Fluorite
Calcium Fluoride (CaF2)
mineral
Category
Sedimentary (Chemically Precipitated) Or Metamorphic
Browse sedimentary (chemically precipitated) or metamorphic specimens identified by the Rock Identifier community.
Learn about Sedimentary (Chemically Precipitated) Or Metamorphic in the encyclopedia
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Quartz Geode
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Common Opal
Hydrated Amorphous Silica (SiO2·nH2O)
mineraloid
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Pink Chalcedony
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Chert)
Microcrystalline Quartz (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Veined Sandstone with Calcite Veins
Sedimentary sandstone with hydrothermal/mineral veins
sedimentary
Chert (Jasper variation)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Chert/Flint Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper
Silicon Dioxide with Iron Oxide (SiO2)
sedimentary
Raw Garnet Fragment
Nesosilicate Group (e.g., Almandine, Fe3Al2(SiO4)3)
mineral
Chert (Flint Nodules)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Ironstone Pebble
Sedimentary ironstone / Hematitic Sandstone
sedimentary
Quartzite
Quartzite (Metamorphosed Sandstone)
metamorphic
Quartzite Pebble
Quartzite
metamorphic
Quartzite
Quartzite (Metamorphosed Quartz Sandstone)
metamorphic
Quartzite
Metamorphosed Quartz Sandstone
metamorphic
Red Quartzite
Quartzite (SiO2)
metamorphic
Quartzite Pebble (or Quartz Pebble)
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (mostly SiO2)
metamorphic
Yellow Quartzite (Yellow Jasper)
Silicon Dioxide (SiO2)
metamorphic
Chert (or Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz-veined Basalt or Limestone Pebble
Quartz vein in host rock (Silicate mineral in carbonate or volcanic matrix)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclasts
sedimentary
Flint / Chert
Microcrystalline quartz (SiO2)
sedimentary
Yellow Calcite (Polished Pebble)
Calcium Carbonate (CaCO3)
mineral
Chert
Microcrystalline Silicon Dioxide (SiO2)
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral