (Lodalite)
Silicon Dioxide with various mineral inclusions (SiO2)
mineral
Peacock Ore
Bornite (Cu5FeS4)
mineral
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Assorted Semi-Precious Gemstone Crosses
Quartz, Silicates, Carbonates (various)
mineral
Colorless faceted gemstone (likely cubic zirconia)
Cubic zirconia, ZrO₂ (synthetic zirconium dioxide); possibly synthetic glass or lab-grown diamond
gemstone
Blue Celestine
Celestine (SrSO4)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Purple Lepidolite with Quartz
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Celestite
Celestine (Strontium Sulfate, SrSO4)
mineral
Cubic Zirconia
Zirconium Dioxide (ZrO2)
mineral