Polished black stone, likely hematite or black jasper
Hematite (Fe₂O₃) or opaque chalcedony/jasper (SiO₂); image-only identification is uncertain
mineral
Category
Sedimentary (Jasper), Mineral (Aquamarine)
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Jasper Agate
Cryptocrystalline quartz, SiO2
mineral
Tumbled orbicular jasper
Orbicular jasper; microcrystalline quartz (SiO₂) with iron oxides and feldspathic/chalcedony inclusions
sedimentary
Purple Dyed Dalmatian Stone
Dyed Peralkaline Trachyte
igneous
Tumbled blue jasper or blue-dyed jasper
Microcrystalline quartz (chalcedony), SiO₂; blue coloration may be natural or dye-enhanced
mineral
Jasper
Jasper (Silicate mineral, SiO2)
sedimentary
Red jasper (likely)
Microcrystalline quartz, SiO₂, colored red by iron oxides
mineral
Red Jasper
Jasper (Silicate Mineral - SiO2)
sedimentary
Polychrome Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Pegmatite (Granitic Pegmatite with Quartz and Feldspar)
Intrusive Igneous Rock (Granitic Pegmatite)
igneous
Jasper
Silicon dioxide (SiO2)
mineral
Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Leopard Skin Jasper
Silicon Dioxide (SiO2) with various inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2)
mineral
Jasper Agate
Chalcedony (Silicon Dioxide - SiO2)
mineral
Jasper
SiO2
mineral
Polished leopard-skin jasper
Jasper, a microcrystalline quartz variety (SiO₂), with iron-oxide and other mineral impurities
sedimentary
Jasper
Chalcedony (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
mineral
Polished Orbicular Jasper tower
Orbicular jasper (microcrystalline quartz/chalcedony with iron oxides and accessory minerals)
sedimentary
Jasper
Jasper (Silicate mineral, SiO2)
sedimentary
Jasper
Jasper (Silicate mineral, SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Yellow Chert (Yellow Jasper)
Silicon dioxide (SiO2)
sedimentary
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
mineral
Polished/tumbled brecciated jasper (likely rainforest or ocean jasper)
Microcrystalline quartz (SiO₂), commonly mixed with chalcedony, iron oxides, and other silicates
mineral
Jasper Breccia
Silicon Dioxide (SiO2) - Brecciated Microcrystalline Quartz
sedimentary
Polished Jasper
Cryptocrystalline quartz, SiO2
mineral
Jasper (Iron Oxide Rich)
Silicon Dioxide (SiO2) with Fe2O3 (Hematite/Goethite) inclusions
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
igneous
Unidentified orange-brown rock fragment
Likely weathered iron-rich volcanic rock or ochre-bearing material; exact identification is impossible from the blurred image
igneous
Jasper
Silicon Dioxide (SiO2)
mineral
Polished jasper, likely ocean jasper or brecciated jasper
Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides and other inclusions
mineral
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and other mineral inclusions
mineral
Tumbled jasper (likely picture/brecciated jasper)
Microcrystalline quartz (chalcedony), SiO₂, colored by iron oxides
mineral
Jasper
SiO2
Mineral
Polished green jasper (likely ocean jasper or serpentine-rich jasper)
Microcrystalline quartz, SiO₂, with iron-bearing and possibly serpentine/chlorite inclusions
mineral
Orbicular jasper
Silicified volcanic or sedimentary rock, primarily microcrystalline quartz (SiO₂) with iron-oxide minerals
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Tumbled jasper (likely picture jasper or iron-rich jasper)
Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides
sedimentary
Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
igneous