Quartzite
Quartzite (primarily SiO2)
metamorphic
Category
Metamorphic Or Sedimentary
Browse metamorphic or sedimentary specimens identified by the Rock Identifier community.
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Quartz vein in Host Rock
Crystalline Silicon Dioxide (SiO2) in Lithic Matrix
metamorphic
Quartzite Pebble
Metamorphosed Sandstone (mainly SiO2)
metamorphic
Quartzite
SiO2 (Silicon Dioxide)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite with Iron Inclusions
Metamorphosed Quartz-rich Rock (SiO2 with Fe2O3)
metamorphic
Quartzite (Ferruginous)
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Schist
Crystalline Schist (often containing Muscovite, Biotte, or Quartz)
metamorphic
Mica Schist
Muscovite/Biotite Schist
metamorphic
Sandstone (Ferruginous)
Clastic sedimentary rock (SiO2 with Fe2O3)
sedimentary
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Mudstone
Lutylite (group of fine-grained sedimentary rocks)
sedimentary
Sandstone
Arenite
sedimentary
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Moonstone
Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Citrine
SiO2 (Silicon Dioxide)
mineral
Quartz Pebble (with Iron Inclusions)
Silicon Dioxide (SiO2)
mineral
Beryl (var. Aquamarine/Blue Beryl) in Quartz Matrix
Beryllium Aluminum Silicate (Be3Al2Si6O18)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Sunstone (Feldspar)
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Schorl (Black Tourmaline)
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Sapphire (Rough)
Corundum (Al2O3)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
gemstone
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
mineral
Cream Quartz Bead
Silicon Dioxide (SiO2)
mineral
Quartz with Schorl inclusions
Silicon Dioxide (SiO2) with Sodium Iron Aluminum Borosilicate Hydroxide (Black Tourmaline)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
metamorphic
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8) with inclusions of Albite
mineral
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
mineral