Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Category
Igneous, Metamorphic, Sedimentary
Browse igneous, metamorphic, sedimentary specimens identified by the Rock Identifier community.
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Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained or Chalcedony varieties)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
mineral
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (specifically Milky/White Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Smoky Crystal fragment)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz (Milky/Rose variety)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz (Tumbled/Water-worn)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz (Rosy/Clear variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Fossil shell fragment
Indeterminate molluscan bioclast, likely aragonite or calcite
fossil
Gneiss
Gneiss
metamorphic
Banded Gneiss Pebble
Banded Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss
metamorphic
Gneiss (specifically Granitic Gneiss)
Gneiss (composed primarily of Quartz, Feldspar, and Biotite/Amphibole)
metamorphic
Gneiss
High-grade foliated metamorphic rock
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Granite Gneiss
Gneiss (quartz-feldspar dominated)
metamorphic
Gneiss (specifically Banded Gneiss)
Gneiss
metamorphic
Granite Gneiss
Felsic Gneiss
metamorphic