Green Aventurine
Quartz (SiO2) containing Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Category
Browse organic (if resin) or synthetic (if glass); simulating sedimentary or metamorphic (for natural stones) specimens identified by the Rock Identifier community.
Green Aventurine
Quartz (SiO2) containing Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Chert / Flint
Silicon Dioxide (SiO₂)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2)
Chert (Chert Nodule with Chalky Cortex)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Yellow Quartz (Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Arrowhead Artifact)
Chert (SiO2)
Sandstone
Arenite (primarily SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 primarily)
Chert (Field Stone)
Chert (SiO2)
Chert (Dark Variety / Flint)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Muscovite Schist
Muscovite Mica Schist (KAl2(AlSi3O10)(OH)2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine type/Tumbled Quartz)
Silicon Dioxide (SiO2)
Chert (and Flint)
Silicon dioxide (SiO2) - Microcrystalline quartz
Chert (Flint Nodules)
Silicon Dioxide (SiO2)
Chert
Silicon dioxide (SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Pink Quartzite
Metamorphosed Quartz Arenite (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (often called Flint)
Chert (Cryptocrystalline Quartz, SiO2)
Red Jasper
Silicon Dioxide (SiO₂)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (varietal Flint)
Chert (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Banded Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (with Quartz Veining)
Microcrystalline silicon dioxide (SiO2)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Chert (Flint)
Microcrystalline Quartz (SiO2)
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite
Petrified Wood
Silicified Wood (SiO2)
Pyrite
Pyrite (Iron Disulfide), FeS2