Green Glass Slag
Amorphous Silicon Dioxide (SiO2) with metal oxide impurities
mineraloid (man-made)
Category
Man Made (Synthetic Rock)
Browse man made (synthetic rock) specimens identified by the Rock Identifier community.
Learn about Man Made (Synthetic Rock) in the encyclopedia
View all →
Slate
Metamorphic Pelitic Rock
metamorphic
Blue Agate Geode (Dyed)
Cryptocrystalline Quartz (SiO2)
mineral
Faceted Glass (Costume Jewelry)
Amorphous Silicon Dioxide with colorants (Glass)
Synthetic/Man-made Material
Lapis Lazuli
Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
metamorphic
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
not a rock or mineral
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Synthetic (Man-made Glass)
Ruby
Corundum (Al2O3 with Chromium trace impurities)
mineral
Blue slag glass or dyed glass-like industrial material
Amorphous silicate glass; likely copper-bearing blue slag, but possibly colored man-made glass
mineral
Colorless faceted gemstone (likely cubic zirconia)
Cubic zirconia, zirconium dioxide (ZrO₂); possibly synthetic quartz or glass imitation
gemstone
Diamond Druzy (Crystalline Diamond)
Carbon (C)
mineral
Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (zirconium dioxide, ZrO₂); visual confirmation is unavailable
gemstone
Colorless faceted gemstone (likely cubic zirconia)
Cubic zirconia, ZrO₂ (synthetic zirconium dioxide); possibly synthetic glass or lab-grown diamond
gemstone
Diamond (or Cubic Zirconia)
Cubic Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Grey Chalcedony
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Silicon
Element Si
mineral
Lava Rock (Dyed)
Basalt / Volcanic scoria
igneous
Pumice
Pumice (Vitreous volcanic rock)
igneous
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
metamorphic
Blue Lace Agate
Chalcedony (SiO2) with trace inclusions
mineral
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
mineral
Man-made Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating/dye
mineral
Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)
Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)
gemstone
Green Agate
Silicon dioxide (SiO₂)
mineral
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
mineral
Faceted Quartz or Cubic Zirconia
SiO2 (Quartz) or ZrO2 (Cubic Zirconia)
gemstone
Dalmatian Stone
Dalmatian Stone (Felsic Igneous Rock)
igneous
Granite
Plutonic Igneous Rock (composed typically of SiO2, Al2O3, K2O, Na2O, CaO)
igneous
Coquina
Bioclastic Limestone (composed primarily of CaCO3)
sedimentary
White Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Mineraloid
Rough Sapphire (Corundum)
Corundum (Al2O3)
mineral
Bituminous Coal
Organic-rich sedimentary rock (Complex hydrocarbons)
sedimentary
Slate
Metamorphic Pelitic Rock
metamorphic
Black Obsidian
Obsidian (Volcanic Glass, SiO2 + impurities)
igneous
Sandstone Concretion
Sedimentary concretion
Sedimentary
Granite / Diorite (Granodiorite)
Granodiorite / Quartz Diorite
igneous
Rainbow Hematite (Man-made/Treated)
Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)
mineral
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
Amorphous Solid
Sandstone
Arenite (with iron oxide cement)
sedimentary
Blue Sapphire
Corundum (Al2O3)
mineral