Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic Rock (Variety Of Quartz)
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Giallo Ornamental Granite
Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)
igneous
Pink Quartzite
Quartzite (SiO2 with iron oxide inclusions)
metamorphic
Quartz (Milky/Rose Quartz variety)
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Quartz / Vein Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Serpentine
Antigorite/Lizardite (Mg, Fe)3Si2O5(OH)4
metamorphic
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)
mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Quartzite Pebble
Quartzite (predominantly Silicon Dioxide - SiO2)
metamorphic
Gneiss
Gneiss
metamorphic
Yellow Quartzite (River Pebble)
Quartzite (primarily SiO2)
metamorphic
Tiger's Eye (with Blue Tiger's Eye / Hawk's Eye)
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
metamorphic
Quartzite Cobble
Quartzite (primarily SiO2)
metamorphic
Serpentine with Quartz Vein
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4 with SiO2 veins
metamorphic
Quartzite (River-worn pebble)
Quartzite (Mainly SiO2)
metamorphic
Tiger's Eye (Brown/Gold variety)
Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)
metamorphic
Quartzite River Pebble
Quartzite (primarily SiO2)
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Dendritic Agate or Spotted Quartzite
Silicon Dioxide (SiO2) with inclusions
metamorphic
Amethyst and Ruby in Zoisite
Silicon Dioxide (SiO2) and Anyolite (Zoisite-Hornblende-Ruby mix)
mineral and metamorphic rock
Chert (Quartz Variety)
Chert (mostly SiO2 / Silicon Dioxide)
sedimentary
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)
igneous
Greenstone (Epidote/Chlorite Rich Rock)
Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
sedimentary
Jasper (Iron-stained Quartz)
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary
Banded Quartzite
Quartzite (SiO2 with impurities)
metamorphic
Gneiss
Gneiss
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral / metamorphic
Hawk's Eye (Blue Tiger's Eye)
Quartz (fibrous crocidolite variety)
Mineral
Jasper with Epidote Vein
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
sedimentary
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Aventurine
Aventurine Quartz (SiO2 with inclusions)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Agate (specifically Carnelian Agate or Lake Superior style Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Banded Agate
Agate (Cryptocrystalline Quartz, SiO2)
mineral
Quartzite (River Cobble)
Quartzite (predominantly SiO2)
metamorphic
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
mineral