Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Category
Igneous And Metamorphic Derivative (Weathered)
Browse igneous and metamorphic derivative (weathered) specimens identified by the Rock Identifier community.
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Labradorite (Dark or Black variety)
Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Peach Moonstone (Orange/Peach Feldspar)
Potassium aluminum silicate (KAlSi3O8)
mineral
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
mineral
Tourmaline (Multi-colored)
Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Chalcopyrite in Matrix
Chalcopyrite (CuFeS2)
mineral
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
Mineral
Quartz (Common Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Common Opal mix)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
sedimentary
Moss Agate
Silicon Dioxide (SiO2) with Chlorite/Oxide inclusions
mineral
Sandstone (likely Fossiliferous Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Iron-stained)
Microcrystalline quartz (SiO2)
sedimentary
Gneiss
Gneissic Metamorphic Rock
metamorphic
Granite
Granite
igneous
Siltstone
Siltstone
sedimentary
Milky Quartz (among River Rock)
Quartz (Silicon Dioxide, SiO2)
Mineral
Quartzite and Chert
Silicon Dioxide (SiO2)
metamorphic and sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Gravel fragment)
Quartz (Silicon Dioxide, SiO2)
mineral
Chert Nodule
Microcrystalline Silica (SiO2)
sedimentary
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Mineral
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Basalt
Extrusive mafic igneous rock
igneous
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Sandstone Chert Concretion
Silica-cemented Concretion (primarily SiO2)
sedimentary