Yellow Quartzite
Quartzite (SiO2)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Yellow Quartzite
Quartzite (SiO2)
Jasper
Silicon Dioxide (SiO2) - Impure Variety of Chert
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide staining/cementing)
Quartz (specifically Clear and Rose Quartz)
Silicon Dioxide (SiO2)
Rutilated Quartz (or Tourmalinated Quartz if inclusions are Tourmaline)
Silicon Dioxide (SiO2) with Rutile (TiO2) or Tourmaline inclusions
Opalite
Synthetic Opalised Glass
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Rutilated Quartz
SiO2 with TiO2 inclusions (Quartz with Rutile)
Quartzite (Orthoquartzite)
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (and Flint variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Goethite)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony
Chalcedony (SiO₂)
Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
Chert Nodule
Microcrystalline Quartz (SiO2)
Jasper
Silicon dioxide (SiO2)
Conglomerate (Puddingstone)
Conglomerate (specifically, clastic sedimentary rock)
Gneiss
Gneiss (a metamorphic rock)
Ferruginous Quartzite (Red Sandstone/Quartzite)
Quartzite with Iron inclusions (SiO2 + Fe2O3)
Green Quartzite (Aventurine variety)
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Gneiss (likely)
Gneiss
Tiger's Eye (Tumbled Blue/Black-Golden variety)
Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)
Chert (Flint variety)
Chert (Microcrystalline or Cryptocrystalline Quartz), SiO2
Chert
Silicon dioxide (SiO2)
Satin Spar
Fibrous Gypsum (CaSO4·2H2O)
Chert / Flint
Silicon Dioxide (SiO2)
Chert (Smooth River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Pink/Tan Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Arrowhead Artifact)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Red Jasper (beads)
Silicon Dioxide (SiO2) with iron inclusions
Fluorite with Quartz coating
Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)
Quartz Vein in Siltstone
SiO2 (Quartz) on clastic sedimentary matrix
Brown Jasper (Likely)
Jasper (Cryptocrystalline Silicon Dioxide - SiO2)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)