Quartz
Quartz (Silicon Dioxide - SiO2)
Category
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Mookaite Jasper
Silicified Radiolarite (SiO2)
Sandstone (specifically Red Sandstone)
Arenite (primarily Quartz, SiO2)
Pyritic Quartzite
Metequartzite with FeS2 (Pyrite) inclusions
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusion of Mica
Ferruginous Quartzite (also known as Ironstone or Gossan)
Ferruginous Quartzite with Goethite/Hematite staining
Gneiss
Gneiss
Quartz
Quartz (SiO₂)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (specifically Flint)
Microcrystalline Quartz (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Schist
Mica Schist
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Jade (Yellow Chalcedony/Quartz)
Silicon Dioxide (SiO2)
Dendritic Agate
Silicon Dioxide (SiO2) with manganese/iron inclusions
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz Cluster
Quartz (Silicon Dioxide - SiO2)
Quartz / Rock Crystal
Silicon Dioxide (SiO2)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4 in Vesicular Basalt
Green Moss Agate / Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz with Iron and Manganese inclusions
Gneiss
Gneiss
Carnelian
Carnelian (subset of Chalcedony); SiO2 with Iron Oxide impurities
Native Copper
Native Copper (Cu)
Chert (Nodule)
Crystalline Silicon Dioxide (SiO2)
Clear/White Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Gneiss (Pebble)
Gneiss
Chert (Red Jasper variant)
Microcrystalline Quartz (SiO2)
Conglomerate
Conglomerate (Clastic sedimentary rock)
Gneiss with Quartz Vein
Gneiss containing Quartz (SiO2) filler
Spinosaurus Tooth
Spinosaurus aegyptiacus (fossilized in Hydroxyapatite)
Sandstone (Micaceous Sandstone)
Arenite (SiO2 with KAl2(AlSi3O10)(OH)2 inclusions)
Riverstone Quartzite (Water-worn Siltstone/Quartzite)
Metamorphosed Quartz-rich Arenite (SiO2)