Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Category
Mineraloid (Man Made Origin)
Browse mineraloid (man made origin) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
metamorphic
Tiger's Eye (Golden)
Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)
mineral
Turquenite (Dyed Howlite)
Dyed Ca2B5SiO9(OH)5 (Calcium Borosilicate Hydroxide)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Chert Breccia (Yellow Jasper)
Silicon Dioxide (SiO2) - Brecciated Chert
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Quartz / Quartzite
Silicon Dioxide (SiO2)
metamorphic
Banded Sandstone (Wonderstone)
Sandstone with Liesegang Rings (SiO2 with Iron Oxides)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Metamorphic Rock (Mainly SiO2)
metamorphic
Tiger's Eye (likely Hawk's Eye variant)
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Petrified Wood
Silicified wood (Quartz/Chalcedony replacement) SiO2
sedimentary
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Yellow Quartzite
Metamorphosed Quartz (SiO2)
metamorphic
Quartzite (River Cobble)
Quartzite (mostly SiO2)
metamorphic
Petrified Wood
Silicified wood (Quartz/Chalcedony/SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
Metamorphic
Granite (Alkali-feldspar Granite)
Felsic Plutonic Rock (Primary minerals: Quartz SiO2, Orthoclase KAlSi3O8, Plagioclase (Na,Ca)AlSi3O8)
igneous
Basalt with Plagioclase Phenocrysts
Porphyritic Basalt
igneous
Pink Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Granite (with Orthoclase and Quartz)
Phaneritic Felsic Igneous Rock (KAlSi3O8 + SiO2)
igneous
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
mineral
Olivine Basalt
Mafic Volcanic Rock (rich in (Mg, Fe)2SiO4)
igneous
Greenstone
Greenschist-facies basaltic rock
metamorphic
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Greywacke
Greywacke (Lithofeldspathic Sandstone)
sedimentary
Smoky Quartz Geode
Silicon Dioxide (SiO2)
mineral
Scoria (Lava Rock)
Scoria
igneous
Basaltic Tuff / Volcanic Breccia
Pyroclastic Breccia / Lithic Tuff
igneous
Agate (Carnelian-Blue Agate mix)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Limonite with Quartz
FeO(OH)·nH2O (Limonite) with SiO2 (Quartz)
mineral
Granodiorite
Granodiorite (containing Plagioclase, Quartz, and Biotite)
igneous
Granitic Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Granite
Phaneritic Plutonic Felsic Rock
igneous
Granite (Fine-grained)
Phaneritic Felsic Igneous Rock
igneous