Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary (or mineraloid)
Category
Sedimentary (Microcrystalline Quartz)
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
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Red Jasper
Opaque microcrystalline quartz (SiO2) with iron inclusions
sedimentary
Jasper Chert
Microcrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Chert (or Fossiliferous Limestone)
Microcrystalline Quartz (SiO2) / Calcium Carbonate (CaCO3)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Banded Chert (or River Jasper)
Microcrystalline Quartz (SiO2) with iron oxide impurities
sedimentary
Siltstone
Siltstone (primarily composed of microcrystalline Quartz and Feldspar)
sedimentary
Chert (Jasper/Jasperoid)
Chert (chemically precipitated microcrystalline Quartz, SiO2)
sedimentary
Chert (White Chert/Flint)
Chert (Cryptocrystalline Silica or Microcrystalline Quartz, SiO2)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2) with Iron Oxide impurities
sedimentary
Chert (and its variety Flint)
Silicon Dioxide (SiO2) - Microcrystalline or cryptocrystalline Quartz
sedimentary
Chert with Crinoid Fossil Impression
Microcrystalline Quartz (SiO2) with Crinoidea fossil impression
sedimentary
Crinoid Fossil in Chert
Crinoid (Class Crinoidea) in Microcrystalline Quartz (SiO2)
sedimentary
Puddingstone
Polymictic Conglomerate
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Petrified Wood
Silicified Wood (SiO2)
metamorphic
Jasper (Iron-rich Microcrystalline Quartz)
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Brecciated Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Jasper
Jasper (Cryptocrystalline Quartz; SiO2)
sedimentary
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
mineral
Red Jasper (Plum or Brick variety)
Silicon Dioxide (SiO2) with iron oxide inclusions (Hematite)
sedimentary (chemical/biological origin)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Zebra Jasper
Silicon dioxide (SiO2) with various impurities
Sedimentary
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Petrified Wood
Fossilized wood / Silicified wood
Sedimentary / Fossil
Banded Chert (Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Bumblebee Jasper
Calcite-bearing Volcanic Tuff containing Orpiment (As2S3) and Realgar (As4S4)
sedimentary
Zebra Jasper
Jasper (variety of Quartz/Chalcedony), SiO2
sedimentary
Yellow Quartzite (Onyx Pebble)
Silicon Dioxide (SiO2) - Quartzite
metamorphic
Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
sedimentary
Chert (Tan/Grey)
Chert (Silicon Dioxide, SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
sedimentary
Chert (Iron-rich)
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
sedimentary
Snakeskin Agate
Agate (Cryptocrystalline Quartz, SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
sedimentary
Jasper (brecciated or orbicular variety)
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary/mineral
Chalcedony (specifically Agate and Carnelian variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Dyed Pink Agate Slice
Cryptocrystalline variety of Quartz (SiO2)
mineral
Agate Slices and Clear Quartz Points
Agate (SiO2 Chalcedony) and Clear Quartz (SiO2 Crystalline)
mineral