Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Chemically Precipitated Mineral)
Browse sedimentary (chemically precipitated mineral) specimens identified by the Rock Identifier community.
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Quartz
Silicon dioxide (SiO2)
mineral
Opal
Hydrated amorphous silica (SiO2·nH2O)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Milky quartz vein fragment
Quartz (silicon dioxide, SiO₂), massive/microcrystalline variety
mineral
Tumbled Carnelian
Silicon Dioxide (Variety of Chalcedony), SiO2
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Malachite
Malachite - Cu2CO3(OH)2
mineral
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
mineral
Kaolinite (China Clay)
Kaolinite (Al2Si2O5(OH)4)
sedimentary
Chalcedony Nodule / Agate
Silicon Dioxide (SiO2)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Raw Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Hematite (Iron(III) oxide, Fe2O3)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Carnelian
Carnelian (SiO2 with iron oxide impurities)
mineral
Celestine (or Celestite)
Strontium sulfate (SrSO4)
mineral
Celestine (Celestite)
Strontium Sulfate (SrSO4)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Sedimentary
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Botryoidal Hematite (Kidney Ore)
Hematite (Fe2O3)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Crystal Cluster on Matrix
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
sedimentary
Mookaite Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2)
mineral
Sparkling Druzy Quartz on Matrix
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Jasper (Banded Jasper / Chert)
Silicon Dioxide (SiO2 with iron oxide inclusions)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Chalcedony (Chert/Flint)
Silicon Dioxide (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Geode (partially filled/solid)
Silicon Dioxide (SiO2)
sedimentary
Geode (unopened)
Calcedony-lined Geode (SiO2)
sedimentary
Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral