Red Jasper
Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)
Jasper with Agate and Quartz Inclusions
Silicon Dioxide (SiO2) - Chalcedony / Quartz aggregate
Jasper (Red and Tan Jasper)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
Chert / Microcrystalline Quartz
Silicon Dioxide (SiO2)
Yellow Jasper / Chalcedony
Silicon Dioxide (SiO2) with iron inclusions
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Picture Jasper
Silicon Dioxide (SiO2) with impurities
Quartzite with Sandstone/Iron staining
Metamorphic Quartzite (SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Jasper)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert / Jasper
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert
Chert (microcrystalline quartz, SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (with Quartz Vein)
Microcrystalline silica (SiO2)
Yellow Jasper (Chert)
Silicon Dioxide (SiO2) with iron inclusions
Jasper (Red/Brown Variety)
Jasper (Silicon Dioxide, SiO2 plus Iron Oxide impurities)
Milky Quartz in Conglomerate Matrix
Silicon Dioxide (SiO2) within Clastic Sedimentary Rock
Chert (and Flint variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Coarse Sand or Fine Gravel
Detrital Sedimentary Fragments (mostly SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (and Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint in dark varieties)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Field Stone/Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Gray Chert/Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Quartz (Microcrystalline/Gravel)
Silicon Dioxide (SiO2)
Lake Superior Agate
Chalcedony (Microcrystalline Quartz, SiO2)
Chert (Field Stone)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
Chert (Chert Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Gravel pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline or cryptocrystalline Quartz (SiO2)