Jasper (specifically Picture Jasper or Landscape Jasper)
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Category
Browse sedimentary (biogenic sediment or biological remain) specimens identified by the Rock Identifier community.
Jasper (specifically Picture Jasper or Landscape Jasper)
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Picture Jasper
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon dioxide (SiO2)
Septarian Nodule (Galt)
Calcareous concretion / Septarian concretion
Chert Breccia (Yellow Jasper)
Silicon Dioxide (SiO2) - Brecciated Chert
Jasper Beach Pebble
Silicon Dioxide (SiO2) - Macro-crystalline Quartz
Siltstone
Siltstone (primarily SiO2 with Al2O3 and Fe2O3)
Picture Jasper
Silicon Dioxide (SiO2) - Opaque Chert/Quartzite variety
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Limestone (specifically Dolomitic/Crystalline Limestone)
Sedimentary Carbonate Rock (CaCO3 / CaMg(CO3)2)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Pyrite
Iron Pyrite (FeS2)
Sulfur on Aragonite
Sulfur (S) and Aragonite (CaCO3)
Quartz (Milky/Cloudy Variety)
Silicon Dioxide (SiO2)
Green Jasper
Jasper (Silicon Dioxide, SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper with Iron Staining
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) impurities
Jasper
Jasper (SiO2 plus impurities)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide impurities (Hematite)
Petrified Wood
Silicified wood (SiO2 - Silicon Dioxide)
Red Jasper with Quartz Veining
Jasper (Silicon Dioxide, SiO2) with Quartz (SiO2) inclusions
Sandstone
Arenite
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions), SiO2 + Fe2O3
Jasper (Banded Argillite/Chert mix)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper with Manganese Dendrites
Silicon Dioxide (SiO2) with Oxide Mineral Inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Conglomerate
Conglomerate (Detrital sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Chert (or Flint)
Silicon dioxide (SiO2)
Coal (most likely Bituminous or Anthracite)
Coal (primarily composed of carbon with varying amounts of other elements)
Orthoceras Fossil in Limestone
Orthoceras regulare (Class Cephalopoda; Order Orthocerida)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Jasper (Quartzite conglomerate)
Silicon dioxide (SiO2) with Iron inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper (Cream/Yellow variety)
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2)