Pyrite in Shale
Iron Disulfide (FeS2)
Category
Browse metamorphic, likely sedimentary with quartz veins specimens identified by the Rock Identifier community.
Pyrite in Shale
Iron Disulfide (FeS2)
Quartzite
Quartzite (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Quartz (SiO2) in Mafic or Sedimentary Matrix
Quartz
Silicon Dioxide (SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO₂)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Gneiss (specifically a weathered or stream-worn specimen)
Gneiss (Foliated Metamorphic Rock)
Clear Quartz (or Rock Crystal)
Quartz (SiO₂)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
Quartz (Tumbled/Polished Pebble)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
Quartz (Milky or Iron-Stained)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within a metamorphic matrix
Clear Quartz
Silicon Dioxide (SiO2)
Prasiolite and Quartz Crystal Cluster
Quartz (SiO2); Prasiolite is a variety of Quartz
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Massive Quartz with Host Rock
Silicon Dioxide (SiO2)
Gold Mineral
Native Gold (Au)
Unidentifiable Specimen
Undetermined
Quartzite Pebbler
Quartzite (primarily SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Grain/Fragment)
Silicon Dioxide (SiO2)
Milky Quartz with Chlorite/Epidote inclusions
Silicon Dioxide (SiO2) with phyllosilicate/sorosilicate inclusions
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Kyanite in Quartz
Al2SiO5 in SiO2
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
Rough Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)