Petrified Wood (Agatized/Silicified Wood)
Silicified Wood (SiO2)
Category
Browse mineraloid like synthetic material specimens identified by the Rock Identifier community.
Petrified Wood (Agatized/Silicified Wood)
Silicified Wood (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Amber
Succinite (fossilized resin)
Amber
Succinite
Sea Glass
Amorphous Silica (SiO2) with various additives
Amber
Succinite
Amber
Succinite (specifically for Baltic amber); approximate formula C10H16O
Amber
Succinite
Amber
Succinite (a specific high-quality amber from the Baltic)
Moldavite
Silica glass with small amounts of aluminum, iron, and other elements
Coquina
Coquina Limestone (CaCO3)
Sandstone (Heart-shaped pebble)
Sedimentary Quartz Sandstone
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Bivalve Fossil (Internal Mold)
Class Bivalvia (Indeterminate genus)
Sandstone
Clastic Sedimentary Rock
Sandstone
Sandstone (SiO2 rich)
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone
Arenite
Chert (Flint)
Chert (SiO2)
Red Sandstone
Sandstone (Quartz Arenite with Iron Oxide)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Petrified Wood
Silicified Wood (SiO2)
Chert (Common Opal/Jasper mix)
Silicon Dioxide (SiO2) with impurities
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Hematite inclusions
Jasper
Silicon dioxide (SiO2)
Chert (Common Opal/Agatized Rock)
Microcrystalline Quartz (SiO2) with potential Chalcedony/Opaline silica
Poppy Jasper
Microcrystalline Quartz (SiO2) with hematite and other inclusions
Petrified Wood
Silicified Wood (primarily SiO2)
Conglomerate
Conglomeratic Sandstone
Siltstone
Siltstone (SiO2, Fe2O3, Al2O3 mix)
Sandstone
Arenite (SiO2 dominated sandstone)
Puddingstone
Conglomerate
Quartz Pebble with Mineral Inclusions
Silicon Dioxide (SiO2)
Quartz Vein in Siltstone
Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix
Milky Quartz
Quartz (Silicon Dioxide - SiO2)