Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse igneous or sedimentary specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Point
Silicon Dioxide (SiO2)
Banded Agate
Chalcedony (Silicon Dioxide, SiO2)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Calcite
Calcite (Calcium Carbonate, CaCO3)
Milky Quartz/White Quartz
Silicon Dioxide (SiO2)
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine
SiO2 (Silicon Dioxide)
Specular Hematite
Hematite (Fe2O3)
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
Pyrite and Quartz Agglomerate
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Magnetite
Iron(II,III) oxide (Fe3O4)
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Dalmatian Stone
Dalmatian Stone (a variety of aplite)
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
Dalmatian Jasper
Peralkaline rhyolite
Quartz Geode
Silicon Dioxide (SiO2) within a sedimentary or igneous host
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Disulfide (FeS2)
Conglomerate with Quartz Inclusions
Conglomerate (clastic sedimentary rock) with internal Quartz (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz fragment
Quartz (silicon dioxide, SiO₂), likely milky or smoky quartz
Dalmation Stone (Dalmation Jasper)
Peralkaline Rock with Feldspar and Arfvedsonite
Dyed Dalmatian Stone
Aplite (Alkali-feldspar granite) with Arfvedsonite
Quartz
SiO2
Quartz
Silicon Dioxide (SiO2)
Quartz crystals on matrix
Silicon dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
White Quartz
Quartz (Silicon Dioxide, SiO2)