Orange Calcite
Calcium Carbonate (CaCO3)
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 (partially filled/solid)
Silicon Dioxide (SiO2)
sedimentary
Druzy Quartz (part of a Geode)
Silicon Dioxide (SiO2)
mineral
Chert (Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Geode (unopened)
Calcedony-lined Geode (SiO2)
sedimentary
Agate (or Chalcedony)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartzite Cobble
Quartzite (principally SiO2)
metamorphic
Quartzite with Iron Mineral Banding
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) staining
metamorphic
Red Quartzite
Quartzite (Metamorphic quartz sandstone)
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
mineral
Sandstone (with Iron Oxide)
Quartz Arenite / Ferruginous Sandstone (SiO2 with Fe2O3)
sedimentary
Blue Apatite
Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Green Agate
Cryptocrystalline Quartz (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2) within a sedimentary or igneous host
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Quartz Pebble (with Feldspar/Mica)
Granitic Quartz / SiO2 with KAlSi3O8
igneous
Chert (specifically Gray/Banded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
White Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)
mineral
Quartz-veined Sandstone Pebble
Quartzite-veined Arenite
sedimentary
Quartzite / Sandstone
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Slate
Phyllo-silicate based metamorphic rock
metamorphic
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Grey-Green Flint)
Microcrystalline silicon dioxide (SiO2)
sedimentary
Limonite (Ironstone Concretion)
Limonite (Hydrated iron(III) oxide-hydroxide, mixtures of FeO(OH)·nH2O)
sedimentary
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)
metamorphic
Quartzite Pebble
Quartzite (principally SiO2)
metamorphic
Quartzite pebble
Quartzite (SiO2)
metamorphic
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Tumbled Jasper
Silicon dioxide with impurities (Microcrystalline Quartz, SiO2)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Quartz Vein in Sandstone
Quartz (SiO2) in Clastic Sedimentary Rock
sedimentary
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
metamorphic
Oolite (Ooid)
Oolitic Limestone (chiefly CaCO3)
sedimentary
Goldstone (Red)
Aventurine Glass
Man-made material (Simulated Mineral)
Chert (Yellow Jasper variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert nodules in Limestone
Microcrystalline Quartz (SiO2) in Calcium Carbonate (CaCO3) matrix
sedimentary
Limestone (with Chert)
Calcium Carbonate (CaCO3) / Microcrystalline Quartz (SiO2)
sedimentary
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
sedimentary