Aura Quartz / Rainbow Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Category
Sedimentary (Man Made Conglomerate)
Browse sedimentary (man made conglomerate) specimens identified by the Rock Identifier community.
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Diamond
Carbon (C)
mineral
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
mineral
Diamond (in a jewelry setting)
Carbon (C)
mineral
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Yellow Jasper/Flint)
Chert (Microcrystalline Silicon Dioxide, SiO2)
sedimentary
Pyrulite (Pyrite / Chalcopyrite)
Iron Sulfide (FeS2) or Copper Iron Sulfide (CuFeS2)
mineral
Tumbled pegmatitic granite
Coarse-grained granite/pegmatite, chiefly quartz, feldspar, and biotite or amphibole
igneous
Red Chert (Jasper)
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Sea Shell (Fighting Conch Fragment)
Calcium Carbonate (CaCO3) - Strombus alatus fragment
sedimentary (biogenic)
Quartz (Microcrystalline/Chert)
Silicon Dioxide (SiO2)
mineral
Chert
Microcrystalline quartz (SiO2)
sedimentary
Coal (Anthracite / Bituminous)
Organic Sedimentary Rock (Carbon-based)
sedimentary
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline quartz (SiO2)
sedimentary
Chert
Microcrystalline quartz (SiO2)
sedimentary
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Arrowhead Shard)
Microcrystalline silica (SiO2)
sedimentary
Chert
Microcrystalline Silicon Dioxide (SiO2)
sedimentary
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Flint (or Chert)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Silicon dioxide (SiO2)
sedimentary
Crinoid Fossil in Limestone
Crinoid columnal (Class Crinoidea) in biomicrite
fossil
Coquina Limestone
Coquina (Biogenic Limestone)
sedimentary
Flint (or Chert with cortex)
Silicon dioxide (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Coquina
Coquina (Biogenic Limestone / CaCO3)
sedimentary
Chert (with Desert Varnish/Iron Stain)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Coquina / Fossiliferous Limestone
Coquina (composed primarily of Calcium Carbonate / CaCO3)
sedimentary
Chert (River Siltstone/Quartzite type)
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Sedimentary cryptocrystalline quartz (SiO2)
sedimentary
Petrified Wood (Silicified Wood)
Silicified Paleoflora (mainly Quartz, SiO2)
metamorphic
Sandstone (likely Fossiliferous)
Arenite / Fossiliferous Sandstone (SiO2 composition)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary