Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Orbicular Jasper (Ocean Jasper variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chalcedony (Blue/Grey Lace Agate)
Silicon Dioxide (SiO2)
Agate (Carnelian-like)
Chalcedony (Silicon Dioxide, SiO2)
Chalcedony (Agate/Carnelian)
Cryptocrystalline Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Druzy Quartz on Chert/Siltstone
Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Magnetite / Iron Ore
Magnetite (Fe3O4)
Kyanite
Kyanite (Al2SiO5)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Banded Calcite (Mexican Onyx)
Calcite (CaCO3)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Green Jasper
Jasper (Silicon Dioxide, SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Mica Schist
Schist (Muscovite/Biotite Schist)
Quartz Mica Schist
Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)
Clear Quartz Fragment
Quartz (Silicon Dioxide, SiO2)
Chert (Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Mica Schist
Muscovite Schist (KAl2(AlSi3O10)(OH)2)
Quartz
Silicon Dioxide (SiO2)
Fossilized Shark Tooth
Carcharodon carcharias (fossilized) / Hydroxyapatite permineralized with silica or iron
Agate (Chert/Chalcedony)
Silicon Dioxide (SiO2)
Chalcedony Geode Fragment
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Blue Chalcedony
Chalcedony (SiO2)
Amber
Succinite
Quartz / Quartzite
Silicon Dioxide (SiO2)
Limonite (Ironstone)
Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)
Red Quartzite
Quartzite (SiO2)
Chert (Jasper-like)
SiO2 (Cryptocrystalline Quartz)
Dalmatian Jasper
Dalmatian Stone (comprised of Feldspar, Quartz, and Arfvedsonite)
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
Wonderstone
Rhyolite (Silicon Dioxide with Iron Oxide impurities)
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz Geode
Silicon Dioxide (SiO2)