Banded Agate (specifically Botswana Agate appearance)
Silicon Dioxide (SiO2)
Category
Browse mineral; variety of quartz specimens identified by the Rock Identifier community.
Banded Agate (specifically Botswana Agate appearance)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
Smoky Quartz with Amethyst
Silicon Dioxide (SiO2)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Rose Quartz
Silicon Dioxide (SiO2)
Chevron Amethyst
Silicon Dioxide (SiO2) with trace Iron (Fe4+)
Rose Quartz Sphere
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Conglomerate
Conglomerative Sedimentary Rock
Quartz (Milky or Smoky Quartz)
Quartz (Silicon Dioxide, SiO2)
Almandine Garnet (weathered)
Almandine (Fe3Al2(SiO4)3)
Jasper
Jasper (Silicon Dioxide, SiO2)
Granite
Granite (silica-rich intrusive igneous rock)
Granite
Intrusive igneous felsic rock
Granite
Granite (composed mainly of Quartz, Feldspar, and Mica)
Granite
Granite (comprised primarily of Quartz (SiO2), Feldspar (KAlSi3O8), and Mica (KAl2(AlSi3O10)(OH)2))
Granite
Phaneritic plutonic rock (Felsic)
Agate
Silicon dioxide (SiO2) - variety Chalcedony
Banded Agate (specifically Carnelian Agate)
Silicon dioxide (SiO2) - Chalcedony variety
Cinnabar in Quartz
Silicon Dioxide (SiO2) with Mercury Sulfide (HgS) inclusions
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Granite (weathered/river-tumbled)
Granite (Plutonic Igneous Rock)
Jasper
Jasper (Silicon Dioxide, SiO2)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
White Topaz
Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)
Slate with Quartz
Low-grade Metamorphic Slate with SiO2 inclusions
Tektite (Indochinite)
Tektite (Natural Glass, SiO2 + Al2O3)
Amazonite
Amazonstone (KAlSi3O8)
Diorite
Diorite (an intrusive igneous rock)
Jasper
Jasper (Silicate mineral, SiO2)
Sandstone
Arenite (SiO2 primarily)
Blue Aventurine
Quartzite with inclusions of Dumortierite (SiO2 + Al7(BO3)(SiO4)3O3)
Iron-stained Quartz (with Limonite/Hematite)
Silicon Dioxide (SiO2) with Iron Oxide inclusions (FeO(OH) or Fe2O3)
Orthoclase Feldspar (Salmon variety)
Orthoclase, KAlSi3O8
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (Quartz Vein)
Silicon Dioxide (SiO2)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)