Purple Dyed Dalmatian Stone
Dyed Peralkaline Trachyte
igneous
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Quartz Geodes and Crystal Clusters
Silicon Dioxide (SiO2)
mineral
Prasiolite (Green Quartz)
Silicon Dioxide (SiO2) with iron impurities
mineral
Dyed Pink Quartzite (Jadeite Simulant)
Silicon Dioxide (SiO2) with organic dye
metamorphic
Dalmation Stone (Dyed)
Peralkaline rhyolite
igneous
Slag
Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)
igneous (artificial/anthropogenic)
Sandstone (Nut-stone / Cup-stone artifact)
Quartz Arenite / Worked Sedimentary Rock
sedimentary
Dyed Agate
SiO2 (Silicon Dioxide)
mineral
Dyed Purple Agate Sliced
Silicon Dioxide (SiO2) with artificial pigment
mineral
Pink Agate and Quartz Earrings
Silicon dioxide (SiO2)
gemstone
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
mineral
Dyed Blue Agate Slice
Silicon Dioxide (SiO2)
mineral
Blue Agate Geode (Dyed)
Cryptocrystalline Quartz (SiO2)
mineral
Lemon Quartz
Silicon dioxide, SiO2
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Dragon Vein Agate
Silicon dioxide / Chalcedony (with heat/dye treatment) SiO2
gemstone
Galena
Lead Sulfide (PbS)
mineral
Orange Quartz (or Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Red Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with Fe2O3 inclusions)
metamorphic
Magnetic Hematite
Iron(III) oxide (Fe2O3) - Man-magnetized ceramic/barium ferrite composite
mineral
Weathered concrete or cementitious slab (not natural rock)
Artificial calcium-silicate cement composite; likely Portland cement concrete
sedimentary
Dyed Pumice
Vesicular Rhyolite (Artificial Coloration Addition)
igneous
Dyed Purple Agate
Silicon Dioxide (Chalcedony with artificial dye)
gemstone
Blue Dyed Quartzite
Silicon Dioxide (SiO2) with artificial pigment
metamorphic
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Tumbled Quartz
Silicon Dioxide (SiO2) with artificial pigment
mineral
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
gemstone
Dyed Agate / Quartz (Tumbled)
Silicon Dioxide (SiO2) with artificial dye
mineral
Dyed Quartz Pendant
Silicon Dioxide (SiO2) with artificial dye
mineral
Dyed Agate / Quartz
Silicon Dioxide (SiO2) with artificial dye
mineral
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with artificial dye
mineral
Dyed Blue Agate Slice
Silicon Dioxide (SiO2) with artificial dye
mineral
Dyed Blue Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Blue Crackle Quartz (Dyed Quarzite)
Silicon Dioxide (SiO2) with artificial dye
Metamorphic (modified)
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial dye
mineral
Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Blue Quartzite
SiO2 (Silicon Dioxide) with artificial colorants
metamorphic
Banded Calcite (often sold as 'Mexican Onyx')
Calcite (Calcium Carbonate - CaCO3)
sedimentary