Worry Stone
Weathered Quartzite or Sandstone
sedimentary
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Sea Glass
Man-made silicate glass
mineral
Dyed Agate
SiO2
mineral
Blue Agate
Silicon Dioxide (SiO2)
gemstone
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Polished druzy quartz specimen
Quartz (SiO₂), likely druzy quartz with possible blue chalcedony or inclusions
mineral
Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
igneous
Dyed Tourmaline / Rubellite
Complex cyclosilicate, often Schorl or Elbaite base with artificial dye
mineral
Dyed Chalcedony (Agate)
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dalmatian Jasper (Dyed Blue)
Peralkaline Rock with Arfvedsonite and Blue Dye
igneous
Likely weathered limestone or calcareous concretion
Calcite-rich carbonate rock; chiefly calcium carbonate (CaCO₃)
sedimentary
Heat-Treated Citrine (Amethyst Cathedral with Agate inclusions)
Silicon Dioxide (SiO2) with iron impurities
mineral
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Sedimentary (formed from silica deposits)
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.)
Combined Minerals / Metaphysical stones
Dyed Quartz Geode
Dyed crystalline quartz (Silicon Dioxide, SiO2)
mineral
Dalmatian Stone
Peralkaline igneous rock containing quartz, feldspar, and arfvedsonite
igneous
Blue-dyed Quartz Druzy
Silicon Dioxide (SiO2) with artificial pigment
mineral
Agate (Dyed) or composite stone
SiO2
mineral
Conglomeratic gravel / polymictic breccia
Polymictic rudite, likely anthropogenic or beach/stream gravel; composition varies
sedimentary
Rhinestone
Artificial Glass/Crystal
gemstone
Slag (Industrial Glass)
Artificial Vitreous Silicate
mineraloid (anthropogenic)
Dyed howlite (turquoise imitation)
Howlite, Ca₂B₅SiO₉(OH)₅; commonly blue-dyed
mineral
Dyed Agate
Silicon Dioxide (Chalcedony with artificial colorant), SiO2
gemstone
Painted Rock / Geode Specimen
Silicon Dioxide with artificial pigment coating
mineral
Dyed Agate
Chalcedony (SiO2)
gemstone
Weathered gray-green basaltic rock
Basalt, likely altered to low-grade greenschist/amphibolite facies
igneous
Red Agate
Silicon dioxide (SiO2)
gemstone
Blue Agate (likely Dyed)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Dyed Agate
SiO2
Mineral
Green Onyx
Chalcedony (SiO2)
gemstone
Not a rock, mineral, or geological specimen
N/A
Aura Quartz
Silicon Dioxide (SiO2) treated with metal vapor
gemstone
Dyed pink howlite (tumbled stone)
Howlite, Ca₂B₅SiO₉(OH)₅; likely dyed to imitate pink turquoise or rhodonite
mineral
Dyed Blue Agate
Silicon Dioxide (SiO2)
Mineral
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
sedimentary (base), then artificial
Dyed Blue Agate
Silicon Dioxide (Chalcedony with artificial dye, SiO2)
gemstone
Dyed Agate
Silicon dioxide (SiO2) with artificial colorant
gemstone
Dyed Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate (Dyed / Polished)
Microcrystalline Quartz (SiO2)
mineral
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Rainbow Hematite / Magnetic Hematite
Iron oxide (Fe2O3) - often synthetic/coated for beads
mineral
Tumbled chert or flint pebble
Microcrystalline quartz (SiO₂), likely chert/flint
sedimentary