Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Trilobite Fossil (Flexicalymene)
Flexicalymene ouzregui
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Sphalerite in Matrix (Polished Point)
Zinc sulfide (Zn,Fe)S
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - stained microcrystalline quartz
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Dyed Agate
Chalcedony (Silicon Dioxide, SiO2)
Dyed Agate
SiO2
Dalmatian Jasper (Dyed Blue)
Peralkaline Rock with Arfvedsonite and Blue Dye
Glass
Amorphous Silicon Dioxide (SiO2)
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
Agate (Dyed) or composite stone
SiO2
Dyed Agate
Chalcedony (SiO2)
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants
Dyed Blue Agate
Silicon Dioxide (SiO2) with artificial pigment
Heat-Treated Citrine (Amethyst Cathedral with Agate inclusions)
Silicon Dioxide (SiO2) with iron impurities
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Dyed Agate
Microcrystalline Quartz (SiO2) with artificial pigment
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Dyed Agate
SiO2
Blue Agate (likely Dyed)
Silicon Dioxide (SiO2) - Chalcedony variety
Dyed Quartz Geode
Dyed crystalline quartz (Silicon Dioxide, SiO2)
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
Dyed Agate
Silicon Dioxide (SiO2) with artificial colorants
Not a rock, mineral, or geological specimen
Beads (likely glass or man-made material)
N/A (artificial material)
Blue Goldstone
Goldstone (artificial glass)
Blue Onyx (Dyed Agate)
Cryptocrystalline Quartz (SiO2) with artificial pigment
Dyed Agate
Agate (Silicon dioxide)
Dyed Blue Agate
Silicon Dioxide (SiO2)
Crackle Agate / Dyed Quartz
SiO2 (Silicon Dioxide)
Dyed Howlite (Dyed Red)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Porphyritic Basalt (likely artificially dyed or altered)
Basalt with plagioclase phenocrysts (likely treated)
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial dyes
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Dyed Agate
Silicon Dioxide with artificial pigment (SiO2)
Dyed Pink Agate (or Dyed Quartzite)
Silicon dioxide (SiO2) with artificial pigment