Red Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Category
Sedimentary (Microcrystalline Quartz)
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Microcrystalline Quartz) in the encyclopedia
View all →
Quartzite Pebbler
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble (with Iron Inclusions)
Quartzite (primarily SiO2 with Fe2O3/FeOOH impurities)
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Quartz
SiO2 (Silicon Dioxide)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz with Iron Stains
Quartz (SiO2) with iron oxide/hydroxide staining
Mineral
Red Jasper
Silicon Dioxide (SiO₂)
Sedimentary Rock (Cryptocrystalline Quartz)
Green Quartzite (Aventurine-like)
Quartzite (primarily SiO2 with chromium-rich mica or chlorite inclusions)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Milky Quartz
Quartz (SiO2)
mineral
Yellow Quartzite (Tumbled)
Quartzite (SiO2)
metamorphic
Orange Quartzite (or Aventurine Quartz)
Quartzite (primarily SiO2 with Hematite or Goethite inclusions)
metamorphic
Quartzite
Quartzite (Mainly SiO2)
metamorphic
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Quartz in Limonite-rich Matrix
Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O
Mineral in Sedimentary/Secondary host
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble (with Iron Staining)
Quartzite (SiO2)
metamorphic
Blue Quartzite
Quartzite (primarily SiO2 with inclusions like Dumortierite or Magnesio-riebeckite)
metamorphic
Quartzite (Ferruginous)
SiO2 (Metamorphosed Sandstone)
metamorphic
Quartzite
Quartzite (composed mainly of SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Agate
Silicon Dioxide (SiO2) - Chalcedony variant
mineral
Jasper-bearing Quartzite River Cobble
Tectonized Quartzite with Iron-Oxide (Hematite/Limonite) Veining
metamorphic
Blue Lace Agate (often dyed)
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Orange Quartzite
Metamorphic Quartzite (primarily SiO2)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Que Sera Stone (Llanite)
Rhyolite containing blue quartz and feldspar
igneous
Yellow Quartzite (River Pebble)
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Banded Agate (Polished Slice)
Chalcedony (cryptocrystalline Quartz), SiO2
mineral
Quartzite (Sugar Quartz)
Quartzite (primarily SiO2)
metamorphic
Green Quartzite (Aventurine variety)
Silicon Dioxide (SiO2) with inclusions of Fuchsite
metamorphic
Jasper, possibly Brecciated Jasper or Ocean Jasper due to patterns and color
Silicon Dioxide (SiO2), a variety of Chalcedony
Sedimentary Rock