Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Category
Igneous Rock (Volcanic Glass)
Browse igneous rock (volcanic glass) specimens identified by the Rock Identifier community.
Learn about Igneous Rock (Volcanic Glass) in the encyclopedia
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Granite
Granite
Igneous
Quartz (Milky / Clear Quartz Fragment)
Silicon Dioxide (SiO2)
mineral
Agate (Water-Worn)
Cryptocrystalline quartz (SiO2)
sedimentary
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
mineral
Vesicular Basalt or Hag Stone
Basalt (with vesicles) or bored Sedimentary Rock
igneous
Granodiorite Pebble
Granodiorite
igneous
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Black Obsidian
Volcanic Glass (SiO2 with impurities)
igneous
Jasper (Chert)
Silicon Dioxide (SiO2)
sedimentary
Lava Rock (Scoria)
Scoria (Basaltic Scoria)
igneous
Basalt
Basalt (mafic extrusive rock)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Diorite
Plutonic Igneous Rock (Intermediate Composition)
Igneous
Dalmatian Stone
Peralkaline rhyolite with arfvedsonite inclusions
igneous
Basalt
Basalt
igneous
Basalt (Road Aggregate)
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Peridotite (Dunite)
Peridotite (comprising mainly Olivine)
igneous
Vesicular Basalt (Lava Rock)
Scoriaceous Basalt
igneous
Scoria (Basaltic)
Vesicular Basalt
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Ferric Oxide inclusions
mineral
Petrified Wood
Silicified wood (primarily Silicon Dioxide, SiO2)
metamorphic
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Granite River Pebble
Phaneritic Felsic Igneous Rock (Granite)
igneous
Basalt River Pebble
Basalt
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Rhyolite Cross Pendant
Rhyolite (High-silica volcanic rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amygdaloidal Basalt with Quartz/Calcite Inclusions
Amygdaloidal Basalt (SiO2 / CaCO3 inclusions)
igneous
Obsidian
Obsidian (principally SiO2 silicon dioxide)
igneous
Diorite
Phaneritic Intermediate Plutonic Rock
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (with Feldspar/Mica)
Granitic Quartz / SiO2 with KAlSi3O8
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous