Quartzite Cobble
Meta-quartzite
metamorphic
Category
Metamorphic Rock (Variety Of Quartz)
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Variety Of Quartz) in the encyclopedia
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Serpentine
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Dendritic Agate or Spotted Quartzite
Silicon Dioxide (SiO2) with inclusions
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Agate (specifically Carnelian Agate or Lake Superior style Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartz (Citrine)
Silicon Dioxide (SiO2)
mineral
Serpentine
Antigorite/Lizardite (Mg, Fe)3Si2O5(OH)4
metamorphic
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
sedimentary (chemical/biological)
River Pebbles (Mixed Lithology)
Conglomerate clasts (Silica-rich and Metamorphic assemblages)
sedimentary
Quartzite (Water-worn Cobble)
Quartzite (Composition: 90%+ SiO2)
metamorphic
Riverstone (Quartzite or Siltstone cobble)
Quartzite (primarily SiO2)
metamorphic
Agate (Grey Agate Slice)
Microcrystalline Quartz (SiO2)
mineral
Conglomerate
Conglomerate rock
sedimentary
Muscovite on Quartz (Mica host rock)
KAl2(AlSi3O10)(OH)2 (Muscovite) in SiO2 (Quartz)
igneous/metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite River Rock
Quartzite (SiO2)
metamorphic
Quartzite Pebble (River Rock)
Quartzite (mainly SiO2)
metamorphic
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Mineral
Stiped Slate Beach Pebble
Low-grade Metamorphic Slate with Quartz Vein (SiO2 on Phyllosilicate base)
metamorphic
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Emerald with Matrix (Emerald in Mica Schist)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Yellow Quartzite River Stone
Quartzite (SiO2)
metamorphic
Yellow Quartzite (River Pebble)
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite and Quartz)
metamorphic
Red Quartzite River Stone
Metamorphic Rock (composed mainly of Quartz, SiO2)
metamorphic
Garnetiferous Quartzite (Garnet Gneiss Pebble)
Garnet-bearing Quartzite or Quartz-Feldspar Gneiss
metamorphic
Unakite
Unakite (Epidote-Feldspar rock)
Metamorphic rock
Quartz
Silicon Dioxide (SiO2)
Mineral
Zebra Jasper
Silicon Dioxide (SiO2) with various inclusions
metamorphic/sedimentary
Chert Pebble
Chert (composed primarily of Microcrystalline Quartz, SiO2)
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic