Petrified Wood
Silicified wood (Quartz, SiO2)
Category
Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.
Petrified Wood
Silicified wood (Quartz, SiO2)
Sandstone (Ferruginous)
Sandstone (Clastic sedimentary rock, predominantly SiO2 with Fe2O3 cement)
Sunstone (Feldspar)
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
Sandstone
Arenite (primarily SiO2)
Sunstone
Oligoclase or Andesine (Feldspar Group), (Ca,Na)((Al,Si)4O8)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sunstone
Oligoclase (a variety of Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)
Fossilized Megalodon Tooth Fragment
Otodus megalodon (Carcharocles megalodon fossil)
Arfvedsonite in Matrix
Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]
Pyrite
Iron Disulfide (FeS2)
Petrified Wood
Silicified Wood (SiO2)
Jasper Agate
Silicon dioxide (SiO2)
Sandstone (Quartzite Pebble)
Arenite (SiO2)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 dominated)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone (Stream-rounded Cobble)
Arenite (composed primarily of SiO2, Silica)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)
Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
Schist
Mica Schist
Diamond (or Diamond Simulant/Cubic Zirconia)
Carbon (C) - if diamond, or Zirconium dioxide (ZrO2) - if Cubic Zirconia
Quartz Pebble (with probable inclusions or staining)
Quartz (Silicon Dioxide - SiO2)
Chert (Jasper variety)
Chert (SiO2)
Vesicular Basalt (Amygdaloidal)
Vesicular Basalt (Fe-Mg rich extrusive volcanic rock)
Grey Jasper (Tumbled Quartz variant)
Jasper (Silicon Dioxide, SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
N/A - Image is non-geological
Acrylonitrile Butadiene Styrene (ABS) or Polypropylene (PP)
Rough Quartz (Alluvial Pebbles)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Jasper with Chert
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, SiO2)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone
Arenite/Quartz Arenite
Sandstone (with biological crust)
Arenite (SiO2 based)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2 with minor Fe2O3)
Sandstone
Arenite
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)