Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary Or Mineral
Browse sedimentary or mineral specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Mineral in the encyclopedia
View all →
Chalcedony (Carnelian / Agate)
Silicon Dioxide (SiO2)
mineral
Polished Tumbled Stone (Dark Chalcedony / Jasper)
Silicon Dioxide (SiO2)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz Geode
Silicon Dioxide (SiO2) within a sedimentary/igneous host
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Ironstone Concretion
Ironstone (Limonite/Goethite/Hematite mixture)
sedimentary
Tumbled Agate
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Banded Agate (Tumbled)
Silicon Dioxide (SiO2)
sedimentary
Siltstone Concretion
Carbonate-cemented Siltstone Concretion
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Hematite
Iron (III) oxide (Fe2O3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Jasper (Green Jasper/Heliotrope variety)
Silicon Dioxide (SiO2)
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Carnelian Agate
Silicon Dioxide (SiO2)
mineral
Fluorite
Fluoride (Calcium Fluoride - CaF2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Fossilized Bone
Permineralized Vertebrate Fossil
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Geode (unopened nodule)
Silicon Dioxide (SiO2) Nodule
sedimentary
Chalcedony (Milky Agate/Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral