Gold Nugget
Native Gold (Au)
Category
Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.
Gold Nugget
Native Gold (Au)
Quartz Pebble (with probable inclusions or staining)
Quartz (Silicon Dioxide - SiO2)
Quartzite
Quartzite (primarily composed of SiO O₂)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Crystalline Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO₂)
River Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Rose Quartz
Pink Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartzite with inclusions
Quartzite (primarily SiO2)
Milky Quartz (with Iron Oxide staining)
Quartz (Silicon Dioxide - SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Leopard Skin Jasper
Silicon Dioxide (SiO2) with various inclusions
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
Granite (Alkali-feldspar Granite)
Felsic Plutonic Rock (Primary minerals: Quartz SiO2, Orthoclase KAlSi3O8, Plagioclase (Na,Ca)AlSi3O8)
Granite
Phaneritic plutonic felsic rock (primarily Quartz, Feldspar, and Mica)
Gneiss (specifically Micaceous Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)
Quartz (specifically Milky/Gray Quartz vein)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Chert (Jasper/Agate variety)
Cryptocrystalline Quartz (SiO2)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Iron Oxide inclusions (Fe2O3)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with trace elements (SiO2 + Ti, Fe, or Mn)
Rose Quartz (tumbled)
Rose Quartz (variety of Quartz, chemical formula SiO₂)
Quartzite
Quartzite (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz (Microcrystalline variety)
Silicon Dioxide (SiO2)
Orange Quartz
Crystalline Silicon Dioxide (SiO2) with iron oxide inclusions
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Blue Quartzite (River Pebble)
Quartzite (primarily SiO2 with Dumortierite or Crocidolite inclusions)
Beryllonite
Beryllonite (NaBePO4)
Puddingstone (Jasper-Conglomerate)
Conglomerate (Silicon Dioxide, SiO2 with impurities)
Granite with Biotite and Quartz
Phaneritic Felsic Igneous Rock (composed of SiO2, KAlSi3O8, and K(Mg,Fe)3AlSi3O10(OH)2)
Geode (Unopened)
Crystalline Quartz Geode (SiO2)