Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
Learn about Mineral (Man Made Glass) in the encyclopedia
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Man-made Blank Ammunition (Brass)
CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)
Anticrystalline / Synthetic Alloy
Obsidian
Obsidian (Volcanic Glass)
igneous
Diamond (or Diamond Simulant)
Carbon (C)
mineral
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown
Man-made Object (Metal/Alloy)
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Likely blue glass or synthetic gemstone jewelry
Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass
gemstone
Blue Slag Glass
Amorphous Silica (Industrial byproduct)
Antropogenic (Man-made glass byproduct)
Slag (Anthropogenic Glass/Iron byproduct)
Ferro-silicate Slag
Anthropogenic (Man-made)
Sandstone (Water-worn Cobble)
Arenite (SiO2 with CaCO3 or Fe2O3 cement)
sedimentary
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
mineral and glass
Blue Goldstone
Aventurine Glass
Man-made mineral simulant (Glass)
Sandstone
Arenite (mostly SiO2)
sedimentary
Synthetic Resin (Artificial Specimen)
Polyurethane or Polyester Resin
mineraloid (man-made)
Note: Item is a Synthetic/Man-made Object
Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)
Non-geological
Sandstone
Arenite (SiO2 composition dominant)
sedimentary
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Mineraloid (Synthetic/Man-made)
Pyrite
Iron Sulfide (FeS2)
mineral
Diamond (in jewelry setting)
Diamond (C - Carbon)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2) with trace aluminum and irradiation
mineral
Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
man-made glass mineral simulant
Obsidian
Volcanic Glass (SiO2)
igneous
Yellow Sapphire (Raw)
Corundum (Al2O3)
mineral
Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)
Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)
mineral (synthetic)
Green Glass Slag
Amorphous Silicon Dioxide (SiO2) with metal oxide impurities
mineraloid (man-made)
Porcelain (Stoneware Ceramic)
Mullite / Silica-glass composite (Al6Si2O13)
metamorphic (man-made)
N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Mineral (processed metal)
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Asphalt Pavement (with aggregate)
Asphalt concrete
man-made composite
Smoky Quartz
Smoky Quartz (SiO2)
mineral
Chalcedony (Agate / Jasper Specimen)
Silicon Dioxide (SiO2)
mineral
Diamond
Carbon (C)
gemstone
Fired Clay Brick (Anthropic Rock substitute)
Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)
metamorphic (man-made / anthropic)
Aragonite
Aragonite (Calcium Carbonate - CaCO3)
mineral
Corundum (Sapphire variant)
Aluminium oxide (Al2O3)
mineral
Terracotta (Man-made ceramic brick fragment)
Baked clay / High-iron ceramic (Silicate-based ceramic)
Anthropogenic material (Man-made sedimentary mimic)
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
mineral
Tektite
Natural impact glass
meteorite
Precious Coral (Red Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Blue Goldstone
Aventurine Glass (Silicon Dioxide with metal inclusions)
man-made glass mineral simulant