Jasper
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.
Jasper
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Jasper Beads
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Jasper Pebble
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Chert or Chalcedony
Microcrystalline Quartz (SiO2)
Grey Chalcedony (Tumbled Moon)
Microcrystalline Quartz (SiO2)
Chalcedony Nodule (Carnelian/Agate)
Chalcedony (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Brecciated Chert with Quartz Veining
Microcrystalline Quartz (SiO2) Breccia
Sandstone Grain
Clastic Sedimentary Rock Grain (SiO2 dominated)
White Agate / Chalcedony
Silicon Dioxide (SiO2)
Banded Chert / Agate Pebble
Silicon Dioxide (SiO2)
Red Jasper Pebble
Silicon dioxide (SiO2) with iron inclusions
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Silicon dioxide (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline quartz (SiO2)
Chert (Flint Gravel)
Microcrystalline Quartz (SiO2)
Chert (Pebble)
Microcrystalline Quartz (SiO2)
Green Jasper
Microcrystalline Quartz (SiO2)
Green Jasper
Microcrystalline Quartz (SiO2)
Chert (Field Stone)
Microcrystalline Quartz (SiO2)
Red Jasper Pebble
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Chert (often called Flint in archaeological contexts)
Microcrystalline or cryptocrystalline Silica (SiO2)
Flint (Chert variant)
Silica (SiO2) - Microcrystalline Quartz
Zebra Jasper
Tumbled Opaque Chalcedony (SiO2)
Quartz (Variety: Agate / Chalcedony)
Silicon Dioxide (SiO2)
Jasper (likely Iron-stained)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Jasper (Cryptocrystalline Quartz, SiO2)
Carnelian
SiO2 (Silicon Dioxide with Iron Oxide impurities)
Gastropod Fossil
Phylum Mollusca, Class Gastropoda
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Chrysocolla on Matrix
Hydrated copper silicates ((Cu,Al)2H2Si2O5(OH)4·nH2O)
Black Pebble (Basalt / Chert)
SiO2 (if Chert) or Mafic Igneous Rock (if Basalt)
Red Jasper
Silicon dioxide (SiO2) with iron inclusions
Geode
Quartz nodule / Chalcedony-lined cavity
Quartz Geode with Chalcedony
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions