Agate with Druzy Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.
Agate with Druzy Quartz
Silicon Dioxide (SiO2)
Chert (with Quartz Vein)
Microcrystalline silica (SiO2)
Banded Chert (Agate)
Silicon Dioxide (SiO2)
Chert (containing Quartz)
Microcrystalline Silica (SiO2)
Chert Pebble
Microcrystalline silica (SiO2)
Chert (varieties: Flint or Chalcedony)
Microcrystalline silica (SiO2)
Chert (Jasper/Quartzite variety)
Microcrystalline Silica (SiO2)
Banded Chert (with Quartz Vein)
Microcrystalline Silica (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline silica (SiO2)
Chert (Flint)
Microcrystalline Silica (SiO2)
Chert (and/or Chalcedony)
Microcrystalline Silica (SiO2)
Chert / Flint
Microcrystalline Silica (SiO2)
Chert (Golden/Yellow Variety)
Microcrystalline Silica (SiO2)
Chert (with small quartz inclusion)
Microcrystalline Silica (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Silica (SiO2)
Chert (Basanite / Flint)
Microcrystalline silica (SiO2)
Chert Nodule (with Ironstone Cortex)
Microcrystalline Silica (SiO2)
Chert (Nodule)
Microcrystalline Silica (SiO2)
Chert (vuggy variety)
Microcrystalline silica (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline silica (SiO2)
Chert (Black Chert)
Microcrystalline Silica (SiO2)
Chert (and/or River Pebble)
Microcrystalline silica (SiO2)
Chert Nodule
Microcrystalline Silica (SiO2)
Chert / River Pebble
Microcrystalline Silica (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Red Jasper
Silicon Dioxide (SiO2) - variety Jasper
Chert (varieties include Flint and Mudstone)
Microcrystalline Silica (SiO2)
Chert (Pebble)
Microcrystalline silica (SiO2)
Chert / Flint
Silicon Dioxide (SiO2)
Agate / Banded Chalcedony
Agate (Silicon Dioxide / SiO2)
Carnelian Agate
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Silica (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Pebble (likely Quartz or Chert)
SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.
Chalcedony Nodule (Carnelian/Agate)
Chalcedony (Silicon Dioxide, SiO2)
Sandstone
Sandstone (clastic sedimentary rock)
Chert (Nodular)
Microcrystalline Silica (SiO2)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Gravel Bit)
Microcrystalline silica (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)