Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Community gallery
All rocks & minerals
Every specimen the Rock Identifier community has discovered, from desert agates to deep-sea basalts.
Diorite
Diorite (Intermediate Plutonic Rock)
igneous
Granite River Stone
Phaneritic Felsic Igneous Rock
igneous
Chert (variations include Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Banded Chert
Silicon Dioxide (SiO2)
sedimentary
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Granite Pebble
Granite (Felsic Plutonic Rock)
igneous
Granite Cobble
Phaneritic Felsic Igneous Rock
igneous
Granitic Gneiss
Gneiss (Complex silicate composition)
metamorphic
Gneiss (River Cobble)
Metamorphic Gneiss
metamorphic
Granite
Granite (Mainly SiO2 and Al2O3)
igneous
River Rock (Gneiss/Schist mix)
Foliated Metamorphic Rock (Gneiss)
metamorphic
Vesicular Basalt
Basalt with vesicular texture
igneous
Chert Pebble
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert (Jasper variation)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert / Chalcedony Nodules
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Quartzite
Metamorphic Quartzite (primarily SiO2)
metamorphic
Gold Quartz (Auriferous Quartz)
Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Vesicular Basalt
Vesicular Basalt
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Fossiliferous Limestone (Coquina-like)
Biogenic Limestone
sedimentary
Siltstone with Iron Staining
Siltstone (primarily SiO2 with Fe2O3 staining)
sedimentary
Basalt with Iron Oxidation
Extrusive mafic volcanic rock
igneous
Granite River Cobble
Phaneritic Felsic Igneous Rock
igneous
Quartzite River Rock
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite River Rock (with iron staining)
Metamorphosed Sandstone (SiO2)
metamorphic
Gneiss (Metamorphic Pebble)
Gneissic Metamorphic Rock
metamorphic
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Granitoid (River Pebble)
Granite (primarily Quartz, Feldspar, and Mica)
igneous
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite (River Pebble)
Metamorphic Quartzite (SiO2)
metamorphic
River Rock (Quartzite/Chert)
Quartzite (primarily SiO2)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (mostly SiO2)
metamorphic