Sedimentary (If Natural Jasper) Or Artificial (If Slag)

Dyed Agate

Silicon Dioxide (SiO2) with artificial pigment

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities

Dyed Dalmatian Stone

Aplite (Alkali-feldspar granite) with Arfvedsonite

Ferrous Slag

Fused calcium-iron silicates (Industrial Slag)

Painted Sandstone

Sandstone (clastic sedimentary rock) with acrylic/artistic coating

Pink Dyed Agate Geode Slice

Silicon Dioxide (SiO2) with artificial pigment

Concrete fragment or Conglomerate

Artificial Conglomerate (Concrete) or Natural Conglomerate

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.)

Vesicular basalt (possibly industrial slag)

Basalt, chiefly plagioclase + pyroxene ± olivine; exact identification is uncertain from the image

Yellow Chalcedony (Tumbled/Cabochon)

Silicon dioxide (SiO2)

Uncertain small metallic-looking mineral/rock fragment

Indeterminate; possibly galena-bearing rock or metallic slag

Asphalt

Asphalt concrete

Slag (Industrial Byproduct)

Ferrous/Non-ferrous Silicate

Dyed Howlite

Howlite (Ca2B5SiO9(OH)5)

Tumbled dark stone, likely basalt or black jasper

Probable basalt (fine-grained plagioclase–pyroxene rock); exact identification requires testing

Red Dyed Howlite

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Tumbled brown stone, likely chert or jasper

Microcrystalline quartz (SiO₂), likely ferruginous chert/jasper

Blue glassy tumbled stone, likely blue chalcedony or slag glass

Chalcedony (microcrystalline SiO₂), possibly man-made blue glass

Dragon Vein Agate

SiO2 (Quartz variety)

Dyed Agate

Silicon Dioxide with artificial pigment (SiO2)

Slag (Industrial Byproduct)

Artificial silicate/iron byproduct

Dyed Chalcedony (Agate)

Silicon Dioxide (SiO2) with artificial pigment

Dyed, polished stone—possibly rhodonite or pink jasper

Likely rhodonite (MnSiO₃) or manganese-rich jasper; exact identification requires testing

Dalmatian Stone (commonly Dyed)

Dalmatian Jasper (Peralkaline igneous rock)

Dyed and Metallic Coated Agate Geode

Silicon Dioxide (SiO2) with titanium/gold vapor deposition coating

Tumbled River Pebble (Quartzite / Agate)

Silicon Dioxide (SiO2)

Dyed Blue Agate Geode Slice

Chalcedony (Silicon Dioxide, SiO2)

Aggregate Concrete

Anthropogenic Conglomerate (Technosol)

Banded Slag Glass (Leland Blue/Frankfort Green style)

Anthropogenic Glass Specimen (Amorphous Silicon Dioxide with impurities)

Iron-rich sandstone or lateritic rock

Ferruginous sandstone; predominantly quartz (SiO₂) cemented or stained by iron oxides/hydroxides

Ironstone (iron-rich sandstone or concretion)

Ferruginous sandstone, cemented by iron oxides/hydroxides such as hematite (Fe₂O₃) and goethite (FeO(OH))

Blue-green slag glass or chalcedony-like material

Likely industrial glassy slag; exact identification requires testing

Peacock Ore (Treated Chalcopyrite)

Copper Iron Sulfide (CuFeS2) coated with oxides

Conglomeratic gravel / pebble-rich concrete-like rock

Polymictic conglomerate (likely an unconsolidated gravel surface; exact identification uncertain from the image)

Slag

Metallurgical Slag

Yellow tumbled stone, likely citrine or yellow calcite

Quartz (SiO₂), if citrine; alternatively calcite (CaCO₃)

Peridot

Olivine (Mg, Fe)2SiO4

Painted Garden Rock (likely Granite or Limestone base)

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3) based substrate with Acrylic/Enamel pigments

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial purple dye

Worry Stone

Weathered Quartzite or Sandstone

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Polished/tumbled septarian nodule (likely)

Calcite–aragonite–barite septarian concretion; composition varies, commonly calcite (CaCO₃) with clay/mudstone and iron oxides