Quartz Rock
Silicon Dioxide (SiO2)
mineral
Category
Synthetic Glass
Browse synthetic glass specimens identified by the Rock Identifier community.
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Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic sedimentary rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Microcline Feldspar
KAlSi3O8
mineral
Quartz / Quartzite
Silicon Dioxide (SiO2)
metamorphic
Sandstone
Arenite (SiO2 dominated sandstone)
sedimentary
Quartz (Quartzite / Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2) with Limonite/Goethite
mineral
Sandstone
Arenite
sedimentary
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
sedimentary
Orthoclase Feldspar (Granitic)
KAlSi3O8 (Potassium Feldspar)
igneous
Sandstone
Arenite (SiO2 primarily)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz/Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartz Vein Rock
Silicon Dioxide (SiO2)
mineral
Sandstone Pebble
Sandstone (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Sandstone (clastic sedimentary rock)
sedimentary
Quartzite Pebble
Quartzite (mostly SiO2)
metamorphic
Sandstone
Arenite (primarily SiO2 with various cementing agents)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Coarse Sand and River Gravel
Siliciclastic Sediment (primarily Quartz and Feldspar)
sedimentary
Orange Quartz
Silicon Dioxide (SiO2) with iron inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2 principal)
sedimentary
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz, SiO2)
sedimentary
Vuggy Quartz / Chert
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
sedimentary
Coarse Sand or Fine Gravel
Detrital Sedimentary Fragments (mostly SiO2)
sedimentary
Red Sandstone (with possible iron oxide staining)
Sandstone (primarily Quartz with Hematite/Goethite cement)
sedimentary
Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Sandstone with Iron Staining
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
sedimentary