Green Sea Glass
Man-made vitreous material (silica glass)
gemstone
Category
Sedimentary (Man Made)
Browse sedimentary (man made) specimens identified by the Rock Identifier community.
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Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Blue Goldstone
Aventurine Glass
man-made glass
Tumbled milky quartz
Quartz — silicon dioxide (SiO₂), cryptocrystalline or microcrystalline variety possible
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
mineral
Red-orange jasper pebble (tentative)
Microcrystalline quartz, SiO₂, colored mainly by iron oxides
mineral
Engineerged Quartz (Quartz Composite)
SiO2 (Silicon Dioxide) in a polymer resin matrix
mineral
Porcelain (White Ceramic)
Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)
metamorphic
Acrylic or Resin (Synthetic Imitation)
Polymethyl Methacrylate (PMMA) or Polyepoxide
Synthetic/Man-made Polymer
Chakra Stone Tower (Composite Multi-Mineral)
Crystalline Silicon Dioxide composite (SiO2) with various inclusions
mineral
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
sedimentary
Likely clear quartz crystal or glass-like gemstone
Quartz, silicon dioxide (SiO₂); exact identification is uncertain from the strongly magenta-lit image
mineral
Metallic sulfide mineral fragment, likely galena
Galena (lead sulfide, PbS), tentative identification
mineral
Vesicular basalt (weathered scoria)
Scoriaceous basalt; chiefly plagioclase, clinopyroxene, olivine, and iron-titanium oxides
igneous
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
mineral
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
mineral
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
mineral
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Bismuth Crystal
Bismuth (Bi)
mineral
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
mineral
Blue cabochon, likely dyed or synthetic material
Undetermined; possibly dyed chalcedony (SiO₂), glass, or synthetic corundum
gemstone
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
gemstone
Aura Quartz (Titanium-coated Quartz)
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral
Colorless quartz crystal (likely quartz fragment)
Quartz, silicon dioxide (SiO₂)
mineral
Fossiliferous limestone with colonial coral
Calcite (CaCO₃) limestone containing fossil tabulate or rugose coral colonies
fossil
Tumbled milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
mineral
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
mineral (refined metal)
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
Obsidian
Volcanic Glass
igneous
White quartz pebble or chip
Quartz (silicon dioxide, SiO₂), possibly milky quartz
mineral
Tumbled white chalcedony (likely milky quartz)
Chalcedony, microcrystalline quartz (SiO₂)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
metamorphic
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)
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
mineral