Yellow Quartz (Citrine or Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Yellow Quartz (Citrine or Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Chalcedony (Agate/Quartz)
Silicon Dioxide (SiO2)
Orange Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Bull Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Druzy Quartz on Chert/Chalcedony
Silicon Dioxide (SiO2)
Rose Quartz
Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Clear Quartz
Silicon Dioxide (SiO2)
Quartz with Iron Oxide Monzonite or Sandstone contact
Quartz (SiO2) with Limonite/Hematite staining
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony (Quartz Var.)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
Quartz River Pebble
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Rose Quartz (Silicon Dioxide, SiO2)
Lepidolite Bracelet
Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2) often in Quartz matrix
Obsidian
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Picture Jasper
Silicified sedimentary or volcanic rock (primarily SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)
Red Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Jasper
Silicon dioxide (SiO2)
Agate (Chert/Chalcedony)
Silicon Dioxide (SiO2)
Banded Agate
Agate (Silicon Dioxide / SiO2)
Mahogany Obsidian
Volcanic glass containing Magnetite/Hematite
Sandstone
Clastic sedimentary rock (primarily SiO2)