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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Pyrite (likely)
Pyrite, FeS₂
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Limonite (Ironstone)
Limonite (FeO(OH)·nH2O)
sedimentary
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Celestite
Celestine (SrSO4)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Yellow Jasper
SiO2
mineral
Jasper
Silicon dioxide (SiO2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Chalcedony (Agate/Carnelian pebbles)
Cryptocrystalline Quartz (SiO2)
mineral
Yellow Jasper / Chalcedony
Silicon Dioxide (SiO2) with iron inclusions
mineral
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
mineral
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Fossilized Echinoid
Echinoidea
fossil
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Limonite/Goethite Iron Concretion
Hydrated iron oxide-hydroxide mixture (FeO(OH)·nH2O)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Blue Celestite
Celestine (Strontium Sulfate, SrSO4)
mineral
Pyrite in Quartz
Iron Disulfide (FeS2) in Silicon Dioxide (SiO2)
mineral
Howlite
Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)
mineral
Limonite/Ironstone
Limonite (FeO(OH)·nH2O)
mineral
Red Jasper
Microcrystalline quartz (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
mineral
Yellow Ochre (Limonite)
Limonite (FeO(OH)qnH2O)
sedimentary
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Baryte with Hematite
BaSO4
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Oyster Shell Fragment
Crassostrea virginica (or related Bivalvia)
fossil
Hematite
Hematite (Fe2O3)
mineral
Jasper
Microcrystalline quartz (SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Hematite
Hematite (Fe2O3)
mineral