Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Category
Mineral, Often Found In Sedimentary Deposits
Browse mineral, often found in sedimentary deposits specimens identified by the Rock Identifier community.
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Jasper
Silicon Dioxide (SiO2)
mineral
Tumbled Clear Quartz/Rock Crystal
Silicon Dioxide (SiO2)
mineral
Chalcedony (Common Opal variant or Agate)
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Agate / Chalcedony Geode
Silicon Dioxide (SiO2)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Citrine
Silicon Dioxide (Quartz variety), SiO2
mineral
Quartz Geode
Silicon Dioxide (SiO2) within a geode
mineral
Epidote (Unakite component) / Green Quartzite
Ca2(Al,Fe)3(SiO4)3(OH)
metamorphic
Chert (Chalcedony / Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Grey Chalcedony
Silicon Dioxide (SiO2)
mineral
Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Limonite (Iron Ore)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
sedimentary
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
sedimentary
Chalcopyrite
CuFeS2 (Copper Iron Sulfide)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Banded Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Fossil Shark Tooth (Cretaceous white shark type)
Squalicorax (commonly known as Crow Shark)
Organic specimen (fossil)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Banded Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Fossilized Shark Tooth
Chondrichthyes (class)
fossil
Limonite and Goethite (Ironstone)
Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)
sedimentary
Carnelian
Silicon Dioxide (Quartz variety), SiO2
mineral
Yellow Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
sedimentary
Sandstone
Sedimentary Clastic Rock (Quartz arenite)
sedimentary
Red Dyed Howlite
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Amethyst Geode
Silicon Dioxide (SiO2) with iron impurities
mineral
Chalcedony Pebble
Cryptocrystalline Quartz (SiO2)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Carnelian (Banded Agate)
Chalcedony (SiO2) with Iron Oxide inclusions
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Iron-Stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide impurities
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Limonite (Iron Ore)
FeO(OH)·nH2O
mineral
Milky Quartz
Silicon dioxide (SiO2)
mineral