Orange Quartz
Silicon Dioxide (SiO2) with Hematite inclusions
Category
Browse organic (if resin) or synthetic (if glass); simulating sedimentary or metamorphic (for natural stones) specimens identified by the Rock Identifier community.
Orange Quartz
Silicon Dioxide (SiO2) with Hematite inclusions
Asphalt
Asphalt concrete
Carnelian Agate
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Smoky Quartz
Quartz (Silicon Dioxide), Formula: SiO2
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Sandstone (Weathered Coastal Boulder)
Arenite (composed primarily of SiO2)
Chert (Jasper variety)
Silicon dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)
Coarse Sand or Fine Gravel
Detrital Sedimentary Fragments (mostly SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Almandine Garnet & Tumbled Citrine Quartz
Fe3Al2(SiO4)3 (Garnet) and SiO2 (Quartz)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Quartz (Smoky Quartz / Calcite)
SiO2 (Silicon Dioxide)
Citrine
SiO2 (Silicon Dioxide)
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
Chert Pebble
Cryptocrystalline Quartz (SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Quartz (Smoky/Milky)
Silicon Dioxide (SiO2)
Green Aventurine (Double-Terminated Wand)
Silicon Dioxide (SiO2) containing Fuchsite (Chromium-rich Muscovite Mica)
Jasper or Agate (Chalcedony)
Silicon Dioxide (SiO2) with impurities
Chert (Jasper)
Silicon Dioxide (SiO2)
Chalcedony (River Pebble)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Green Aventurine (Fuchsite-bearing Quartzite)
Silicon Dioxide (SiO2) with Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Brown Jasper / Chert Pebbles
Microcrystalline Quartz (SiO2) with iron oxide impurities
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Citrine Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Chert (Jasper/Flint)
Microcrystalline Quartz (SiO2)
Yellow Quartz (possibly dyed)
Silicon Dioxide (SiO2)
Aventurine
Quartz with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Chert (Jasper/Flint variety)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)