Dyed Agate
SiO2 (Silicon Dioxide) - Chalcedony variety
Category
Browse quartz specimens identified by the Rock Identifier community.
Dyed Agate
SiO2 (Silicon Dioxide) - Chalcedony variety
Quartzite Cobble
Metamorphic Quartzite (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)
Pink Quartzite
Quartzite (SiO2 with iron oxide inclusions)
Quartzite Cobble / Quartzite Pebble
Quartzite (SiO2)
Quartz Chip
Silicon Dioxide (SiO2)
Quartz (Common Quartz Pebble)
Silicon Dioxide (SiO2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Ocean Jasper
Orbicular Jasper / Silicate
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
Smoky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milk Quartz (White) and Yellow Aventurine (Yellow)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Pink Quartz (likely dyed)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Greywacke with Quartz Veins
Lithic Wacke (SiO2 enriched)
Tiger Iron
Banded Iron Formation (BIF)
Quartzite Pebble
Quartzite (predominantly Silicon Dioxide - SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Strawberry Quartz (Quartz with Hematite inclusions)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
Milky Quartz or Calcite Pebble
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
Sand and Gravel (Quartz-rich)
Unconsolidated fluvial/beach sediment (primarily Silica/SiO2)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Chert / Jasper
Silicon Dioxide (SiO2)
Dyed Crackle Quartz/Agate (resembling Watermelon Tourmaline)
SiO2 (Silicon Dioxide)
Granite
Granite (Felsic Plutonic Rock)
Dendritic Quartz Pebble
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Granite Pebble
Granite (Phaneritic Igneous Rock)