Quartz Geode
Silicon Dioxide (SiO2)
mineral
Category
Man Made Glass
Browse man made glass specimens identified by the Rock Identifier community.
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Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Red Sandstone
Arenite (with Iron Oxide pigmentation)
Sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
sedimentary
Yellow Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartz / Quartzite Fragment
Silicon Dioxide (SiO2)
mineral / metamorphic
Iron-stained Milky Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Pebble)
Arenite (SiO2 based)
sedimentary
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Chert (with Limestone/Carbonate matrix)
Sedimentary cryptocrystalline silica (SiO2)
sedimentary
Amethyst and Rose Quartz Jewelry
Silicon Dioxide (SiO2)
gemstone
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz Chips
Quartz (Silicon Dioxide - SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Rose Quartz
Silicon dioxide / Quartz (SiO2)
mineral
Pegmatite / Granite with Mica
Pegmatite (Igneous Rock composed of Quartz, Feldspar, and Muscovite Mica)
igneous
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
mineral
Chert (with Manganese Dendrites)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Yellow Quartz Pebble (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
Chalcedony on Matrix
Silicon Dioxide (SiO2)
mineral