Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary rock (technically a microcrystalline quartz mineral aggregate) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Druzy on Matrix (likely Agate or Jasper)
Silicon Dioxide (SiO2) with various mineral inclusions
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Granite
Granite (Felsic Plutonic Rock)
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
Fossilized Wood (Petrified Wood)
Silicified Wood (primarily quartz/chalcedony replacing organic matter)
Brown Quartzite Pebble
Metadiagenetic Quartzite (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Zebra Jasper (Zebra Stone)
Silicon Dioxide (SiO2) with iron oxide and manganese inclusions
Pyrite Geode (Sparkling Druzy)
Iron Sulfide (FeS2) in Sedimentary Nodule
Agate
Agate (a cryptocrystalline variety of Quartz, SiO₂)
Dendritic Agate or Spotted Quartzite
Silicon Dioxide (SiO2) with inclusions
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (with Limonite staining)
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (specifically Jasper or Flint variant)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Red Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Lake Superior Agate variant)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (with Quartz veins)
Microcrystalline quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (specifically Red Chert/Jasper nodule)
Microcrystalline Quartz (SiO2)
Chert (Nodule/Common Chert)
Microcrystalline quartz (SiO2)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Chalky variety)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained or Jasperoid)
Microcrystalline Quartz (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Yellow Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Green Chert
Microcrystalline Quartz (SiO2)
Chert Pebble (Yellow/Brown Jasper variety)
Microcrystalline Quartz (SiO2)
Chert Nodule (Flint)
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)