Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
Dyed Agate
Chalcedony (Silicon Dioxide, SiO2)
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
Pink Dyed Agate (Banded Chalcedony)
Silicon dioxide (SiO2) - variety Chalcedony
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with synthetic dye
Citrine
Silicon dioxide (SiO2)
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Pink Banded Agate (Dyed)
Chalcedony (cryptocrystalline silica), chemical formula SiO2
Red Tiger's Eye
Silicified Crocidolite (Quartz pseudo-morph after Crocidolite), SiO2
Dyed Agate Geode (Pink/Magenta)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
Dyed Agate Slice
Silicon Dioxide (SiO2) - variety of Chalcedony
Green Banded Agate
Agate (Variety of Chalcedony/Quartz), SiO2
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Agate
Banded Chalcedony (SiO2)
Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate / Chalcedony
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Heat-Treated Citrine (Amethyst-based)
Quartz (Silicon Dioxide) - SiO2
Basalt (Polished River Stone)
Basalt (Extrusive Mafic Volcanic Rock)
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Dyed Howlite
Borosilicate hydroxide (Ca2B5SiO9(OH)5)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Red Jade (Dyed Quartzite)
Silicon Dioxide (SiO2) - variety Quartzite
Ferrous Slag
Fused calcium-iron silicates (Industrial Slag)
Olivine (Peridot)
Olivine Group (Magnesium Iron Silicate), (Mg, Fe)2SiO4
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Blue Crackle Quartz (Dyed Fire Agate/Quartz)
Silicon Dioxide (SiO2) with artificial dye treatment
Dyed Pink Agate (Crackled)
Silicon Dioxide (SiO2) - Chalcedony variety
Purple Agate (Dyed Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sphalerite in Matrix (Polished Point)
Zinc sulfide (Zn,Fe)S
Peridot
Olivine ((Mg, Fe)2SiO4)
Smoky Quartz
SiO2 (Silicon Dioxide)
Blue Agate (Tumbled and Dyed)
Silicon Dioxide (SiO2) with likely organic dyes
Blue Tiger's Eye (Hawk's Eye)
Pseudomorph of Quartz after Crocidolite (SiO2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Peacock Ore
Bornite (Cu5FeS4)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Glass
Amorphous Silicon Dioxide (SiO2)
Dyed Blue Agate
Cryptocrystalline Quartz (SiO2)
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)