Pyrite
Iron Sulfide (FeS2)
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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Red Sandstone (Iron-rich)
Ferruginous Sandstone (SiO2 with Iron Oxides)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Chert (Jasper/Flint variant)
Microcrystalline Quartz (SiO2)
sedimentary
Hematite
Hematite (Fe2O3)
mineral
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Mineral Sand (Heavy Mineral Sand Concentrate)
Placer deposit concentrate containing minerals such as ilmenite, rutile, zircon, and magnetite
mineral
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon dioxide (SiO2)
mineral
Amethyst Geode
Silicon Dioxide (SiO2) with iron impurities
mineral
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Banded Agate
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
mineral
Jasper
Microcrystalline quartz (SiO2)
sedimentary
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Quartz / Agate Nodule
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Red Dyed Howlite
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Pyrite (Pseudomorph)
Iron Sulfide (FeS2)
mineral
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Celestite
Celestine (SrSO4)
mineral
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Jasper
Silicon Dioxide (SiO2), Microcrystalline Quartz
sedimentary
Carnelian Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Selenite (Satin Spar)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
mineral
Sandstone (Quartzose)
Arenite (SiO2 based)
sedimentary
Limonite (Ironstone)
Goethite/Limonite (Hydrated iron(III) oxide-hydroxide)
mineral
Banded Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Carnelian
Silicon Dioxide (Quartz variety), SiO2
mineral
Howlite
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
fossil
Yellow Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral