Smoky Quartz
Smoky Quartz (SiO2)
mineral
Category
Man Made Glass (Not A Natural Rock Or Mineral)
Browse man made glass (not a natural rock or mineral) specimens identified by the Rock Identifier community.
Learn about Man Made Glass (Not A Natural Rock Or Mineral) in the encyclopedia
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Chalk
Calcium carbonate (CaCO3)
sedimentary
Chalk
Calcium Carbonate (CaCO3)
sedimentary
Slag
Ferrous Slag (Siliceous industrial waste)
Anthropogenic (Man-made industrial byproduct)
Blue chalcedony cabochon (probable)
Chalcedony, a cryptocrystalline variety of quartz; silicon dioxide, SiO₂
gemstone
Diamond
Carbon (C)
mineral
Diamond (Colorless/White)
Carbon (C)
mineral
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Diamond
Carbon (C)
mineral
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
mineral and glass
Sandstone Pebble
Ferruginous Sandstone (SiO2 with Fe2O3)
sedimentary
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
man-made glass mineral simulant
Black Obsidian
Obsidian (Volcanic Glass, SiO2 + impurities)
igneous
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
igneous
Diamond (in a jewelry setting)
Carbon (C)
mineral
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
mineral (man-made composite)
Blue Slag Glass
Ferro-silicate glass (Slag)
igneous (man-made/industrial)
Cullet Glass (Industrial Slag Glass)
Amorphous Silica (SiO2) with metallic oxide impurities
Man-made byproduct (often mistaken for Obsidian or Emerald)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Yooperlite (Syenite clast containing fluorescent Sodalite)
Sodalite-bearing Syenite
igneous
Cobalt Glass Slug (Man-made Glass)
Amorphous Silica with Cobalt Oxide (SiO2 + CoO)
mineraloid
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
man-made composite (lithified equivalent of sedimentary)
Pyrite Concretion (Grapestone)
Iron Sulfide (FeS2) Concretion
sedimentary
Sandstone
Sedimentary Clastic Rock
sedimentary
Corundum (Ruby variety)
Aluminium oxide (Al2O3)
mineral
Dyed Blue Agate Slice
Silicon Dioxide (SiO2)
mineral
Blue Chalcedony Cube
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Pearl
Biogenic CaCO3 (Aragonite and Calcite)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with trace aluminum and irradiation
mineral
Banded Chert / Chalcedony
Silicon Dioxide (SiO2)
sedimentary
Probable amber fragment
Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)
gemstone
Diamond (as set in a gold ring)
Carbon (C)
mineral
Diamond (or Diamond Simulant)
Carbon (C) or Cubic Zirconia (ZrO2)
gemstone
Corundum (Sapphire/Ruby in Matrix)
Corundum (Al2O3)
mineral
Synthetic Resin (Artificial Specimen)
Polyurethane or Polyester Resin
mineraloid (man-made)
Diamond in Kimberlite
Diamond (C in Kimberlite)
igneous
Sandstone
Clastic Sedimentary Rock
sedimentary
Corundum (Sapphire variant)
Aluminium oxide (Al2O3)
mineral