Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Category
Mineral (Silicate Replaced Organic Material)
Browse mineral (silicate replaced organic material) specimens identified by the Rock Identifier community.
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Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Zebra Jasper
Opaque microcrystalline Quartz (SiO2) with impurities
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Ferrosilicon Slag (Industrial Vitrified Glass)
Vitreous Silicate Residue
Antropogenic (Man-made industrial byproduct)
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint Nodules)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (varieties include Jasper or Flint)
Chert (Microcrystalline Silica, formula: SiO2)
sedimentary
Chert (Pebble)
Microcrystalline silica (SiO2)
sedimentary
Chert (White Flint)
Microcrystalline Quartz (SiO2)
sedimentary
River Jasper (Chert/Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Chert (SiO2)
sedimentary
Brachiopod Fossil in Limestone
Phylum Brachiopoda (likely Order Spiriferida), CaCO3 (Calcite)
sedimentary
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Green Adventurine
Quartz (SiO2) with Fuchsite inclusions
mineral
Tiger's Eye
Pseudomorph of quartz after crocidolite (SiO2)
metamorphic
Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Sodium Iron Aluminum Borosilicate)
mineral
Amber
Succinite (C10H16O)
mineraloid
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper-like Silicate)
Silicon Dioxide (SiO2)
sedimentary
Ocean Jasper
Orbicular Jasper / Silicate
Mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Jasper/Chalcedony)
Silicon dioxide (SiO2) - Microcrystalline quartz
sedimentary
Fossil Shark Tooth
Odontaspididae (Sand Tiger Shark family)
fossil
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert (Arrowhead/Projectile Point)
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper (possibly Petrified Wood)
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary (secondary formation)
Chert
Cryptocrystalline Quartz (SiO2)
sedimentary
Unakite
Epidotized Granite
metamorphic
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically Red Chert / Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (Commonly called Jasper or Flint)
Chert (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Greenstone
Metabasalt (Greenstone)
metamorphic
Fossil / Permineralized Bone
Tyrannosaurus rex fossil (Hydroxylapatite replaced by various minerals)
sedimentary