Quartzite (Beach Pebble)
Quartzite (Composition: SiO2)
Category
Browse man made material (metal) specimens identified by the Rock Identifier community.
Quartzite (Beach Pebble)
Quartzite (Composition: SiO2)
Aqua Aura Quartz
Titanium/Gold-coated Silicon Dioxide (SiO2)
Chert
Chert (microcrystalline quartz)
Diamond
Carbon (C)
Chert
Microcrystalline Quartz (SiO2)
Banded Jasper / Chert Beach Pebble
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert / Flint
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Flint / Chert
Microcrystalline quartz (SiO2)
Brecciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Smoky Quartz
Smoky Quartz (SiO2)
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
Pearl
Calcium carbonate (CaCO3) - mainly Aragonite with Conchiolin
Diamond (in a jewelry setting)
Cubic Carbon (C)
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
Obsidian
Volcanic Glass (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
Diamond (in a metal ring setting)
Diamond (Pure Carbon, C)
Gold
Native Gold (Au)
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O) coatings
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
Red Cubic Zirconia (Simulated Garnet)
Zirconium Dioxide (ZrO2)
Sandstone
Clastic Sedimentary Rock
Dark gray rounded stone, possibly basalt or slag
Uncertain; likely fine-grained basalt (plagioclase–pyroxene) or iron-rich industrial slag
Chert
Microcrystalline quartz (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Quartzite
Quartzite (Metamorphosed Sandstone)
Quartzite
Metamorphic Quartz Rock (SiO2)
Quartzite
Metamorphic Quartz Arenite
Sandstone
Arenite
Flint
Silicon dioxide (Microcrystalline Quartz / Chert)
Chert (or Flint)
Microcrystalline quartz (SiO2)
Red Quartzite
Quartzite (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert Arrowhead (Jasper)
Chert (Cryptocrystalline Quartz, SiO2)
Diamond (faceted)
Diamond (Pure Carbon, C)
Pearl
Aragonite (CaCO3) with Conchiolin
Aragonite
Aragonite (Calcium Carbonate - CaCO3)
Granite
Phaneritic plutonic felsic rock