Petrified Wood
Silicified Wood (primarily SiO2)
Category
Browse sedimentary (silicified fossiliferous chalcedony) specimens identified by the Rock Identifier community.
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (SiO2)
Likely weathered gray flint/chert pebble
Microcrystalline quartz (SiO₂), commonly with chalcedony and minor impurities
Petrified Wood (Agatized/Silicified Wood)
Silicified Paleoxylon (primarily SiO2)
Turritella Fossil
Turritella (Class Gastropoda, Family Turritellidae)
Ocean Jasper
SiO2, highly silicified rhyolite or spherulitic chalcedony
Petrified Wood
Silicified Wood (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO₂)
Horn Coral Fossil
Rugosa (extinct order of solitary corals)
Petrified Wood
Silicified Wood (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Agate with Fossil/Inclusion
Silicon Dioxide (SiO2) with chalcedony and potential fossil inclusion
Petrified Wood
Silicified wood (Quartz/Chalcedony/Opal)
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)
Petrified Wood
Silicified wood (Quartz/Chalcedony/SiO2)
Petrified Wood
Silicified wood (principally SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Jasper and Quartz Breccia
Silicified Breccia (Quartz / Chalcedony / Hematite)
Fossil Coral / Petrifed Coral Agate
Silicified Anthozoa (Agatized Coral)
Red Jasper (Skull Carving)
Jasper (Silicon Dioxide, SiO2 plus Iron Oxide inclusions)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO₂)
Honeycomb Coral Fossil (Favosites)
Favosites alpenensis
Petrified Wood
Silicified wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified wood (primarily SiO2)
Petrified Wood
Silicified wood (principally SiO2)
Petrified Wood
Silicified wood / Permineralized wood (SiO2)
Fossil Coral
Rugosa or Tabulata / Hexacorallia (replaced with silica or calcite)
Turritella Agate (Calligrapher Stone)
Silicified Elimia tenera (Chalcedony/Quartz)