Milky Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary Rock (Possibly Conglomerate Or Breccia With A Quartz Vein)
Browse sedimentary rock (possibly conglomerate or breccia with a quartz vein) specimens identified by the Rock Identifier community.
Chert (specifically Flint or Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (primarily SiO2 with Fe2O3)
sedimentary
Chert (Common Opal/Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (specifically Tan/Gray Chert)
Microcrystalline quartz (SiO2)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Geode Nodules / Chalcedony Geode
Silicon Dioxide (SiO2) - Amorphous to Cryptocrystalline Quartz
sedimentary
Petrified Wood
Silicified Wood (SiO2)
metamorphic
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Quartzite with Quartz Veins
Quartzite (chiefly SiO2)
metamorphic
Clear Quartz
SiO2 (Silicon Dioxide)
mineral
Pegmatite
Coarse-grained Igneous Rock (Granitic Pegmatite)
igneous
Clear Quartz (or Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Flagstone (Sandstone)
Clastic Sedimentary Rock (composed of quartz and feldspar)
sedimentary
Basalt (with possible quartz veinsing)
Basalt
igneous
River Agate (Chert/Chalcedony)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
igneous
Milky Quartz/Clear Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Basalt with Quartz Veins
Vesicular or aphanitic Basalt with SiO2 (Quartz) intrusions
Igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Pyrite in Shale
Iron Sulfide (FeS2)
mineral
Massive Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite/Quartz Arenite
sedimentary
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Red Chert
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (Greywacke)
Arenite / Wacke (Mainly SiO2 with various lithic fragments)
sedimentary