Chert (vuggy variety)
Microcrystalline silica (SiO2)
sedimentary
Category
Sedimentary (Chemically Precipitated Mineral)
Browse sedimentary (chemically precipitated mineral) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Chemically Precipitated Mineral) in the encyclopedia
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Green Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Botryoidal Chalcedony (Desert Rose / Grape Agate variant)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Basalt with Quartz Vein
Aphanitic Mafic Igneous Rock with Silicon Dioxide (SiO2) intrusion
igneous
Jasper (with orbicular/unakitoid tendencies)
Silicon Dioxide (SiO2) with iron and epidote inclusions
sedimentary (chemically precipitated) or metamorphic
Pyrite (likely)
Iron disulfide, FeS₂; commonly called fool’s gold
mineral
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Veined Pebble (Quartz/Calcite Veined Metamorphic/Sedimentary Rock)
Quartz / Calcite Veined Fault Breccia or Metamorphic Pebble
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Amber with dark mineral/organic inclusions
Fossilized plant resin (amber; chiefly polymerized diterpenoid resin)
gemstone
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Wood Stone (Dragon Stone variant)
Argillaceous Sedimentary Rock
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Bauxite
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral
Chert Breccia
Microcrystalline Quartz (SiO2) Breccia
sedimentary
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite with Vesicular Matrix
Iron Disulfide (FeS2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz (Carved Star)
Silicon Dioxide (SiO2)
mineral
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Druzy Quartz Geode (with Chalcedony)
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Silicon dioxide (SiO2) with iron oxide impurities
mineral
Carnelian
Carnelian (SiO2 variant)
mineral
Chalcedony (Common Opal variant or Chert/Flint)
Silicon Dioxide (SiO2)
mineral
Celestite
Celestine (Strontium Sulfate, SrSO4)
mineral
Blue calcite (probable)
Calcite, calcium carbonate (CaCO₃)
mineral
Quartz Geode / Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Chalcedony Geode / Quartz Druzy
Silicon Dioxide (SiO2)
mineral