Quartz (or Chalcedony) Specimen
Silicon Dioxide (SiO2)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Quartz (or Chalcedony) Specimen
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Carnelian Agate
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Chalcedony (Tumbled)
Silicon Dioxide (SiO2)
Quartz Druzy (on Geode Fragments)
Silicon Dioxide (SiO2)
Chalcedony (Agate/Carnelian)
Silicon Dioxide (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Garnet
Garnet group [X3Y2(SiO4)3]
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Grey Chalcedony (Agate)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Gray/Smoky Varieties)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chrysocolla (with Hematite/Iron Oxides)
Chrysocolla: (Cu, Al)2H2Si2O5(OH)4 · nH2O
Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
Quartz (Clear or Milky)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Titanium Quartz (Aura Quartz)
Silicon Dioxide (SiO2) treated with Titanium
Dalmatian Stone
Dalmatian Stone (a variety of aplite)
Fluorite
Calcium Fluoride (CaF2)
Hematite
Iron(III) oxide (Fe2O3)
Quartz
Silicon Dioxide (SiO2)
Quartz (Smoky Quartz / Chalcedony)
Silicon Dioxide (SiO2)
Porphyry
Porphyritic Basalt or Andesite
Porphyry
Porphyritic Igneous Rock (likely Porphyritic Andesite or Basalt)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz pebble
Quartz (Silicon dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)