Painted Rock / Geode Specimen
Silicon Dioxide with artificial pigment coating
mineral
Category
Sedimentary (If Natural Jasper) Or Artificial (If Slag)
Browse sedimentary (if natural jasper) or artificial (if slag) specimens identified by the Rock Identifier community.
Learn about Sedimentary (If Natural Jasper) Or Artificial (If Slag) in the encyclopedia
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Blue Agate (likely Dyed)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Dyed Blue Agate
Silicon Dioxide (SiO2)
Mineral
Dyed Agate Slice
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Dyed Purple Agate Sliced Tablet
Silicon Dioxide (SiO2), variety Chalcedony
gemstone
Slag (Industrial By-product)
Glassy silicate or metallic smelting residue
mineral-like (anthropogenic)
Polished jasper (likely brecciated or iron-rich jasper)
Microcrystalline quartz (SiO₂), colored by iron oxides/hydroxides and possibly sulfide minerals
mineral
Dyed Agate Geode
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Banded Agate (Dyed / Polished)
Microcrystalline Quartz (SiO2)
mineral
Red Painted Rock
Artificial Coated Lithic Fragment
sedimentary
Crackle Agate / Dyed Quartz
SiO2 (Silicon Dioxide)
mineral
Not a rock, mineral, or geological specimen
N/A
Dyed Agate
Silicon Dioxide (SiO2) with artificial colorants
mineral
Dyed Howlite (Turquenite)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Dyed Quartz Crystal
Silicon Dioxide (SiO2) with artificial pigment
mineral
Green Quartz (likely Aventurine or Prasiolite)
Silicon Dioxide (SiO2) with inclusions
mineral
Red Tiger's Eye
SiO2 (Silicon Dioxide with iron inclusions)
mineral
Titanium Quartz (Aura Quartz)
Silicon Dioxide (SiO2) treated with Titanium
mineral
Green Banded Agate
Cryptocrystalline microcrystalline Quartz (SiO2)
sedimentary
Dyed Quartz / Rose Quartz Imitation
Silicon Dioxide (SiO2) with artificial pigment
mineral
Blue goldstone beads
Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli
mineral
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Dyed Blue Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Blue Agate Slice
Chalcedony (Silicon Dioxide, SiO2)
mineral
Possible iron-rich concretion or weathered ironstone
Goethite/limonite-rich ironstone; exact identification requires testing
mineral
Asphalt Chunk (Bituminous Concrete)
Aggregated Bitumen / Artificial Breccia
sedimentary
Dyed Quartz Pendant
Silicon Dioxide (SiO2) with artificial dye
mineral
Prasiolite
Silicon Dioxide (SiO2) with iron impurities
mineral
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
gemstone
Dyed Pink Agate Slice
Silicon Dioxide (SiO2) - Chalcedony variety Agate
mineral
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Rainbow Hematite (Titanium-Coated Hematite)
Titanium-treated Hematite (Fe2O3)
mineral
Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Dragon Vein Agate
Silicon dioxide / Chalcedony (with heat/dye treatment) SiO2
gemstone
Slag Glass
Silicon dioxide with impurities
mineral
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Tumbled orange chalcedony or jasper
Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/jasper
mineral
Polished dark stone, likely basalt
Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, with possible olivine and magnetite
igneous
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
sedimentary (anthropogenic / man-made)
Dyed Pink Agate Slice
Cryptocrystalline variety of Quartz (SiO2)
mineral
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral