Milky Quartz Pebble
Silicon Dioxide (SiO2)
Category
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Chert/Quartzite variant)
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Quartz (Gravel fragment)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
Green Aventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite)
Aventurine (Green Aventurine)
Quartz variety (SiO2 with fuchsite inclusions)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Green Adventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusions
White Quartz
Quartz (Silicon Dioxide, SiO2)
Pale green rough mineral specimen, likely serpentine or calcite
Probable serpentine-group mineral, Mg₃Si₂O₅(OH)₄; possibly pale-green calcite, CaCO₃
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Red Tuff / Sandstone
Rhyolitic Tuff / Pyroclastic Volcanic Rock
Quartz (clear quartz/crystal quartz)
Quartz, silicon dioxide (SiO₂), trigonal crystal system
Milky quartz cluster
Quartz (silicon dioxide, SiO₂), likely druzy or microcrystalline quartz
Milky quartz (likely)
Quartz, silicon dioxide (SiO₂)
Quartz (Milky/Crystal variety)
Silicon Dioxide (SiO2)
Sandstone
Sedimentary Rock (Quartz arenite)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz (Iron-stained or Rose variant)
Silicon Dioxide (SiO2)
Quartz (Grain/Pebble)
Silicon Dioxide (SiO2)
Rose Quartz / Iron-stained Quartz
SiO2 (Silicon Dioxide)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz with Chlorite / Mica inclusions
Silicon Dioxide (SiO2) with phyllosilicate inclusions
Black Obsidian
Volcanic Glass (SiO2 with impurities)
Mahogany Obsidian
Volcanic Glass (SiO2 + Fe2O3)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)