Rutilated Quartz
Quartz (SiO2) with Rutile inclusions (TiO2)
Category
Browse organic (if resin) or synthetic (if glass); simulating sedimentary or metamorphic (for natural stones) specimens identified by the Rock Identifier community.
Rutilated Quartz
Quartz (SiO2) with Rutile inclusions (TiO2)
Yellow Quartzite (Onyx Pebble)
Silicon Dioxide (SiO2) - Quartzite
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Corundum (Sapphire variant)
Aluminium oxide (Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine/Lemon Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Travertine
Calcareous Tufa (CaCO3)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron inclusions - SiO2)
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2 + Fe2O3)
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)
Greenstone / Chert
Cryptocrystalline Quartz (SiO2) or Altered Basalt
Chert (often called Flint for darker varieties)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (specifically Red Chert/Jasper variety)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2) - Yellow Quartz variety
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Chert (specifically River Stone / Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline Silica (SiO2)
Chert (Jasper/Flint Pebble)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
Banded Chert (River Siltstone)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (varietal: Flint or River Pebble)
Silicon Dioxide (SiO₂)
Jasper
Jasper (SiO2 plus impurities)
Citrine Quartz
Silicon Dioxide (SiO2) - Ferric Iron impurities
Quartz in Matrix
Silicon Dioxide (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Red Jasper (Siltstone or Chert-based Jasper)
Silicon dioxide with hematite (SiO2 + Fe2O3)
Jasper and Yellow Chert (Tumbled)
Microcrystalline Quartz (SiO2)
Chert (Brecciated Chert)
Silicon Dioxide (SiO2)
Chert (White-Grey variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Iron-stained Quartzite)
Silicon Dioxide (SiO2)
Onyx (Black Onyx)
Onyx (Silicon Dioxide, SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Petrified Wood
Silicified Wood (SiO2 permineralization)