Quartz Geode/Cluster
Quartz (SiO2)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Quartz Geode/Cluster
Quartz (SiO2)
Quartz (Milky or Druzy variety)
Silicon Dioxide (SiO2)
Agate
SiO2
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
Amethyst
SiO2 (Silicon Dioxide)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Agate
Agate (Chalcedony), SiO2
Yellow Jasper
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Feldspar (Orthoclase / Alkali Feldspar)
KAlSi3O8 (Potassium Feldspar / Orthoclase)
Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Rose Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Jade (likely Jadeite or Nephrite)
Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper River Pebble
Silicon Dioxide (SiO2) with iron oxide impurities
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
Quartz (Gray/Smoky Variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Microcrystalline Quartz, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Quartz (Milky or Grainy Variety)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Jasper
Silicon dioxide (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert (variations include Flint/Jasper)
Chert (Silicon Dioxide, SiO2)
Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Fe2O3 (Hematite) impurities
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Geode (Unopened)
Quartz/Chalcedony concretion
Beads (likely glass or man-made material)
N/A (artificial material)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Jasper
Silicon dioxide (SiO2)
Quartz
Quartz (SiO₂)
Rose Quartz
Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)