Yellow Quartz (Citrine/Yellow Jasper Pebble)
Silicon Dioxide (SiO2)
Category
Browse organic (if resin) or synthetic (if glass); simulating sedimentary or metamorphic (for natural stones) specimens identified by the Rock Identifier community.
Yellow Quartz (Citrine/Yellow Jasper Pebble)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Baltic Amber (Butterscotch or Egg Yolk Variety)
Fossilized Tree Resin (Succinite); Approximate formula: C10H16O
Smoky Quartz
Silicon Dioxide (SiO₂)
Blue chalcedony cabochon (probable)
Chalcedony, cryptocrystalline quartz; silicon dioxide (SiO₂)
Yellow Citrine Quartz
Silicon Dioxide (SiO₂)
Banded Chert
Silicon Dioxide (SiO2)
Chert / Flint Nodules
Cryptocrystalline Quartz (SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 with K(Al,Cr)2(AlSi3O10)(OH)2)
Yellow Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Green Aventurine
Quartzite with Fuchsite (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz (Tumbled)
Smoky Quartz (Silicon Dioxide - SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Mixed Quartz and Jasper Pebbles
Silicon Dioxide (SiO2)
Rough Green Adventurine
Aventurine (Variety of Quartz, SiO2)
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Citrine
SiO2 (Silicon Dioxide)
Mica Schist with Quartz
Mica Schist (principally Muscovite and Biotite with Quartz veins)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Aventurine
Aventurine Quartz (SiO2 with inclusions)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions, SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Blue Quartz
Silicon Dioxide (SiO2)
Chert (Banded)
Microcrystalline Quartz (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuscite inclusions
Water and Silt (Sedimentary Environment)
Suspended Sediment / H2O (dihydrogen monoxide)
River Quartzite (River Stone)
Quartzite (primarily SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Tumbled Jasper and Tiger's Eye
Silicon Dioxide (SiO2) with iron oxide inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Dyed Tumbled Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Citrine
Quartz (Silicon Dioxide - SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Brown Pebble (Probable Chert or Siltstone)
Silicon Dioxide (SiO2) / Sedimentary Microcrystalline Quartz
Quartzite Pebble
Metamorphic Quartzite (SiO2)
Peach Aventurine
Quartz variety (SiO2 + Hematite/Goethite inclusions)