Gold Nugget
Native Gold (Au)
Category
Browse metamorphic, likely sedimentary with quartz veins specimens identified by the Rock Identifier community.
Gold Nugget
Native Gold (Au)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (likely Calcareous or Quartz-rich)
Arenite (SiO2 based typically)
Quartz (River Pebble)
Quartz (SiO₂ - Silicon Dioxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rough Quartz (Milky Quartz Pebbles)
Silicon Dioxide (SiO2)
Pink Stained Rock (Likely Quartzite or Sandstone with Iron Oxide Staining)
Quartzite (metamorphic) or Sandstone (sedimentary); coloration likely due to hematite or other iron oxides.
Quartz (Milky or Iron-Stained)
Silicon Dioxide (SiO2)
Greenstone with Quartz Veining
Epidiorite or Metabasalt with SiO2 (Quartz) veins
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Chert (Heart-shaped Pebble)
Cryptocrystalline quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Sandstone (clastic sedimentary rock, primarily SiO2)
Gold Nugget
Native Gold (Au)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz River Cobble
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Chert (Common Opal/Agate inclusion)
Microcrystalline Quartz (SiO2)
Quartz
Quartz (SiO₂)
Chert (and Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Muscovite Mica (likely on Quartz/Feldspar)
Muscovite - KAl2(AlSi3O10)(OH)2
Gold-bearing Quartz
Auriferous Quartz (SiO2 with Native Gold inclusion)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphic Quartz (SiO2)
Green Quartzite
Quartzite (primarily SiO2 with chlorite inclusions)
Pink Granite with Quartz Vein
Phaneritic Plutonic Felsic Rock (K-feldspar + Quartz + Plagioclase + Mica)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Wishing Stone with Quartz Vein
Hydrothermal Quartz Vein in Metasedimentary Matrix (primarily SiO2)
Chert (Common Variety)
Cryptocrystalline Quartz (SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Schist
Mica Schist
Milky Quartz Cobble
Silicon Dioxide (SiO2)
Chert (often called Jasper or River Siltstone)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Limonitic Chert)
Microcrystalline Quartz (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartzite (specifically an iron-stained or Carnelian-colored variety)
Silicon Dioxide (SiO2) with iron oxide inclusions
Citrine
Silicon Dioxide (SiO2)