Dalmatian Jasper
Peralkaline Quartz-Feldspar Igneous Rock
Category
Browse sedimentary rock (technically chert, a microcrystalline quartz) specimens identified by the Rock Identifier community.
Dalmatian Jasper
Peralkaline Quartz-Feldspar Igneous Rock
Chert with Limestone
Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3) Matrix
Chert (Septarian Nodules / Weathered Silex)
Microcrystalline Quartz (SiO2)
Chert with Jasper/Quartz Inclusions
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Oolitic Chert
Ooidal Microcrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (with Quartz veins)
Microcrystalline Quartz (SiO2)
Yellow Quartzite or Yellow Jasper
Quartzite (primarily SiO2 with Iron oxide staining)
Chert Pebble
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Yellow or River Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Banded Chert or Agate
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Banded Iron Formation (BIF) with Quartz
Banded Iron Formation, often composed of alternating layers of hematite (Fe2O3) or magnetite (Fe3O4) and chert (microcrystalline quartz, SiO2)
Chert (Jasper-like)
SiO2 (Cryptocrystalline Quartz)
Dragon Blood Jasper
Epidote and Pietersite-rich Quartz (SiO2 with inclusions)
Banded Chert
Chert (a microcrystalline variety of quartz, SiO2 with minor impurities)
Jasper Chert Nodules
Silicon Dioxide (SiO2) with Hematite impurities
Chert (concretionary/nodular variant)
Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Travertine
Calcium Carbonate (CaCO3)
Chert Nodules (Jasper)
Microcrystalline Quartz (SiO2)
Dalmatian Jasper
Peralkaline rhyolite
Bumblebee Jasper
Fossiliferous Calcite containing Orpiment and Realgar
Banded Chert (or Flint)
Microcrystalline Quartz (SiO2)
Dalmatian Stone
Dalmatian Jasper (Aplitic Perthite)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Chert (Limestone/Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert with Desert Varnish
Cryptocrystalline Quartz (SiO2) with Manganese/Iron oxide coating
Chert (specifically a fragment with Desert Varnish)
Microcrystalline quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide impurities
Chert (Arrowhead/Artifact Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Cryptocrystalline Quartz (SiO2)
Dalmation Stone (frequently called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock
Chert (Nodule)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (varieties include Flint and Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)