Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
Dalmatian Jasper
Dalmatian Stone (comprised of Feldspar, Quartz, and Arfvedsonite)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Tree Agate
Silicon Dioxide (SiO2) with Chlorite/Manganese inclusions
Red Jasper (with Quartz and Chert)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Jasper
Silicon dioxide (SiO2)
Chert / River Jasper
Silicon Dioxide (SiO2)
Banded Iron Formation / Jasper-Hematite Ore
Banded Iron Formation (BIF) containing Jasper (SiO2) and Hematite (Fe2O3)
Yellow Jasper
Silicon Dioxide (SiO2) with high iron inclusion
Petrified Wood (Agatized/Silicified Wood)
Silicified Wood (SiO2)
Jasper (likely Kambaba or Crocodile Jasper variety)
Silicon Dioxide (SiO2) with inclusions
Jasper
Silicon dioxide (SiO2)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Chert (Flint)
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon dioxide (SiO2)
Chert (Flint)
Chert (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Kambaba Jasper (Crocodile Jasper)
Rhyolite containing Fossilized Cyanobacteria (Stromatolite)
Chert
Cryptocrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2)
Dragon Blood Jasper
Epidote and Pietersite-rich Quartz (SiO2 with inclusions)
Jasper with Quartz Veins
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Orbicular Jasper (Eye Jasper / Kambaba-like pattern)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Trace Fossil (Lichenandites or Rhynie Chert Chert with Microfossils)
Trace fossil in microcrystalline quartz (SiO2)
Chert (Yellow Jasper)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Jasper with Chalcedony
Silicon Dioxide (SiO2)
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Feldsphathic Igneous Rock
Jasper
Jasper (SiO2 plus impurities)
Jasper (with Manganese or Iron inclusions)
Silicon Dioxide (SiO2)
Black Chert (Flint)
Silicon Dioxide (SiO2)
Chert (often called Jasper or River Siltstone)
Chert (SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
River Stone (Quartzite/Chert)
Metamorphosed Quartz-rich Sedimentary Rock
Jasper with Quartz inclusion
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2)
Quartzite (River Pebble)
Metamorphosed Sandstone (SiO2)
Brown Jasper / River Siltstone
Silicon Dioxide (SiO2) with iron oxide impurities