Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with impurities
Category
Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.
Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with impurities
Chert (with Quartz Vein)
Chert (Siliceous sedimentary rock, predominantly Microcrystalline Quartz SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
Fancy Jasper (Mookaite style)
Silicon Dioxide (SiO2) with iron oxide impurities
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Jasper
Jasper (Silicon Dioxide, SiO2)
Quartz (Microcrystalline/Chert)
Silicon Dioxide (SiO2)
Quartz (Microcrystalline variety)
Silicon Dioxide (SiO2)
Agate (Nodule/Chert)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (or Chalcedony)
Chert (Microcrystalline Quartz, SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Banded Chert (River Stone)
Silicon Dioxide (SiO2)
Yellow Jasper (Mookaite style)
Silicon Dioxide (SiO2) with Goethite/Hematite inclusions
Jasper
Jasper (Silicon Dioxide) - SiO2
Yellow Jasper (Iron-stained Quartzite/Chert)
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (Goehite/Limonite) inclusions
Chert (Field Stone)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
River Stone (Chert/Siltstone)
Cryptocrystalline Quartz (SiO2) with trace impurities
Chert (often called Flint when dark or worked)
Cryptocrystalline silica (SiO2)
Chert (Tan/Grey)
Chert (Silicon Dioxide, SiO2)
River Pebble (Brecciated Chert/Siltstone)
Silicon Dioxide (SiO2) with mineral inclusions
Chert / Greenstone
Silicon Dioxide (SiO2) with impurities
Shiva Lingam
Cryptocrystalline Quartz (Jasproid/Jasper)
Ironstone Concretion (Boji Stone/Moqui Marble type)
Goethite/Hematite-encrusted Sandstone Concretion
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Dragon Stone
Argillaceous Sedimentary Rock (Ohko Stone)
Banded Iron Formation (Jaspilite)
Banded Iron Formation (BIF); predominantly Hematite (Fe2O3) and Magnetite (Fe3O4) with Chert/Jasper (SiO2)
Chert Pebble (with Quartz Vein)
Chert (Cryptocrystalline Silica - SiO2)
Banded Chert / Flint
Silicon dioxide (SiO2)
Chert (Tan/Brown)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Picture Jasper
Tectonically broken chalcedony (SiO2)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Anthracite Coal
Anthracite (Carbon-rich Sedimentary Rock)
Chert (Flint)
Silicon Dioxide (SiO2)
Ironstone Concretion
Siderite or Ferruginous Concretion (FeCO3 or Iron Oxides)