Quartz Pebble
Silicon Dioxide (SiO2)
Category
Browse industrial by product specimens identified by the Rock Identifier community.
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Quartzite (River Pebble)
Metamorphic Quartzite (primarily SiO2)
Chert / Flint
Microcrystalline Silica (SiO2)
Quartzite pebble
Metamorphic Quartz (SiO2)
Quartzite
Quartzite (primarily SiO2)
White Quartzite
Quartzite (primarily SiO2)
Goldstone (Brown/Gold variety)
Aventurine Glass (SiO2 with Copper inclusions)
Fire Agate
Silicon Dioxide (SiO2) with layers of Limonite/Goethite
Granite
Granite (Felsic Intrusive)
Smoky Quartz (Faceted Beads)
Silicon Dioxide (SiO2)
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
Ambergris (Sea Wax)
Physeter macrocephalus fecalith
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Sunstone
Plagioclase Feldspar (specifically Oligoclase variety with hematite or goethite inclusions) Chemical Formula: (Ca,Na)(Al,Si)2Si2O8
Mother of Pearl (Nacre)
Aragonite (CaCO3) with Organic Matrix
Red Jasper (Tumbled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone (Wonderstone)
Silicified Sandstone / Orthoquartzite with Liesegang rings
Mahogany Obsidian
Volcanic Glass with Hematite inclusions (SiO2 + Fe2O3)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)
Quartzite
Quartzite (primarily SiO2)
Quartzite
SiO2 (Silicon Dioxide)
Quartzite
Quartzite (SiO2)
River Rock (likely Quartzite or Chert)
Quartzite (primarily SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartz / Quartzite
Silicon Dioxide (SiO2)
River Quartzite (or Quartz Cobble)
Quartzite (primarily Silicon Dioxide - SiO2)
Arsenopyrite
Arsenopyrite (FeAsS)
Quartzite
Quartzite (SiO2)
Quartzite Cobble
Quartzite (primarily SiO2)
Grey River Stone (Quartz-rich Quartzite/Siltstone)
Quartzite / Meta-siltstone (primarily SiO2)
Himalayan Salt (Halite)
Halite (NaCl) with trace minerals
Quartzite River Rock (with Limonite staining)
Quartzite (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
River Quartzite or Chert Pebble
Quartzite (primarily Silicon Dioxide - SiO2)
Quartzite Cobble
Quartzite (SiO2)
Lapis Lazuli
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)