Quartzite River Rock
Metamorphosed Sandstone (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Quartzite River Rock
Metamorphosed Sandstone (SiO2)
Quartzite Arrowhead
Quartzite (SiO2 silicon dioxide)
Pyrite
Iron Disulfide (FeS2)
Quartzite pebble
Quartzite (SiO2)
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
Quartz Vein in Gneiss or Basalt
Milky Quartz (SiO2) within Metamorphic Host Rock
Dalmatian Stone
Peralkaline Quartz-Feldspar Rock
Quartzite Pebble
Quartzite (SiO2)
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz (Common Quartz)
Quartz (Silicon Dioxide, SiO2)
Quartzite
Quartzite (SiO2)
Red Quartzite
Quartzite (primarily SiO2 with hematite impurities)
Quartzite Pebble
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony / Quartz Variety
Quartzite
Quartzite (primarily SiO2)
Chert (Limonite-stained)
Microcrystalline Quartz (SiO2) with iron oxides
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety, likely a orthogneiss or paragneiss depending on parent rock)
Banded Agate (Yellow Agate)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Carnelian (Orange Agate)
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartz with Chalcopyrite and Pyrite
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
Quartz (Iron-Stained or Milky Quartz)
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphic Quartzite (primarily SiO2)
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Serpentine (Serpentinite)
Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Quartzite with Quartz Geode / Vug
Crystalline Silicon Dioxide (SiO2) in Metamorphic Host
Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Metamorphic Quartzite (SiO2)
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Quartz (SiO₂ - Silicon Dioxide)