Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Category
Sedimentary Rock (Technically A Microcrystalline Quartz Mineral Aggregate)
Browse sedimentary rock (technically a microcrystalline quartz mineral aggregate) specimens identified by the Rock Identifier community.
Gneiss
Foliated Metamorphic Rock (Gneiss)
metamorphic
Shale
Fissile mudstone (rich in clay minerals and quartz)
sedimentary
Ferruginous Sandstone (Gritstone)
Arenite with Iron-Oxide Cement (SiO2 with Fe2O3 and FeO(OH))
sedimentary
Banded Chert with Quartz Veining
Microcrystalline Quartz (SiO2)
sedimentary
Orange Quartzite (Tumbled Beach Pebble)
Quartzite (primarily SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Basalt with Quartz Veins
Vesicular or aphanitic Basalt with SiO2 (Quartz) intrusions
Igneous
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Nodular Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Granite
Plutonic felsic rock (Quartz, Feldspar, Mica)
igneous
Limestone
Calcareous sedimentary rock (CaCO3)
sedimentary
Iron-stained Quartzite
Metamorphic Quartz (SiO2) with limonite/hematite staining
metamorphic
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Mookaite Jasper
Mookaite (variety of Chert/Jasper), Silicon Dioxide - SiO2
sedimentary
Conglomerate
Conglomerate (SiO2 matrix with various silicate clasts)
sedimentary
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Chert (often called Jasper in this color)
Microcrystalline quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Conglomerate (or Breccia)
Clastic Sedimentary Rock
sedimentary
River Rock (likely Quartzite or Chert)
Quartzite (primarily SiO2)
metamorphic
Dragon Blood Jasper
Epidote with Red Piedmontite (Chalcedony/Quartz variant)
sedimentary
Chert (specifically Gray/Tan Chert Node)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
mineral
Chert Pebble (Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Agate variety)
Microcrystalline quartz (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Chert (Chert Nodule in Limestone)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Grey River Stone (Quartz-rich Quartzite/Siltstone)
Quartzite / Meta-siltstone (primarily SiO2)
Metamorphic (low-grade)
Brecciated Chert
Brecciated Chert (Microcrystalline Quartz, SiO2)
sedimentary
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Sedimentary
River Stone (likely Mudstone or Siltstone)
Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)
sedimentary
Chert (specifically Flint or Common Opal/Chalcedony mix)
Microcrystalline Quartz (SiO2)
sedimentary
River Agate (Chert/Chalcedony)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (or Flint)
SiO2 (predominantly microcrystalline quartz)
Sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or iron oxide inclusions
sedimentary
Chert (Green variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary