Carnelian / Chalcedony
Silicon Dioxide (SiO2)
mineral
Category
Organic (Sedimentary Associated)
Browse organic (sedimentary associated) specimens identified by the Rock Identifier community.
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Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Pyrite in Host Rock
Iron Disulfide (FeS2)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Kyanite (Blue Kyanite)
Kyanite (Al2SiO5)
mineral
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary
Zebra Jasper
Tektite variety of Silicon Dioxide (SiO2) with inclusions
sedimentary
Pyrite in Quartz
Iron Disulfide (FeS2) in Silicon Dioxide (SiO2)
mineral
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
mineral
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Gold Mineral
Native Gold (Au)
mineral
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chert (Siltstone-Chert mixture)
Microcrystalline Quartz (SiO2)
sedimentary
Gneiss (specifically Banded Gneiss)
Gneiss
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Fossiliferous Limestone
Bioclastic Limestone (CaCO3)
sedimentary
Pyrite
Pyrite (FeS2)
Mineral
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Red Jasper
Microcrystalline Quartz (Chalcedony), SiO2
sedimentary
Marble
Metamorphic carbonate rock (primarily recrystallized calcite, CaCO3)
metamorphic
Carnelian
Silicon Dioxide (Chalcedony variety), SiO2
mineral
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Galena
Lead(II) sulfide (PbS)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
metamorphic
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Emerald
Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium
mineral
Blue Kyanite in Quartz
Kyanite (Al2SiO5)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
Red Jasper (Chalcedony)
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary