Mixed Tumbled Gemstones and River Rocks
Mixed Decorative Stones (predominantly Silicon Dioxide - SiO2 variants)
Mixed (Igneous, Sedimentary, Metamorphic, and Minerals)
Category
Igneous, Metamorphic, Sedimentary
Browse igneous, metamorphic, sedimentary specimens identified by the Rock Identifier community.
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Quartz (likely a clear or rock crystal variety)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Quartz (various varieties)
SiO₂ (Silicon Dioxide)
Mineral
Tumbled Amethyst
Quartz (Silicon Dioxide, SiO2)
gemstone
Labradorite
(Ca,Na)(Al,Si)4O8
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
Black Sapphire
Corundum (Al2O3)
gemstone
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Ruby and Sapphire Cluster Ring
Corundum (Al2O3)
gemstone
Green Aventurine
Quartz (SiO2) with inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
K2 Jasper (K2 Stone)
Azurite in Granite / Quartzite
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Iron Oxide Inclusions
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Mixed Mineral Collection (with Titanium Aura Quartz)
Silicon Dioxide (SiO2) with metallic coatings and various silicates
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
gemstone
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Citrine or Yellow Quartz
Quartz (SiO2) with iron impurities
mineral
Blue Zircon
Zircon (Zirconium Silicate), ZrSiO4
gemstone
Gold
Native gold (Au)
mineral
Beryl (likely Aquamarine)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Citrine
Silicon Dioxide (SiO2) with iron impurities
gemstone
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Sodalite
Sodalite Na8(Al6Si6O24)Cl2
mineral
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Corundum (Sapphire and Ruby)
Aluminum Oxide (Al2O3)
mineral